2015 Hyundai Sonata Engine Problems
Owners have filed 628 complaints with NHTSA about engine problems on the 2015 Hyundai Sonata, 55% of all complaints for this model year. Half of the reports with a mileage happened before 65,000 miles. The words owners use most often: “oil consumption” (7% of reports).
- 628engine complaints
- 65,000median miles at failure
- 4mention a crash
- 7mention an injury
- 0related recalls
- $2,200typical repair cost reported by owners
- 44%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Oil consumption: mentioned in 47 of 628 complaints (7%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical engine repair on the 2015 Hyundai Sonata at $2,200, and half of them between $750 and $6,250.
Based on 22 NHTSA complaints about this problem alone that state a repair bill or quote (2019–2026), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do engine problems happen?
Based on 303 complaints that reported the odometer reading.
How serious are the reports?
Of 628 complaints, 4 mention a crash, 35 a fire, 7 an injury.
Hyundai Sonata engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2025 Sonata | 2 | 12% | — |
| 2024 Sonata | 3 | 7% | — |
| 2023 Sonata | 28 | 32% | 5,540 |
| 2022 Sonata | 25 | 27% | 15,000 |
| 2021 Sonata | 34 | 25% | 44,000 |
| 2020 Sonata | 31 | 17% | 30,849 |
| 2019 Sonata | 87 | 54% | 90,000 |
| 2018 Sonata | 212 | 57% | 19,750 |
| 2017 Sonata | 384 | 50% | 74,400 |
| 2016 Sonata | 452 | 62% | 82,500 |
| 2015 Sonata | 628 | 55% | 65,000 |
| 2014 Sonata | 302 | 40% | 84,000 |
| 2013 Sonata | 738 | 39% | 96,000 |
| 2012 Sonata | 567 | 36% | 92,000 |
| 2011 Sonata | 967 | 29% | 100,000 |
| 2010 Sonata | 29 | 8% | 70,000 |
| 2009 Sonata | 56 | 12% | 108,300 |
| 2008 Sonata | 48 | 11% | 114,000 |
| 2007 Sonata | 41 | 6% | 114,000 |
| 2006 Sonata | 44 | 4% | 100,000 |
| 2005 Sonata | 6 | 4% | 96,728 |
| 2004 Sonata | 5 | 2% | 130,000 |
| 2003 Sonata | 3 | 2% | 131,000 |
| 2002 Sonata | 5 | 2% | 145,000 |
| 2001 Sonata | 1 | 0% | 20,000 |
When owners reported it
Related recalls (0)
No safety recall lists engine for the 2015 Hyundai Sonata. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
Hyundai Motor America is explicitly refusing to honor the mandatory safety recall and lifetime warranty extension for a catastrophic rod bearing failure on my 2015 Hyundai Sonata (VIN [XXX]). The engine suffered a sudden internal connecting rod bearing seizure while operating, causing a complete…
I am filing this complaint regarding transmission and drivability problems with my 2015 Hyundai Sonata 2.4L following Hyundai Campaign 9C-2. My vehicle was running and driving perfectly before this update. I have always maintained it on time, followed proper maintenance schedules, and have records…
Ever since the 9C2 software update was completed on 94/26, the car is experiencing hesitations not only in the first few minutes of driving but after the engine is hot. It was driving perfectly before this update.
Frequently asked questions
Do all 2015 Hyundai Sonatas have engine problems?
No. NHTSA has 628 owner complaints about engine for the 2015 Hyundai Sonata (55% of the 1,151 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 2015 Hyundai Sonata engine?
No recall currently lists engine for this vehicle.
At what mileage do engine problems start?
The median reported mileage is 65,000 miles: half of the reports with a mileage came before that.
How much does it cost to fix engine problems on the 2015 Hyundai Sonata?
Owners report a typical cost of $2,200 (half paid between $750 and $6,250), from 22 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about engine problems on the 2015 Hyundai Sonata?
The most frequent phrase is “oil consumption”, in 47 of 628 complaints.
Other 2015 Hyundai Sonata problems
See all 2015 Hyundai Sonata problems or engine problems across all Sonata years.