*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Engine and engine cooling
The contact owns a 2021 Kia Sportage. The contact stated that after an oil change, while leaving the dealer and driving 55 MPH, there was an abnormal sound coming from the engine. The contact pulled over to the right side of the road, exited the vehicle, lifted the hood, and checked the oil dipstick and became aware that there was no oil on the dipstick. Since the failure, oil had been added to the engine three times. A dealer was contacted. The manufacturer was notified of the failure, opened a case, and informed the contact that the vehicle was out of warranty. The approximate failure mileage was 103,916.
May 15, 2026 · 103,916 milesEngine
My 2021 Kia Sportage is in Limp Mode at 2,000 RPM, and my mechanic confirmed it has the P1326 Knock Sensor code stored. Vin [XXX]. I need to see if my car can be added to the list of vehicles regarding the product improvement campaign PI2002A. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Sep 28, 2026Engine
The Kia never showed an engine light error or gave a code stating there was a problem. We Change the oil every 3000 miles. There was no oil on the dip stick and the oil was extremely low. The engine seized up today.
Sep 26, 2026Structure › Body
Severe structural manufacturing defect in my 2021 Kia Sportage. A physical hole has formed in the floorboard on the driver side directly next to the pedals, creating an immediate risk of a catastrophic accident. The vehicle also has chronic failure of the air conditioning system, documented by Sunset Kia of Sarasota as a leaking evaporator. This prevents the windshield from defrosting during heavy Florida rains, severely impairing visibility. Dealer confirmed these hazards under a signed repair order on June 3 2026, but Kia Corporate closed case 25175676 without any physical technical inspection, leaving an unsafe vehicle on the road.
Jun 3, 2026Vehicle speed control
See attached document for complaint.
Jul 6, 2026Engine
The hose connected on the antifreeze leak into the engine compartment
Aug 8, 2026Engine
On June 14, 2026, the driver experienced sudden rough engine running followed immediately by a flashing check engine light. The vehicle was towed to the selling dealer, which has performed all prior maintenance. The vehicle is currently at the dealership and available for inspection. Technician notes show DTC P1326 was stored â the Knock Sensor Detection System code associated with connecting rod bearing wear on Kia's Theta II engine family. The technician performed an audible knock check only (none heard) and cleared the code. The vehicle was found approximately 2.5 quarts low on oil due to an internal turbo oil leak. The dealer's notes state the code "may be related" to low oil â…
Jun 14, 2026Unknown or other
The infotainment center screen in my 2021 Kia Sportage is DELAMINATING. The uv gel adhesive that holds the screen is failing. This is a known widespread safety issue as many controls are handled through the infotainment touch screen as well as the screen displaying the back up camera visability. You should force Kia to fix this problem past 3 years /36000 miles! Please advise me.
Jan 1, 2026
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.