# Hyundai Sonata 2015–2017 Problems & Engine Recall Guide

Canonical: https://carcasefile.com/vehicles/hyundai-sonata-2015-2017/

> Hyundai Sonata 2015–2017: the Theta II engine failure and lifetime warranty explained, oil consumption, Eco DCT judder, real repair costs, and which year to buy.

Case file · HYUNDAI-SONATA-2015-2017 · 7th gen (pre-facelift) (LF)

# Hyundai Sonata 2015–2017 Common problems, reliability & repair costs

The LF Sonata is a roomy, well-equipped midsize sedan sold under the shadow of Hyundai's Theta II engine saga. The 2.4L and 2.0T engines in these years are covered by a class-action settlement with a lifetime short-block warranty, which turns the scariest problem on the spec sheet into a manageable one, if the paperwork and software updates are in order. The 1.6T Eco's dual-clutch gearbox and a quart-a-thousand-miles oil habit on some 2.4s are the other files to read before you buy.

[Shop Hyundai Sonata parts on Amazon →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2BSonata%2Bparts) Verified part numbers below Affiliate link to Amazon. We may earn a commission if you buy. Your price is the same, and a commission never changes a verdict.

Case data plate HYUNDAI-SONATA-2015-2017

Case score
5/10

Best years

2017

Avoid

2015 (highest complaint volume of the three years; earliest +2 more

Status
Reviewed
Amended 2026-10-07

[How we score →](https://carcasefile.com/methodology/)

Exhibit A · Hyundai Sonata Ki hoon · [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0) · [Wikimedia](https://commons.wikimedia.org/wiki/File:2017_hyundai_sonata_front-side_(2%29.png)

Case verdict At a glance

Case score
5/10

Best years

2017

Years to avoid

2015 (highest complaint volume of the three years; earliest +2 more

Worst system

engine

#1 problem

**Theta II engine bearing failure: knock, stall, seizure (2.4 GDI / 2.0T)** · $4,500–$7,500 at an independent shop · typically around 60k–150k mi

Companion pages for this car generation:

📄 Dossier Overview Active Page [📋 Inspection Checklist Field Guide ->](https://carcasefile.com/vehicles/hyundai-sonata-2015-2017/checklist/) [💰 Maintenance Costs 5-Year Ledger ->](https://carcasefile.com/vehicles/hyundai-sonata-2015-2017/cost-to-maintain/) [🩺 Audit a Quote Estimate Case File ->](https://carcasefile.com/estimate-doctor/?vehicle=Hyundai%20Sonata)

## Engines

- **Theta II 2.4 GDI (G4KJ)** · 2.4L gasoline, 185 hp
- **Theta II 2.0T GDI (G4KH)** · 2.0L turbo gasoline, 245 hp
- **Gamma 1.6 T-GDI (G4FJ)** · 1.6L turbo gasoline, 178 hp
- **Nu 2.0 GDI hybrid** · 2.0L hybrid, 193 hp

## Transmissions

- **A6MF/A6LF**· automatic, 6-speed
- **D7UF1**· dct, 7-speed

## Drivetrain

FWD

## Body

sedan

## Trims

SE, Eco, Sport, Limited, Sport 2.0T, Limited 2.0T, Hybrid SE, Hybrid Limited, Plug-in Hybrid

Parts desk

## Hyundai Sonata part-number cross-reference

Start from the OEM number, then pick the brand you trust. Verified equivalents for the Hyundai Sonata (2015–2017).

Part links go to Amazon, and to eBay where Amazon does not stock the part.
Affiliate links, so we may earn a commission if you buy. Your price is
unchanged, and a commission never changes a verdict.

### Oil filter

All engines: 2.4L Theta II (G4KJ), 2.0T Theta II (G4KH), 1.6T Gamma (G4FJ), 2.0 Nu hybrid
swipe →

OEM part
Hyundai
[Find Hyundai oil filter on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB08D414DZ1)

Cross-ref Verified fit · 07.26

Hyundai

Prior revision the -35505 supersedes; interchangeable. A few catalogs still list -35504 for the 2017 SE, but the -35505 is the current part.
[Look up Hyundai oil filter](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB01EMA3XVG)

Cross-ref Verified fit · 07.26

Fram

Extra Guard; XG9688 is the synthetic Ultra version, TG9688 the Tough Guard
[Check Fram oil filter](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DFram%2BPH9688)

Cross-ref Verified fit · 07.26

Wix
[See Wix oil filter](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB000C9Y16S)

Cross-ref Verified fit · 07.26

Purolator

PureONE / Boss
[Compare Purolator oil filter](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB000E8T80Q)

Cross-ref Verified fit · 07.26

Bosch
[Find Bosch oil filter](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB000BZGKCG)

Verified via: [Parts Hyundai OEM listing 26300-35505 (Sonata fitment, current spin-on)](https://www.partshyundai.com/oem-parts/hyundai-oil-filter-2630035505), [FindItParts Hyundai 26300-35504 + cross-reference (aftermarket equivalents)](https://www.finditparts.com/products/13057021/hyundai-26300-35504), [Fram part finder: 2016 Sonata 2.4L returns PH9688, XG9688, TG9688 and FE9688, which names both numbers above. Verified for the 2.4L only, not the 2.0T, 1.6T or hybrid](https://www.fram.com/partFinder/search/index?year=2016&make=3&model=21&engine=2062&car-type=2)

### Engine air filter

2.4L Theta II (G4KJ) naturally aspirated and 2.0 Nu hybrid
swipe →

OEM part
Hyundai
[Look up Hyundai engine air filter on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB0184XA0UE)

Cross-ref Verified fit · 07.26

Hyundai

Revised/service number cross-listed for the 2.4L; also shown for Kia Optima 2.4
[Check Hyundai engine air filter](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B28113-C3100)

Verified via: [HyundaiPartsDeal - 2016 Sonata Hybrid air filter = 28113-C1100](https://www.hyundaipartsdeal.com/oem-2016-hyundai-sonata_hybrid-air_filter.html), [Amazon - Genuine OEM Hyundai Air Filter 28113-C1100](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2FGenuine-OEM-Hyundai-Filter-28113-C1100%2Fdp%2FB0184XA0UE&raw=1)

### Engine air filter

Turbo engines: 1.6T Gamma (G4FJ) Eco and 2.0T Theta II (G4KH) Sport/Limited
swipe →

OEM part
Hyundai
[See Hyundai engine air filter on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B28113-C1500)

Cross-ref Verified fit · 07.26

Hyundai

Sub-assembly / service-pack variant of the same element
[Compare Hyundai engine air filter](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B28113-C1500-AS)

Verified via: [Amazon - Genuine OEM 28113-C1500 (Sonata Eco 1.6 & 2.0T 2015-19, Kia Optima 1.6 & 2.0T)](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2FGenuine-28113-C1500-compatible-Hyundai-2015-19%2Fdp%2FB0FMHR48FD&raw=1), [OEM Parts Online - 2015-2019 Sonata Engine Air Filter 28113-C1500](https://hyundai.oempartsonline.com/oem-parts/hyundai-engine-air-filter-28113c1500)

### Cabin air filter

Non-hybrid: 2.4L, 2.0T, 1.6T
swipe →

OEM part
Hyundai
[Find Hyundai cabin air filter on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B97133-C2000)

Cross-ref Verified fit · 07.26

Hyundai

Listed as the interchangeable OE number for the non-hybrid (OE cross C2H79-AP000)
[Look up Hyundai cabin air filter](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B97133-C1000)

Cross-ref Verified fit · 07.26

Marvel

Aftermarket equivalent; many brands use the CF12151 designation for this filter
[Check Marvel cabin air filter](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DMarvel%2BMRC2169)

Verified via: [Walmart / RareElectrical - cabin filter fits Sonata 2015-2017, 97133-C2000 / C2H79-AP000](https://www.walmart.com/ip/New-Cabin-Air-Filter-Fits-Hyundai-Sonata-2015-2016-2017-97133-C2000-C2H79Ap000/189995133), [Amazon (CARORY) - 97133-C2000 explicitly for NON-hybrid Sonata gas 2015-2019 (OE# C2000, C2H79-AP000, C1000)](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2FActivated-Non-Hybrid-97133-C2000-C2H79-AP000-97133-C1000%2Fdp%2FB0G64T45YF&raw=1)

### Cabin air filter

2.0 Nu hybrid / plug-in hybrid (2016-2017)
swipe →

OEM part
Hyundai
[See Hyundai cabin air filter on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B97133-C1010)

Verified via: [OEM Parts Online - 2016-2019 Sonata Cabin Air Filter 97133-C1010 (hybrid)](https://hyundai.oempartsonline.com/oem-parts/hyundai-cabin-air-filter-97133c1010), [Hyundai OEM Parts Direct - 97133-C1010 Sonata cabin filter](https://www.hyundaioempartsdirect.com/oem-parts/hyundai-cabin-air-filter-97133c1010)

### Spark plugs

2.4L Theta II GDI (G4KJ)
swipe →

OEM part
Hyundai
[Compare Hyundai spark plugs on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B18849-11070)

Cross-ref Verified fit · 07.26

NGK

Laser Iridium, gap ~1.1mm (0.043-0.044 in). Heat range 7 (hotter than the turbo plugs)
[Find NGK spark plugs](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB078H8KZZL)

Verified via: [PlugSpecs - Sonata 2.4L: NGK SILZKR7E11, gap .043 in (1.1mm)](https://plugspecs.com/hyundai-sonata-spark-plugs/), [Amazon - NGK Laser Iridium for Hyundai Sonata 2.4L 2015-2019](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2FIridium-compatible-Hyundai-Sonata-2015-2019%2Fdp%2FB0D1LJH5QT&raw=1)

### Spark plugs

2.0T Theta II GDI (G4KH) Sport/Limited
swipe →

OEM part
Hyundai
[Look up Hyundai spark plugs on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B18849-09085)

Cross-ref Verified fit · 07.26

NGK

Colder heat range 8 for the turbo; gap ~0.9mm. Older Hyundai rev was 18849-09075 (SILZKR7E9G)
[Check NGK spark plugs](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DNGK%2BSILZKR8E9)

Cross-ref Verified fit · 07.26

Denso

Iridium Long Life equivalent, heat range 8
[See Denso spark plugs](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB00TTAVL1Y)

Verified via: [Hyundai Forums - 2.0T plugs: NGK SILZKR8E9 = Hyundai 18849-09085, 0.9mm gap](https://www.hyundai-forums.com/threads/2-0t-spark-plugs.645615/), [PlugSpecs - Sonata 2.0L: Denso ZXU20HCR8, gap .031 in (0.8mm), heat range 8](https://plugspecs.com/hyundai-sonata-spark-plugs/)

### Spark plugs

1.6T Gamma T-GDI (G4FJ) Eco
swipe →

OEM part
Hyundai
[Compare Hyundai spark plugs on Amazon, 1.6T](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B18849-08080)

Cross-ref Verified fit · 07.26

NGK

Dealer-spec turbo plug, heat range 8, gap ~0.8mm. Earlier rev 18849-08072 (shared with Veloster 1.6T)
[Find NGK spark plugs, 1.6T](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DNGK%2BSILZKR8E8G)

Cross-ref Verified fit · 07.26

Denso

Iridium Long Life equivalent, heat range 8, 0.8mm
[Look up Denso spark plugs](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB00TTAVL1Y)

Verified via: [Hyundai Forums - 2017 Sonata 1.6T spark plugs (NGK SILZKR8-series / 18849-080xx)](https://www.hyundai-forums.com/threads/2017-1-6t-spark-plugs.656191/), [PlugSpecs - Sonata 1.6L: Denso ZXU20HCR8, gap .031 in (0.8mm), heat range 8](https://plugspecs.com/hyundai-sonata-spark-plugs/)

### Front brake pads

Base non-hybrid (2.4L SE/1.6T Eco) with the standard smaller front rotor (16-in wheels)
swipe →

OEM part
Hyundai
[Check Hyundai front brake pads on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B58101-C2A10)

Verified via: [OEM Parts Online - 2015-2017 Sonata Front Brake Pads 58101-C2A10](https://hyundai.oempartsonline.com/oem-parts/hyundai-brake-pads-front-58101c2a10), [Hyundai OEM Parts Direct - 58101-C2A10 (2015-2017 Sonata)](https://www.hyundaioempartsdirect.com/oem-parts/hyundai-brake-pads-58101c2a10)

### Front brake pads

Non-hybrid with the larger front rotor (Sport / 2.0T, 17-in wheels)
swipe →

OEM part
Hyundai
[See Hyundai front brake pads on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B58101-C2A20)

Verified via: [OEM Parts Online - 2015-2017 Sonata Front Brake Pads 58101-C2A20 (larger rotor)](https://hyundai.oempartsonline.com/oem-parts/hyundai-brake-pads-front-58101c2a20), [Hyundai OEM Parts Direct - 58101-C2A20 (2015-2017 Sonata)](https://www.hyundaioempartsdirect.com/oem-parts/hyundai-brake-pads-front-58101c2a20)

### Front brake pads

2.0 Nu hybrid / plug-in hybrid
swipe →

OEM part
Hyundai
[Compare Hyundai front brake pads on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B58101-E6A10)

Verified via: [OEM Parts Online - 2016-2019 Sonata Front Brake Pads 58101-E6A10 (hybrid)](https://hyundai.oempartsonline.com/oem-parts/hyundai-brake-pads-front-58101e6a10), [HyundaiPartsDeal - 58101-E6A10 genuine front disc brake pad kit](https://www.hyundaipartsdeal.com/genuine/hyundai-pad-kit-front-disc-brake~58101-e6a10.html)

### Wiper blades

All trims (sedan)
swipe →

OEM part
Hyundai
[Find Hyundai wiper blades on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B26%2Bin%2Bdriver%2B%252F%2B18%2Bin%2Bpassenger)

Cross-ref Verified fit · 07.26

Trico

Beam-blade set in the correct sizes
[Look up Trico wiper blades](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DTrico%2B26%2Bin%2B%252B%2B18%2Bin%2Bset)

Cross-ref Verified fit · 07.26

Bosch

Bosch Icon sizing convention (inches + A)
[Check Bosch wiper blades](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DBosch%2BIcon%2B26A%2B%252B%2B18A)

Cross-ref Verified fit · 07.26

Rain-X

Latitude beam blades
[See Rain-X wiper blades](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DRain-X%2B26%2Bin%2B%252B%2B18%2Bin)

Verified via: [WindshieldWipers.com - 2016 Sonata blades 26 in and 18 in](https://windshieldwipers.com/products/2016-hyundai-sonata-windshield-wiper-blades-26-18), [WiperSizeChart - 2016 Hyundai Sonata wiper sizes](https://www.wipersizechart.com/make/hyundai/sonata/2016)

### Serpentine (drive) belt

2.4L Theta II (G4KJ)
swipe →

OEM part
Hyundai
[Compare Hyundai serpentine on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB00EPC66ZC)

Verified via: [Hyundai OEM Parts Direct - 25212-2G760 (2011-2016 Sonata 2.4L)](https://www.hyundaioempartsdirect.com/oem-parts/hyundai-serpentine-belt-252122g760), [Parts Hyundai - 25212-2G760 fits 2011-2016 Hyundai](https://www.partshyundai.com/oem-parts/hyundai-serpentine-belt-252122g760)

### Serpentine (drive) belt

2.0T Theta II (G4KH)
swipe →

OEM part
Hyundai
[Find Hyundai serpentine on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B25212-2GGA1)

Verified via: [OEM Parts Online - 25212-2GGA1 (2015-2021, Sonata 2.0L Turbo)](https://hyundai.oempartsonline.com/oem-parts/hyundai-serpentine-belt-252122gga1), [Amazon - Genuine OEM 25212-2GGA1 (Sonata 15-19, Santa Fe/Tucson/Optima 2.0)](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2FGenuine-25212-2GGA1-RIBBED-252122GGA1-HYUNDAI%2Fdp%2FB08LH5NRSD&raw=1)

### Serpentine (drive) belt

1.6T Gamma T-GDI (G4FJ) Eco
swipe →

OEM part
Hyundai
[Look up Hyundai serpentine on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B25212-2B720)

Verified via: [Parts Hyundai - 25212-2B720 (Gamma 1.6, fits 2013-2023 Hyundai)](https://www.partshyundai.com/oem-parts/hyundai-serpentine-belt-252122b720), [Amazon - 25212-2B720 serpentine belt, Sonata 2015-2019 1.6L (Veloster/Elantra/Kia)](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2F25212-2B720-Serpentine-2013-2017-2017-2020-252122B720%2Fdp%2FB0GD7BV89G&raw=1)

### Battery (12V)

Non-hybrid: 2.4L, 2.0T, 1.6T
swipe →

OEM part
BCI group
[Check BCI group battery on Amazon](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DBCI%2Bgroup%2BGroup%2B48%2B%2528H6%2529)

Cross-ref Verified fit · 07.26

BCI group

Larger alternate fitment (~850 CCA / 80Ah) listed for some trims/engines; shares the tray footprint with Group 48. Verify against the installed battery.
[See BCI group battery](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DBCI%2Bgroup%2BGroup%2B94R%2B%2528H7%2529)

Cross-ref Verified fit · 07.26

Interstate

AGM, ~760 CCA / 70Ah
[Compare Interstate battery](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DInterstate%2BMTX-48%252FH6)

Cross-ref Verified fit · 07.26

Interstate

AGM, ~850 CCA / 80Ah (upsize)
[Find Interstate battery](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DInterstate%2BMTX-94R%252FH7)

Verified via: [Interstate Batteries - MTX-48/H6 fitment for 2016 Sonata gas](https://www.interstatebatteries.com/products/mtx-48/h6/2016-hyundai-sonata-l420l-gas), [Hyundai Forums - Sonata battery replacement Group 48 / H6](https://www.hyundai-forums.com/threads/battery-replacement-group-48-h6.652367/)

Amazon and eBay affiliate links. Prices unchanged for you. Confirm fitment against your VIN; mid-generation changes exist.

Verdict

## Should I buy a 2015–2017 Hyundai Sonata?

Buy it with the file open. A 2015–2017 Sonata 2.4 or 2.0T is one of the cheapest ways into a spacious, safe midsize sedan, because the Theta II reputation crushed resale. The engine risk is real but uniquely well-covered: the class-action settlement gives these cars a lifetime warranty on the short block, so the play is to verify by VIN that the KSDS software campaign (953) is done, the recalls are closed, and any past engine work was documented at a Hyundai dealer. Walk away from any 2.4 that's a quart low with no leak, and skip the Eco unless you've test-driven the dual-clutch in stop-and-go traffic and can live with it. A 2017 with records is the pick.

Best years

2017

Years to avoid

2015 (highest complaint volume of the three years; earliest build), Eco 1.6T (any year) unless you accept the dual-clutch behavior, Any 2.4/2.0T with unexplained oil loss or an open engine campaign

Inspection Companion

### Pre-Purchase Checklist for Hyundai Sonata

[Open Field Checklist Page ->](https://carcasefile.com/vehicles/hyundai-sonata-2015-2017/checklist/)

- ☐ Run the VIN at a Hyundai dealer (or hyundaiusa.com/recalls): confirm Campaign 953 (KSDS knock-sensor software) is completed and no engine recall or campaign is open.
- ☐ Check the oil level and condition on the dipstick cold, then ask directly how much oil it uses between changes. A 2.4 that's a quart or more low with no visible leak is the oil-consumption pattern. Walk or price it in.
- ☐ Cold-start the engine and listen for a rod-bearing knock (a deep rhythmic knock from the bottom end). Any knock on a Theta II is a stop-the-deal finding until inspected.
- ☐ On an Eco, drive it in stop-and-go traffic: creep, roll into throttle from 5 mph, do a few uphill starts. Judder, hesitation, or a rubber-band launch is the known DCT behavior. Decide if you can live with it before you buy.
- ☐ If it has the panoramic sunroof, verify recall 152 (wind-deflector anchor plate) was performed and inspect the glass and surround for prior separation or resealing.
- ☐ With the passenger seat empty, check the airbag status light; then sit a passenger in it and confirm the light switches correctly. A flashing seat-belt light with an empty seat points to the occupant-sensor mat failure.
- ☐ Confirm the ABS software recall (134) and the 2015 front passenger seat-belt buckle recall (130) show closed on the VIN report.
- ☐ Get service records showing oil changes at 5,000-mile intervals or better. The Theta II punishes long oil-change intervals harder than most engines.

Verified-fit parts for the Hyundai Sonata (2015–2017).

Parts desk

Parts cross-reference

OEM number first, verified equivalents below it. Links go to Amazon.

Oil filter

All engines: 2.4L Theta II (G4KJ), 2.0T Theta II (G4KH), 1.6T Gamma (G4FJ), 2.0 Nu hybrid

- [OEM Hyundai 26300-35505 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB08D414DZ1)
- [Hyundai 26300-35504 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB01EMA3XVG)
- [Fram PH9688 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DFram%2BPH9688)
- [Wix 51334 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB000C9Y16S)
- [Purolator PL14459 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB000E8T80Q)
- [Bosch 3312 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB000BZGKCG)

Engine air filter

2.4L Theta II (G4KJ) naturally aspirated and 2.0 Nu hybrid

- [OEM Hyundai 28113-C1100 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB0184XA0UE)
- [Hyundai 28113-C3100 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B28113-C3100)

Engine air filter

Turbo engines: 1.6T Gamma (G4FJ) Eco and 2.0T Theta II (G4KH) Sport/Limited

- [OEM Hyundai 28113-C1500 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B28113-C1500)
- [Hyundai 28113-C1500-AS →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B28113-C1500-AS)

Cabin air filter

Non-hybrid: 2.4L, 2.0T, 1.6T

- [OEM Hyundai 97133-C2000 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B97133-C2000)
- [Hyundai 97133-C1000 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B97133-C1000)
- [Marvel MRC2169 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DMarvel%2BMRC2169)

Cabin air filter

2.0 Nu hybrid / plug-in hybrid (2016-2017)

- [OEM Hyundai 97133-C1010 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B97133-C1010)

Spark plugs

2.4L Theta II GDI (G4KJ)

- [OEM Hyundai 18849-11070 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B18849-11070)
- [NGK SILZKR7E11 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB078H8KZZL)

Spark plugs

2.0T Theta II GDI (G4KH) Sport/Limited

- [OEM Hyundai 18849-09085 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B18849-09085)
- [NGK SILZKR8E9 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DNGK%2BSILZKR8E9)
- [Denso ZXU20HCR8 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB00TTAVL1Y)

Spark plugs

1.6T Gamma T-GDI (G4FJ) Eco

- [OEM Hyundai 18849-08080 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B18849-08080)
- [NGK SILZKR8E8G →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DNGK%2BSILZKR8E8G)
- [Denso ZXU20HCR8 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB00TTAVL1Y)

Front brake pads

Base non-hybrid (2.4L SE/1.6T Eco) with the standard smaller front rotor (16-in wheels)

- [OEM Hyundai 58101-C2A10 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B58101-C2A10)

Front brake pads

Non-hybrid with the larger front rotor (Sport / 2.0T, 17-in wheels)

- [OEM Hyundai 58101-C2A20 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B58101-C2A20)

Front brake pads

2.0 Nu hybrid / plug-in hybrid

- [OEM Hyundai 58101-E6A10 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B58101-E6A10)

Wiper blades

All trims (sedan)

- [OEM Hyundai 26 in driver / 18 in passenger →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B26%2Bin%2Bdriver%2B%252F%2B18%2Bin%2Bpassenger)
- [Trico 26 in + 18 in set →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DTrico%2B26%2Bin%2B%252B%2B18%2Bin%2Bset)
- [Bosch Icon 26A + 18A →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DBosch%2BIcon%2B26A%2B%252B%2B18A)
- [Rain-X 26 in + 18 in →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DRain-X%2B26%2Bin%2B%252B%2B18%2Bin)

Serpentine (drive) belt

2.4L Theta II (G4KJ)

- [OEM Hyundai 25212-2G760 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fdp%2FB00EPC66ZC)

Serpentine (drive) belt

2.0T Theta II (G4KH)

- [OEM Hyundai 25212-2GGA1 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B25212-2GGA1)

Serpentine (drive) belt

1.6T Gamma T-GDI (G4FJ) Eco

- [OEM Hyundai 25212-2B720 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DHyundai%2B25212-2B720)

Battery (12V)

Non-hybrid: 2.4L, 2.0T, 1.6T

- [OEM BCI group Group 48 (H6) →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DBCI%2Bgroup%2BGroup%2B48%2B%2528H6%2529)
- [BCI group Group 94R (H7) →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DBCI%2Bgroup%2BGroup%2B94R%2B%2528H7%2529)
- [Interstate MTX-48/H6 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DInterstate%2BMTX-48%252FH6)
- [Interstate MTX-94R/H7 →](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3DInterstate%2BMTX-94R%252FH7)

Confirm fitment against your VIN. Mid-generation changes exist. Affiliate links. We may earn a commission at no cost to you.

Known faults

## Common Hyundai Sonata problems & repair costs

### Theta II engine bearing failure: knock, stall, seizure (2.4 GDI / 2.0T)

$4,500–$7,500

engine safety 2015–2017 (2.4 and 2.0T) ~60k–150k mi

**Symptoms:** Deep knocking from the bottom end (worst at cold start), check-engine light with DTC P1326 after the KSDS update, reduced-power limp mode, sudden stall while driving, or outright seizure. Root cause: connecting-rod bearings wear and shed metal debris into the oil.

**Fix:** Short-block or complete engine replacement. Here's the part that matters: the Theta II class-action settlement (final approval 2021) covers 2011–2019 Sonatas with the 2.4 GDI and 2.0T, giving a LIFETIME warranty on the short block (block, crank, rods, bearings, pistons) for original and subsequent owners, plus the Campaign 953 KSDS software that detects bearing wear early and forces limp mode instead of a highway seizure. If the failure qualifies, Hyundai replaces the engine free. The out-of-pocket range above is for cars denied coverage (missing maintenance records, non-OEM engine, or damage judged unrelated). Note this generation was NOT part of the earlier 2011–2014 metal-debris recall (17V-226). Coverage here comes from the settlement, not that recall.

Sources: [Hyundai Theta Engine Settlement (official site)](https://hma-thetasettlement.com/), [Hyundai: KSDS engine software campaign announcement](https://www.prnewswire.com/news-releases/hyundai-issues-recall-and-engine-software-update-for-certain-sonata-and-santa-fe-sport-vehicles-300779640.html), [NHTSA: 2015 Hyundai Sonata complaints/recalls](https://www.nhtsa.gov/vehicle/2015/HYUNDAI/SONATA)

### Excessive oil consumption (2.4 GDI)

$2,500–$5,500

engine severe 2015–2017 (2.4) ~60k–120k mi

**Symptoms:** Oil level drops a quart every 1,000–2,000 miles with no external leak and no visible smoke. Often discovered when the low-oil light comes on between changes, which on this engine can finish off the rod bearings.

**Fix:** Piston-ring wear is the usual culprit; the real fix is rings or a replacement engine. Hyundai's path is a dealer oil-consumption test (documented top-offs over 1,000-mile intervals); if consumption is verified and the bearing-failure criteria are met, the settlement's lifetime short-block warranty can cover a new engine. But pure oil-burning without a bearing failure is frequently denied, which is why owners end up paying or living with a quart-per-thousand habit. If you own one, check the dipstick monthly and keep every receipt.

Sources: [CarComplaints: 2016 Sonata excessive oil consumption](https://www.carcomplaints.com/Hyundai/Sonata/2016/engine/excessive_oil_consumption.shtml), [Hyundai Forums: 2017 Sonata excessive oil consumption thread](https://www.hyundai-forums.com/threads/2017-hyundai-sonata-excessive-oil-consumption.646853/)

### Eco 7-speed dual-clutch (D7UF1) judder and hesitation

$200–$2,500

transmission moderate 2015–2017 (Eco 1.6T only) ~Any mileage; worst in heat and stop-and-go

**Symptoms:** Shudder and hesitation launching from a stop, delayed engagement rolling into throttle at low speed, rubber-band feel on uphill starts. Worse in hot weather. Owners describe pressing the gas and getting nothing, then a lurch.

**Fix:** Start with the TCM/ECM software updates (Hyundai TSB 16-01-057 and later judder-detection logic). A reflash is cheap and reduces the behavior for many cars but rarely eliminates it. Persistent judder means clutch-pack replacement. The dry-clutch behavior was the subject of a class action and lemon-law claims; some of it is inherent to the design, so test-drive before buying rather than planning to 'fix' it after.

Sources: [NHTSA TSB: DCT judder detection and TCU software (MC-10201469)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10201469-0001.pdf), [Wirtz Law: Hyundai DCT defects, 2016–2017 models](https://www.wirtzlaw.com/hyundai-tucson-veloster-sonata-eco-and-elantra-eco-dual-clutch-transmission-defects-are-subject-to-california-lemon-law-model-years-2016-2017/), [Hyundai Forums: 2015 Sonata 1.6 Eco DCT problems](https://www.hyundai-forums.com/threads/2015-sonata-1-6-eco-dual-clutch-transmission-problems.676440/)

### Panoramic sunroof panel detachment (recall 152)

$0–$1,500

body safety 2015–2016 (panoramic sunroof cars)

**Symptoms:** Wind noise or rattle from the sunroof, then in the failure case the glass panel separates from the vehicle while driving. Caused by a bonding defect in the sunroof wind-deflector anchor plate. Separate owner reports of exploding/shattering sunroof glass exist on this generation too.

**Fix:** Recall 152 (began December 2016) has dealers repair the wind-deflector anchor plate free. It covers Sonatas built May 2014–March 2016 and 2015–2016 Hybrids with the panoramic roof. Verify it's done by VIN. A shattered glass panel outside recall terms runs $800–$1,500 at an independent glass/trim shop.

Sources: [Hyundai: Sonata panoramic sunroof recall campaign 152](https://autoservice.hyundaiusa.com/campaign152), [Cars.com: 2016 Hyundai Sonata recalls](https://www.cars.com/research/hyundai-sonata-2016/recalls/)

### Passenger occupant-sensor mat failure (airbag light)

$400–$900

airbags / electrical moderate 2015–2017

**Symptoms:** Airbag warning light on, passenger seat-belt reminder flashing with the seat empty, or 'passenger airbag off' shown with an adult in the seat. Diagnostic code B1448 (occupant classification sensor mat defect) is the classic finding.

**Fix:** The weight-sensing mat in the passenger seat cushion fails; Hyundai sells it only as a seat-cushion/base assembly, so the fix is replacing that assembly and clearing the code. Worth fixing promptly. With the SRS light on, the airbags may not deploy correctly in a crash. A widespread Hyundai/Kia failure pattern across this era, well documented on Sonata.

Sources: [Hyundai Forums: OCS mat sensor defect / airbag light fix](https://www.hyundai-forums.com/threads/mat-sensor-defect-fix-airbag-light-fix.578665/), [CarProblemZoo: Sonata airbag light complaints (NHTSA data)](https://www.carproblemzoo.com/hyundai/sonata/air-bag-light-on-problems.php)

Day-to-day, an LF Sonata is cheap to run: parts are inexpensive, the 6-speed automatic is durable, and routine service is simple. The budget wildcards are all engine-adjacent: top-off oil between changes on a consuming 2.4, and the time cost of dealer visits if the KSDS light ever trips (the engine replacement itself should be Hyundai's bill under the lifetime short-block warranty, but the claims process demands maintenance records). Insurance note: some 2015 Sonatas fall under the Hyundai theft-vulnerability era only if they use a turn-key ignition. Push-button cars are immune. Do oil changes on Hyundai's own schedule with the right spec oil and keep receipts. On the 2.4 that is 3,750 miles if you match Hyundai's severe conditions and 7,500 if you genuinely do not, and the turbos are shorter still. On this engine, paperwork is worth money.

Cost calculator

### What will this Hyundai Sonata cost you by a given mileage?

Drag to a mileage. We total the documented problems whose typical onset falls at or before it. The same cost ranges listed above, nothing new invented.

100k mi

$0 estimated repair range

Ownership Costs
5-Year Maintenance Schedule & Cost to Own

Every scheduled service by mileage, fluid capacities, independent shop ranges, and parts cross-references.

[Open 5-Year Ledger ->](https://carcasefile.com/vehicles/hyundai-sonata-2015-2017/cost-to-maintain/)

🩺
Have a repair quote for this Hyundai Sonata?

Audit against OEM book times, uncover duplicate pad and rotor labor, and verify parts markups.

[Audit Repair Estimate ->](https://carcasefile.com/estimate-doctor/?vehicle=Hyundai%20Sonata)

DIY repairs

## How to fix common Hyundai Sonata problems (DIY)

### Engine & cabin air filter change

easy 20 min saves ~$50–$120

**Tools:** None (hand-release clips); small screwdriver optional

- Unclip the airbox lid in the engine bay, lift it, and swap in the new engine air filter with the pleats facing the same way.
- Open the glovebox, squeeze the sides to release the stops, and let it swing down.
- Slide the cabin filter cover off, pull the old filter, and insert the new one with the airflow arrow pointing down.
- Reset the glovebox stops and clip the airbox shut.

Parts

- [Engine air filter (2015–2017 Sonata)](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3D2015-2017%2Bhyundai%2Bsonata%2Bengine%2Bair%2Bfilter) · Amazon $10–$20
- [Cabin air filter (2015–2017 Sonata)](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3D2015-2017%2Bhyundai%2Bsonata%2Bcabin%2Bair%2Bfilter) · Amazon $8–$15

### Spark plug replacement (2.4 GDI)

moderate 1–1.5 hrs saves ~$120–$250

**Tools:** 3/8" ratchet + extensions, 14mm thin-wall spark plug socket, 10mm socket (coil bolts), Torque wrench

- Remove the engine cover and unplug the four ignition coil connectors.
- Remove each coil hold-down bolt and pull the coils straight up out of the plug wells.
- Blow or vacuum debris out of the wells before removing the old plugs.
- Remove the old plugs, thread the new iridium plugs in by hand, then torque to spec (do NOT overtighten in the aluminum head).
- Reinstall coils and connectors, refit the cover, and confirm a smooth idle.

Parts

- [Iridium spark plugs, set of 4 (2.4 GDI Sonata)](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3D2015-2017%2Bhyundai%2Bsonata%2B2.4%2Biridium%2Bspark%2Bplugs) · Amazon $28–$60

### Front brake pad replacement

moderate 1.5–2 hrs saves ~$150–$300

**Tools:** Floor jack + jack stands, Lug wrench / 21mm socket, 14mm socket (caliper guide bolts), C-clamp or piston compressor, Brake grease

- Jack the front, support on stands, and remove the wheels.
- Remove the two caliper guide bolts, swing the caliper up, and hang it so the hose isn't stressed.
- Pull the old pads and shims; compress the piston back with the C-clamp (crack the reservoir cap first).
- Grease the contact points and slide pins, seat the new pads, and re-bolt the caliper.
- Repeat on the other side, refit wheels, and pump the pedal firm before moving the car.

Parts

- [Front brake pad set (2015–2017 Sonata)](https://carcasefile.com/go?u=https%3A%2F%2Fwww.amazon.com%2Fs%3Fk%3D2015-2017%2Bhyundai%2Bsonata%2Bfront%2Bbrake%2Bpads) · Amazon $30–$70

Some parts links are affiliate links. We may earn a commission at no cost to you. We only list parts that fit this generation.

## The short version

The 2015–2017 Sonata is a comfortable, well-built midsize sedan attached to one of the biggest engine scandals of the decade. The Theta II engines can wear their connecting-rod bearings, shed metal into the oil, and knock, stall, or seize. Those are the 2.4 in most cars and the 2.0T in the Sport/Limited turbos. It was bad enough to produce a $1.3 billion class-action settlement.

Here’s the twist that makes these cars interesting used buys: that settlement gave 2011–2019 Sonata Theta II cars a **lifetime warranty on the short block**, for subsequent owners too, plus knock-sensor software (Campaign 953) that catches bearing wear early and forces limp mode instead of a highway seizure. The market prices these cars like the risk is uncovered. It mostly isn’t, if the paperwork is right.

## What that means when you’re shopping

Three things decide whether a specific car is a deal or a headache:

**The VIN report.** A Hyundai dealer can confirm Campaign 953 is done and the recalls are closed: panoramic sunroof (152), ABS software (134), the 2015 seat-belt buckle (130). Open campaigns are a to-do list; a knock at cold start is a hard no until inspected.

**The dipstick.** Some 2.4s burn a quart every 1,000–2,000 miles through worn rings. That’s a *separate* problem from the bearing failure, and Hyundai frequently won’t cover it on its own. Check the level cold and ask the seller point-blank about top-offs.

**The trim.** The Eco’s 1.6T engine is fine, but its dry dual-clutch judders and hesitates from a stop. Software helps, it doesn’t cure. It’s also outside the engine settlement entirely. Test-drive one in traffic before committing. The plain 2.4 with the 6-speed automatic is the sane pick; a 2017 with records is the best of the run.

## Owning one

Keep oil changes on Hyundai’s own schedule rather than a round number, 3,750 miles on severe duty and 7,500 otherwise on the 2.4, keep every receipt, and check the dipstick monthly. If the check-engine light ever blinks with a chime and the car drops into reduced power, that’s the knock-sensor system doing its job. Drive straight to a Hyundai dealer, because that failure is the one the lifetime warranty exists for.

**How this file is built:** failure modes and cost ranges are compiled from NHTSA complaint and recall data, the Hyundai Theta II class-action settlement terms, Hyundai service campaigns and TSBs, CarComplaints data, and owner-forum reporting, then sanity-checked against shop-floor experience. Cost figures are independent-shop estimates and vary by region. Spot something off? [Tell us](https://carcasefile.com/disclaimer/).

Myths, checked

## Viral car myths, checked against this car

Misleading

### [Is the "$1 Japanese oil trick" that stops engine wear forever real?](https://carcasefile.com/claims/1-dollar-japanese-oil-trick-mos2-engine-wear/)

The 'Japanese oil trick' is almost certainly MoS2 (molybdenum disulfide), a real industrial friction modifier. It is German, not Japanese (Liqui Moly popularized it), sold openly at every parts store for $15-20, has real but modest measured friction benefits, and was never buried by anyone.

Dangerous

### [Is the "$2 liquid that destroys engine sludge forever" real? Our shop-floor verdict.](https://carcasefile.com/claims/2-dollar-engine-sludge-destroyer-liquid/)

An aggressive solvent flush on a high-mileage engine is a textbook way to spin a bearing. The viral 'kitchen-cabinet flush' is folklore that real shops spend money cleaning up after.

Appendix

## Frequently asked questions

### Is the 2015–2017 Sonata covered by the Hyundai engine settlement?

Yes, if it has the 2.4 GDI or 2.0T Theta II engine. The class-action settlement (approved 2021) covers 2011–2019 Sonatas with those engines and extends the short-block warranty to LIFETIME for original and later owners, plus the Campaign 953 knock-sensor software. The Eco's 1.6T and the Hybrid use different engine families and are NOT covered.

### Which 2015–2017 Sonata years and trims should I avoid?

2015 has the highest complaint volume and the seat-belt-buckle and ABS-software recalls on top of the engine issues; 2017 is the cleanest of the three. Trim-wise, skip the Eco unless you've test-driven its dual-clutch in traffic and accept the low-speed judder. Any 2.4 losing oil with no leak should be walked away from or priced as needing an engine claim.

### Will Hyundai pay for a new engine if mine fails?

Often, yes. A rod-bearing failure on a 2.4 or 2.0T falls under the settlement's lifetime short-block warranty, and many owners have gotten free replacement engines. Denials happen too, usually for missing oil-change records, a non-OEM replacement engine already installed, or failures Hyundai attributes to neglect. Keep maintenance receipts and get the KSDS software installed; it's the difference between a warm claim and a fight.

### Is oil consumption on the 2.4 covered under the settlement?

Not automatically. The lifetime warranty targets the bearing/seizure failure; a 2.4 that burns oil through worn piston rings but hasn't tripped the failure criteria is frequently denied. The path is a dealer-documented oil-consumption test. In the meantime, check the dipstick every 1,000 miles, because running low is exactly what kills the rod bearings the warranty does cover.

### How long will a 2015–2017 Sonata last?

A 2.4 or 2.0T that survives (or gets a warranty-replacement engine) is honestly good for 200,000 miles. The rest of the car (6-speed auto, suspension, electronics) holds up well for the class. The engine is the whole story: one with the software update, closed recalls, and a documented oil habit under control is a legitimately long-lived cheap sedan.

Cross-reference

## Every Hyundai Sonata generation

The full case file run, beyond the generation before and after this one.

- [Hyundai Sonata 2011–2014 4/10](https://carcasefile.com/vehicles/hyundai-sonata-2011-2014/)
- [Hyundai Sonata 2018–2019 6/10](https://carcasefile.com/vehicles/hyundai-sonata-2018-2019/)
- [Hyundai Sonata 2020–2026 7/10](https://carcasefile.com/vehicles/hyundai-sonata-2020-2026/)

## Cross-shopped rivals

Files on what buyers weigh against the Hyundai Sonata of this era.

- [Chevrolet Impala 2014–2020 7/10](https://carcasefile.com/vehicles/chevrolet-impala-2014-2020/)
- [Ford Fusion 2013–2020 5/10](https://carcasefile.com/vehicles/ford-fusion-2013-2020/)
- [Honda Accord 2013–2017 8/10](https://carcasefile.com/vehicles/honda-accord-2013-2017/)
- [Nissan Altima 2013–2018 4/10](https://carcasefile.com/vehicles/nissan-altima-2013-2018/)

## More Hyundai case files

- [Hyundai Santa Fe 2013–2018 5/10](https://carcasefile.com/vehicles/hyundai-santa-fe-2013-2018/)
- [Hyundai Elantra 2011–2016 5/10](https://carcasefile.com/vehicles/hyundai-elantra-2011-2016/)
- [Hyundai Tucson 2016–2021 5/10](https://carcasefile.com/vehicles/hyundai-tucson-2016-2021/)

Spot an error in this case file?

Wrong cost, a fault we missed, or a part number that doesn't fit. Tell us and we'll fix it. See our [verification methodology](https://carcasefile.com/methodology/) and [corrections policy](https://carcasefile.com/disclaimer/).

Reviewed CarCaseFile editorial · filed 2026-07-03 · updated 2026-10-07

Cost figures are independent-shop estimates and vary by region and condition. Always confirm a diagnosis before authorizing repairs.