10 complaints reported

2020 Kia Sorento Power Train

Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.

Reports
10
Crashes
0
Fires
0
Injuries
0

Complaint Timeline

Chronological view of owner reports

Oct 2025

The contact owns a 2020 Kia Sorento. The contact stated that for approximately a month, while driving at various speeds, the vehicle started jerking abnormally. The contact stated that the jerking stopped while accelerating. The vehicle was taken to a dealer, and the vehicle was not diagnosed; however, the mechanic test-drove the vehicle and stated that the failure might be associated with the transmission. The contact stated that after visiting the dealer, the check engine warning light illuminated. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 97,085.

Type: Vehicle, Vehicle: 2020 KIA SORENTO, Manufacturer: Kia America, Inc.
Incident: Aug 2025
Mar 2024

Hi, Please this Kia Sorento 2020 LX model of mine has a problem with glow relay. I just saw my check engine light on my dashboard when my mechanic checked for me it was confirmed with the OBD equipment to be a glow relay causing that. i have used my vehicle for only 2 years after purchase. Kindly recall this to be fixed for all users of this vehicle year model. Counting on your usual assistance and support. Thanks

Type: Vehicle, Vehicle: 2020 KIA SORENTO, Manufacturer: Kia America, Inc.
Incident: Mar 2024
Jul 2023

Burning oil and no warning lights come on for low oil, had the car looked at and was told that there are no leaks. Mechanic also told me that it is the piston rings and that he has had other customers with the same experience and was told that kia is honoring the engine warranty even though the car is out of warranty, but will not fix mine.

Type: Vehicle, Vehicle: 2020 KIA SORENTO, Manufacturer: Kia America, Inc.
Incident: May 2023
Nov 2020

I BOUGHT THIS CAN BRAND NEW 4/30/20. I NOTICED SMALL ERRATIC STUTTERING IN THE ENGINE WHILE CRUISING AT 30-40 MPH. I WASN'T SURE WHAT IT WAS OR THAT I DID SOMETHING TO CREATE IT. A FRIEND WAS RIDING WITH ME AND SSK WHAT WHAT CAUSING THE ISSUES. I SAID YOU CAN FEEL THAT? I TOOK THE CAR IN IN OCT @ THE FIRST OILD CHANGE 6KMILES ON THE CARE AT THIS POINT. THE DRIVE MODE WOULD BE DIFFERENT EACH STARTING AS WELL. THE DEALERSHIP WAS ABLE TO RECREATE THE ISSUE. THEY RESET THE DRIVE MODES AND SAID THAT SHOULD FIX IT. HERE WE ARE A MTH LATER AT 7K MILES ON THE CAR. ITS STILL HAPPENING AS WELL AS LURCHING WHEN STOPPED. TOOK IT IN TODAY AND THEY SAID THERE'S NOTHING WRONG AND COULD NOT RECREATE IT. FROM WHAT I UNDERSTAND THIS IS AN ONGOING ISSUE THAT THEY DON'T SEEM CONCERNED ABOUT GETTING THE ISSUE RESOLVED. THIS WILL BE MY LAST TIME DEALING WITH A KIA!!!

Type: Vehicle, Vehicle: 2020 KIA SORENTO, Manufacturer: Kia America, Inc.
Incident: Sep 2020
Oct 2020

WE PURCHASED THE 2020 SORRENTO V6 WITH THE 8 SPEED AUTOMATIC TRANSMISSION. FROM THE VERY BEGINNING THE TRANSMISSION HAD AN ERRATIC SHIFT WHEN IT WAS COLD. TOOK THE VEHICLE TO THE DEALER AND THEY SAID THEY WERE GOING TO INSTALL A NEW TRANSMISSION IN IT. FOUND OUT WHEN I PICK UP THE VEHICLE UP THAT THEY IN FACT INSTALLED A REBUILT TRANSMISSION, VEHICLE NOW HAS 1100 MILES ON IT. PROBLEM WAS NOT FIXED. TOOK THE VEHICLE BACK AND THE DEALER I WAS INFORMED THAT A KAI REP WAS GOING TO COME OUT AND LOOK AT THE VEHICLE. THAT IS EXACTLY WHAT HE DID HE LOOKED AT THE VEHICLE AND DROVE IT. THE KIA REP THEN DROVE ANOTHER SORRENTO ON THE LOT AND REPORTED BACK THAT MY SORRENTO WAS 'OPERATING AS DESIGNED'. I ALSO DROVE TWO OTHER V6 8 SPEED SORRENTO'S THAT WERE ON THE LOT AND THEY WERE BOTH HAVING THE SAME PROBLEM. IN MY 45 YEARS OF DRIVING I HAVE NEVER HAD A TRANSMISSION BEHAVE LIKE THIS UNLESS THERE WAS A PROBLEM WITH IT. I HAVE ESCALATED THE ISSUE TO THE KIA CUSTOMER CARE CENTER (800) 333-4542. THE CUSTOMER CARE CENTER ARE LIKE LEMMINGS AND ONLY READ BACK TO ME WHAT THE DEALERSHIP AND SO CALLED EXPERT ENTERED IN TO THE SYSTEM. I WAS ADVISED BY THE CUSTOMER CARE REPRESENTATIVE THAT IF I WANTED TO FIX THE PROBLEM MYSELF I COULD DO SO AND IF KIA DID PUT OUT A SERVICE BULLETIN OR RECALL I COULD BE REIMBURSED FOR MY EXPENSES.

Type: Vehicle, Vehicle: 2020 KIA SORENTO, Manufacturer: Kia America, Inc.
Incident: Jul 2020
Oct 2020

WHEN CAR IS COLD IT ACTS LIKE IT SKIPS TAKING OFF ON A HILL. ( TRANSMISSION SHIFTS ERRATICALLY) TOOK CAR TO DEALER FOR SERVICE THAT SAID THIS IS NORMAL I THINK IT WILL BE A LOT WORST THIS WINTER WHEN IT GETS REAL COLD AS THE CAR HESITATES WHEN TAKING OFF AND PULLING OUT INTO TRAFFIC

Type: Vehicle, Vehicle: 2020 KIA SORENTO, Manufacturer: Kia America, Inc.
Incident: Oct 2020
May 2020

THE DAY AFTER I PURCHASE MY NEW KIA I HAD STARTED TO WORK THE MOTOR WAS COLD AND WHEN TRYING TO SHIFT GEARS IT SLIPPING WHEN YOU FIRST STARTED OUT UNTIL MOTOR HAS WARMED UP I TOOK IT BACK TO THE DEALERSHIP AND THEY STAYED TO JUST DRIVE IT UNTIL THE FIRST OIL CHANGE AND THEY WOULD CHECK ON IT THEN I FEEL THAT THE CAR IS GOING BACK DOWN WHEN DRIVING IT. *TR

Type: Vehicle, Vehicle: 2020 KIA SORENTO, Manufacturer: Kia America, Inc.
Incident: Nov 2020
May 2020

THE TRANSMISSION WILL ACT IN A VERY ERRATIC MANNER WHEN THE CAR IS FIRST DRIVEN AFTER SITTING COLD FOR SEVERAL HOURS. THIS PROBLEM APPEARS WHEN ACCELERATING, AND PERSISTS UNTIL THE CAR HAS BEEN DRIVEN A FEW MILES. *TR

Type: Vehicle, Vehicle: 2020 KIA SORENTO, Manufacturer: Kia America, Inc.
Incident: May 2020
Feb 2020

I HAVE A 2020 KIA SORENTO V6. WHEN THE ENGINE IS COLD OR HAS BEEN SITTING FOR AN HOUR OR SO, THE TRANSMISSION SHIFTS ERRATICALLY BETWEEN 20 AND 40 MPH. WHEN COMING TO A STOP, AT THE SAME SPEED, THE VEHICLE SURGES FORWARD. I HAVE TAKEN THE VEHICLE BACK TO THE DEALERSHIP 3 TIMES. THEY REPROGRAMED THE TRANSMISSION MODULE 2 TIMES WITH NO IMPROVEMENT. THIS PROBLEM HAPPENS IN ALL 4 DRIVING MODES. I PURCHASED THIS VEHICLE 10-22-2019 AND THE PROBLEM STARTED ABOUT 3 OR 4 DAYS LATER AND CONTINUES THROUGH TODAY 2-23-2020.

Type: Vehicle, Vehicle: 2020 KIA SORENTO, Manufacturer: Kia America, Inc.
Incident: Oct 2019
Feb 2020

TRANSMISSION STUTTERS OR HESITATES WHEN SHIFTING, AND IT IS ESPECIALLY BAD UNTIL THE CAR HAS BEEN DRIVEN FOR AT LEAST 10 MINUTES. IT IS WORST WHEN SHIFTING FROM 1ST TO 2ND AND 2ND TO 3RD. I HAVE ONLY OWNED THE CAR FOR TWO MONTHS AND IT HAS ACTED THIS WAY FROM DAY ONE.

Type: Vehicle, Vehicle: 2020 KIA SORENTO, Manufacturer: Kia America, Inc.
Incident: Jan 2020

Trend Over Time

Complaints by year

Quick Summary

The 2020 Kia Sorento has 10 Power Train complaints on file. Review the timeline above for detailed owner experiences.