2012 KIA Sorento Engine Problems
Owners have filed 461 complaints with NHTSA about engine problems on the 2012 KIA Sorento, 52% of all complaints for this model year. Half of the reports with a mileage happened before 99,612 miles. The words owners use most often: “engine seized” (9% of reports).
- 461engine complaints
- 99,612median miles at failure
- 2mention a crash
- 4mention an injury
- 3related recalls
- $8,050typical repair cost reported by owners
- 47%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.
- Engine seized: mentioned in 41 of 461 complaints (9%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical engine repair on the 2012 KIA Sorento at $8,050, and half of them between $2,850 and $12,250.
Based on 31 NHTSA complaints about this problem alone that state a repair bill or quote (2015–2024), 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 345 complaints that reported the odometer reading.
How serious are the reports?
Of 461 complaints, 2 mention a crash, 53 a fire, 4 an injury.
KIA Sorento engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Sorento | 1 | 17% | 7,000 |
| 2025 Sorento | 19 | 25% | 4,000 |
| 2024 Sorento | 5 | 12% | 31,000 |
| 2023 Sorento | 31 | 25% | 1,600 |
| 2022 Sorento | 52 | 27% | 50,000 |
| 2021 Sorento | 68 | 27% | 33,000 |
| 2020 Sorento | 66 | 48% | 61,500 |
| 2019 Sorento | 158 | 37% | 40,000 |
| 2018 Sorento | 107 | 42% | 72,000 |
| 2017 Sorento | 387 | 48% | 64,000 |
| 2016 Sorento | 695 | 55% | 83,500 |
| 2015 Sorento | 362 | 48% | 87,560 |
| 2014 Sorento | 388 | 39% | 100,000 |
| 2013 Sorento | 496 | 51% | 89,691 |
| 2012 Sorento | 461 | 52% | 99,612 |
| 2011 Sorento | 284 | 19% | 103,000 |
| 2010 Sorento | 1 | 33% | 52,000 |
| 2009 Sorento | 4 | 7% | 140,000 |
| 2008 Sorento | 35 | 16% | 75,000 |
| 2007 Sorento | 7 | 5% | 133,000 |
| 2006 Sorento | 67 | 28% | 92,700 |
| 2005 Sorento | 63 | 21% | 101,000 |
| 2004 Sorento | 46 | 21% | 112,000 |
| 2003 Sorento | 43 | 14% | 118,000 |
When owners reported it
Related recalls (3)
Engine
Problem: Kia Motors America (Kia) is recalling certain 2012-2013 Sorento, 2012-2015 Forte and Forte Koup, 2011-2013 Optima Hybrid, 2014-2015 Soul, and 2012 Sportage vehicles. An engine compartment fire can occur while driving.
Risk: An engine compartment fire increases the risk of injury.
Fix: Kia will notify owners, and dealers will inspect the engine compartment for fuel and/or engine oil leaks, perform an engine test and make any repairs, including engine replacement, as necessary, free of charge. In addition, Kia dealers will update the Knock Sensor Detection System (KSDS) software, free of charge. The recall began January 27, 2021. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC200.
Engine; fuel system, gasoline:delivery:hoses, lines/piping, and fittings
Problem: Kia Motors America (Kia) is recalling certain 2011-2017 Optima, 2012-2017 Sorento and 2011-2018 Sportage vehicles that previously received an engine replacement under recall number 17V-224, warranty, or the Knock Sensor Detection System (KSDS) Product Improvement Campaign. The high pressure fuel pipe that connects to the fuel pump outlet may have been damaged, misaligned or improperly torqued during the engine replacement procedure, possibly causing a fuel leak.
Risk: A fuel leak in the presence of an ignition source can increase the risk of a fire.
Fix: Kia has notified owners, and dealers will inspect and replace the fuel pipe, as necessary, free of charge. The recall began January 17, 2019. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC172.
Engine and engine cooling:engine
Problem: Kia Motor Company (Kia) is recalling certain 2011-2014 Optima, 2012-2014 Sorento and 2011-2013 Sportage vehicles. Machining errors during the engine manufacturing process may cause premature bearing wear within the engine.
Risk: Bearing wear may result in the engine seizing, increasing the risk of a crash.
Fix: Kia will notify owners, and dealers will inspect the engine assembly, and replace the engine if necessary, free of charge. The recall began June 20, 2017. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC147.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
I am filing this complaint regarding a sudden and unexpected engine failure in my 2012 Kia Sorento LX equipped with the 2.4L Theta II engine. Vehicle Information: Year: 2012 Make/Model: Kia Sorento LX Engine: 2.4L Theta II VIN: [XXX] While driving, my vehicle experienced a sudden engine failure and…
The contact owned a 2012 Kia Sorento. The contactâs spouse stated that while driving at an undisclosed speed, the vehicle suddenly lost motive power with no warning lights illuminated. The contact's spouse noticed smoke coming from the front of the vehicle, prompting the contactâs spouse to…
The clock spring needs fixed no features including the horn is working in my airbag light is staying on. Also I now have a loud knock in my motor I understand this should fall under the extended 15 yr 150k warranty; 2012 Kia vehicles (specifically the Sorento) with V6 engines are covered under…

Frequently asked questions
Do all 2012 KIA Sorentos have engine problems?
No. NHTSA has 461 owner complaints about engine for the 2012 KIA Sorento (52% of the 880 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 KIA Sorento engine?
Yes: 3 safety recalls 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 99,612 miles: half of the reports with a mileage came before that.
How much does it cost to fix engine problems on the 2012 KIA Sorento?
Owners report a typical cost of $8,050 (half paid between $2,850 and $12,250), from 31 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about engine problems on the 2012 KIA Sorento?
The most frequent phrase is “engine seized”, in 41 of 461 complaints.
Other 2012 KIA Sorento problems
See all 2012 KIA Sorento problems or engine problems across all Sorento years.