2012 Hyundai Sonata Hybrid Engine Problems

Source: NHTSA · Updated Jul 24, 2026 · 67 complaints analyzed

Owners have filed 67 complaints with NHTSA about engine problems on the 2012 Hyundai Sonata Hybrid, 44% of all complaints for this model year. Half of the reports with a mileage happened before 97,000 miles. The words owners use most often: “engine seized” (12% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Engine seized: mentioned in 8 of 67 complaints (12%)
  • Motive power: mentioned in 5 of 67 complaints (7%)

At what mileage do engine problems happen?

Based on 62 complaints that reported the odometer reading.

Under 10k miles3 · 5%
10k–25k miles1 · 2%
25k–50k miles4 · 6%
50k–75k miles18 · 29%
75k–100k miles7 · 11%
100k–150k miles23 · 37%
150k+ miles6 · 10%

How serious are the reports?

Of 67 complaints, 4 a fire, 1 an injury.

Hyundai Sonata Hybrid engine complaints by model year

Peak: 2016, with 73 complaints
2011: 402011402012: 672012672013: 402013402014: 122014122015: 192015192016: 732016732017: 452017452018: 5201852019: 3201932020: 8202082021: 212021212022: 2202222023: 7202372024: 120241

n = 343 complaints · Source: NHTSA

Model yearEngine complaintsShare of that yearMedian miles
2024 Sonata Hybrid111%15,395
2023 Sonata Hybrid747%34,000
2022 Sonata Hybrid211%—
2021 Sonata Hybrid2138%—
2020 Sonata Hybrid850%—
2019 Sonata Hybrid360%—
2018 Sonata Hybrid556%47,000
2017 Sonata Hybrid4556%70,500
2016 Sonata Hybrid7355%80,000
2015 Sonata Hybrid1935%48,250
2014 Sonata Hybrid1243%68,092
2013 Sonata Hybrid4037%90,500
2012 Sonata Hybrid6744%97,000
2011 Sonata Hybrid4042%94,000

When owners reported it

Peak: 2018, with 12 complaints
2014: 1201412015: 2201522016: 9201692017: 112017112018: 122018122019: 102019102020: 3202032021: 112021112022: 4202242023: 2202322024: 1202412025: 120251

n = 67 complaints · Source: NHTSA

Related recalls (1)

EngineDec 1, 2020 · NHTSA campaign 20V746000 · 128,948 vehicles

Problem: Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Veloster, 2012 Santa Fe, 2011-2013 Sonata Hybrid, and 2016 Sonata Hybrid vehicles. The connecting rod bearings inside the engine may wear prematurely, which over time can result in engine damage.

Risk: A damaged engine can increase the risk of a fire or it can cause an engine stall, increasing the risk of a crash.

Fix: Hyundai will notify owners, and dealers will inspect the engine. If bearing damage is found, the engine will be replaced. Dealers will also install a software update containing a new Knock Sensor Detection System (KSDS). Repairs will be performed free of charge. The recall began March 31, 2021. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 198.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

The contact owned a 2012 Hyundai Sonata. The contact stated that while driving at 75 MPH on the highway, while depressing the accelerator pedal, the vehicle failed to accelerate. No warning lights illuminated. The contact veered over to the right side of the road, turned the vehicle off, and she…

Received Sep 4, 2025 · NHTSA complaint 11684970

The contact owns a 2012 Hyundai Sonata Hybrid. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power and the low battery warning light illuminated. In addition, the contact heard a rattling sound coming from the engine before the engine seized. The vehicle was…

Received May 14, 2024 · NHTSA complaint 11588669

The contact owns a 2012 Hyundai Sonata Hybrid. The contact stated while driving at various speeds, the message "Pull Over. Stop the Vehicle" was displayed, and the vehicle failed to respond upon depressing the accelerator pedal. The contact veered to the side of the road and turned off the vehicle…

Received Aug 11, 2023 · NHTSA complaint 11537898

Frequently asked questions

Do all 2012 Hyundai Sonata Hybrids have engine problems?

No. NHTSA has 67 owner complaints about engine for the 2012 Hyundai Sonata Hybrid (44% of the 154 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2012 Hyundai Sonata Hybrid engine?

Yes: 1 safety recall list engine. Check your VIN on NHTSA.gov to see whether the fix was done on your car.

At what mileage do engine problems start?

The median reported mileage is 97,000 miles: half of the reports with a mileage came before that.

What do owners say about engine problems on the 2012 Hyundai Sonata Hybrid?

The most frequent phrase is “engine seized”, in 8 of 67 complaints, followed by “motive power” (5).

See all 2012 Hyundai Sonata Hybrid problems or engine problems across all Sonata Hybrid years.