2012 KIA Sorento Engine Problems

Source: NHTSA · Updated Sep 22, 2026 · 461 complaints analyzed

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).

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.

Under 10k miles14 · 4%
10k–25k miles22 · 6%
25k–50k miles28 · 8%
50k–75k miles33 · 10%
75k–100k miles77 · 22%
100k–150k miles130 · 38%
150k+ miles41 · 12%

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

Peak: 2016, with 695 complaints
2003: 4320032004: 462005: 6320052006: 672007: 720072008: 352009: 420092010: 12011: 28420112012: 4612013: 49620132014: 3882015: 36220152016: 6956952017: 38720172018: 1072019: 15820192020: 662021: 6820212022: 522023: 3120232024: 52025: 1920252026: 1

n = 3,846 complaints · Source: NHTSA

Model yearEngine complaintsShare of that yearMedian miles
2026 Sorento117%7,000
2025 Sorento1925%4,000
2024 Sorento512%31,000
2023 Sorento3125%1,600
2022 Sorento5227%50,000
2021 Sorento6827%33,000
2020 Sorento6648%61,500
2019 Sorento15837%40,000
2018 Sorento10742%72,000
2017 Sorento38748%64,000
2016 Sorento69555%83,500
2015 Sorento36248%87,560
2014 Sorento38839%100,000
2013 Sorento49651%89,691
2012 Sorento46152%99,612
2011 Sorento28419%103,000
2010 Sorento133%52,000
2009 Sorento47%140,000
2008 Sorento3516%75,000
2007 Sorento75%133,000
2006 Sorento6728%92,700
2005 Sorento6321%101,000
2004 Sorento4621%112,000
2003 Sorento4314%118,000

When owners reported it

Peak: 2019, with 96 complaints
2012: 3201232013: 16162014: 242014242015: 12122016: 292016292017: 47472018: 622018622019: 96962020: 302020302021: 44442022: 212022212023: 30302024: 272024272025: 11112026: 920269

n = 461 complaints · Source: NHTSA

Related recalls (3)

EngineDec 2, 2020 · NHTSA campaign 20V750000 · 294,756 vehicles

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 fittingsDec 19, 2018 · NHTSA campaign 18V907000 · 71,653 vehicles

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:engineMar 31, 2017 · NHTSA campaign 17V224000 · 618,160 vehicles

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…

Received Jul 29, 2026 · NHTSA complaint 11753475

The contact owned a 2012 Kia Sorento. The contact’s 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 contact’s spouse to…

Received May 7, 2026 · NHTSA complaint 11736289

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…

Received Apr 27, 2026 · NHTSA complaint 11734042
KIA Sorento
Kia Sorento 2.2 CRDi DCT AWD Platinum (IV, Facelift). Representative photo; appearance varies by model year. Photo: © M 93, CC BY-SA 3.0 de, via Wikimedia Commons.

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.