Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2012 Kia Sorento owners, lightly cleaned up (personal details are redacted by NHTSA).
(January 11,2024) my wife had an accident while driving a 2012 Kia Sorento vehicle. She was waiting to enter a parking space at the Laurel Mall that someone was backing out of, when the space was clear to enter, she took her foot off the brake and proceeded to enter the space. It seems that the Sorento went full throttle on it's own and proceeded to smash into 3 other parked cars. I read that Kia has a problem with faulty acceleration on 2009 thru 2015 with the Sorentos. I reported this incindent to my insurance and they recommended that I contact Kia Motors Direct. I have reported this to Kia Motors Customer Care, (January 12, 2024) I am waiting for their reply to this situation. There were no warning lights nor any warning of a failure with the vehicle. To date, the Sorento has not been repaired nor checked by a mechanic.
Engine suddenly lost power while on 125 mile road trip. Tachometer flat lined at 60 mph and speed and engine power rapidly decreased ( as if in creeper mode) and I was not able to accelerate above the 20 mph , enough to get to the shoulder. I was towed to the Kia dealership and after a day the couldn't replicate the problem as the vehicle returned to it's proper operational mode. This happened again 3 weeks later at 80mph in the center lane under cruise control with the same issues, sudden loss of power, inability to accelerate and no tachometer reading yet still running at idle. This time I pulled into a gas station and took the battery cable off for 5 minutes then replaced it. The vehicle became fully operational and I drove another 125 miles home. I bare was able to get over as I couldn't accelerate the vehicle and had to creep up the exit ramp. …
The vehicle slows unexpectedly while driving and will not go above 2 RPM causing me to slow to below 40 mph on the highway without any warning. I took the vehicle to Kia for an airbag recall and suddenly I started to have these engine problems. They never informed me there was a recall on my vehicle or that this issue could occur. I am not the original owner and acquired the vehicle from my dad, which he purchased from someone else. I had the vehicle checked out by AAA and the knock sensor was replaced, yet the issue continued to happen. I took the vehicle back to Kia because AAA could not figure out why the car continues to have this engine issue. Kia cannot seem to figure out the issue as well but stated the engine needs to be replaced. …
I was driving my car on the highway and entered a ramp to another highway and as I began to accelerate again it was like my engine shut down and there was no response to the gas pedal for throttle. I pulled my car over to the side, sat for a moment, and then turned the car back on. I was able to accelerate, but if I accelerate too fast the engine would shut back down. I contacted Kia and they said all recalls have been processed for my vehicle, but now out of nowhere it's hardly driveable. I am still forced to use this car for short distances under a couple miles for work, but the vehicle's engine will try to shut off over 2k rpms. I have maintenance records for every year with this vehicle and I don't get how this just happens. My mechanic says a Knock Sensor is telling the engine to turn off and my local kia store said there wouldn't be anything to do without a recall.
I have owned my 2012 KIA Sorento since 2014 and thoroughly enjoy my car. After 9 years of satisfactory ownership which include dealer servicing, my car scared me and now I question my safety. On Friday 24th, 2023, I pulled into my driveway and the car suddenly accelerated out of control. The brakes did nothing to slow its acceleration. By the time I reached the key and turned the car off it had accelerated thru 130 feet of a very muddy back yard. (The all-wheel drive is very effective) Fortunately, I just missed a huge 100-year-old pecan tree and stopped just short of the tree line in the back. This ripped the tire off one of my rims and I had a mechanic change the spare so we could retrieve the car. I am taking the car to the KIA dealer on Monday morning 27th. to find out what happened!!
was driving and no warning lights came on and then the engine seized up after buying it 3 months ago. then took towed to kia vw billings mt and they now have had the car for almost two weeks and none of my rights are being met and no communication back to me wont respond to several of my calls. i will be filing a lawsuit against either auto resource in billings mt for selling me a faulty vehicle or going after kia vw of billings mt for lost wages as i drive for a living and im disabled and have been treated very very poorly.
The abs brake light, traction control, and downhill assist lights all came on at the same time. This is being caused by a faulty speed sensor. This item was recalled on the two wheel drive kias, but not the all wheel drive models... hiwever.. looking for answers in the forums show that there is a systemic problem in the kia system, just Google search it and watch all the other car owners stories pop up.
It won't catch up speed it slips on the freeway. Once I pass 60 miles per hour it excelerates very high and rpm get stuck after I hit 50 miles per hour. There's a knocking noise coming from the engine and burns oil fast.
As I was driving downhill on I-15 just 3 miles south of scipio, ut, I began to notice issues with the brakes and accelerator. I got into the far right line of the highway and noticed that smoke and flames came from underneath the hood. As I put the car in park, thick black smoke came through the air vent. As we got out of the vehicle, I breathed in a little bit of the thick smoke that came through the air vent, but my wife did not breathe any of the smoke. The hood area was completely engulfed in flames after we escaped from the vehicle. The fire department put out the fire about 20 minutes after this incident started. Everything from the front of the car to about half of the trunk area was destroyed.
While my vehicle was in motion on the highway going over 70mph my engine shut off, my speedometer dropped from 70 to 40 causing the vehicle behind me to have to pull into on coming traffic (two lane road going down mountain) to avoid slamming into my vehicle. Prior to this oil, check engine, and four wheel drive lights all began to flash. Pulled over, shut off vehicle and vehicle started after some struggle. Drove with hazards all the way home. Before this my vehicle would lose power while driving. My rpms would drop and hitting the gas did nothing. Every time vehicle starts making knocking sound before rattling and stalling out. Vehicle has been in motion every single time it loses power, or the engine stalls out. Immediately purchased car fax to see all open recalls on my vehicle. This is one of the major ones. Entire replacement of engine. …
NHTSA investigations
Throttle control system vulnerabilities
The Office of Defects Investigation (ODI) of the National Highway Traffic Safety Administration (NHTSA) received a petition letter dated October 10, 2021, requesting an investigation of possible defects in the electronic throttle control (ETC) system on certain Kia vehicles resulting in the opening of DP21-003.
Acceleration complaints in other Sorento years
Frequently asked questions
How common are acceleration problems on the 2012 Kia Sorento?
NHTSA has 29 complaints about the speed control & acceleration of the 2012 Kia Sorento, 3% of the model year's 880 complaints.
Is there a recall for 2012 Kia Sorento acceleration problems?
No. NHTSA lists no speed control & acceleration recall for the 2012 Kia Sorento, though it has 5 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2012 Kia Sorento acceleration problems start?
Half of the complaints with a recorded mileage happened before about 14,000 miles, and 79% before 25,000 miles.
Is it dangerous?
Owners linked 2 crashes, 1 fire and 1 injury to speed control & acceleration problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.