2020 Kia Telluride: sudden loss of power

Filed Sep 24, 2026 · Engine · OH

My 2020 Kia Telluride experienced progressive and severe engine oil consumption that ultimately required a full engine replacement. Beginning well before the failure, the vehicle required frequent manual oil top-offs between scheduled changes, including on longer trips. No low-oil warning light, check-engine light, or oil-pressure warning ever illuminated to alert of critically low oil levels. In late March 2026 an independent service center replaced the engine oil filter housing and related gasket after an oil leak was observed; an axle damaged by oil spray was also replaced at that time. Shortly afterward the manufacturer issued a warranty extension covering oil-filter-housing gasket leaks on 2020–2025 Tellurides, extending coverage to 15 years/180,000 miles for that specific condition. Despite the housing/gasket repair, the excessive oil consumption continued. Several weeks later the vehicle lost power and broke down while being driven. It was towed to an authorized Kia dealership. Technicians inspected the vehicle, confirmed heavy oil consumption (noting the engine had been requiring large amounts of oil nearly weekly with no external ground leaks observed), and diagnosed catastrophic internal engine damage. They recommended complete engine replacement at a quoted cost exceeding $13,000. The dealership also inspected the oil-filter housing area under the recent warranty extension but determined the engine damage itself fell outside that limited coverage. The oil-consumption problem and resulting engine failure create a clear safety risk: sudden loss of power or stalling can occur without any dashboard warning, potentially while the vehicle is in motion on public roads. The failed engine and related components remain available for inspection. The condition has been confirmed by both an independent service center and an authorized Kia dealership. Similar oil-consumption and engine-damage reports have been widely noted among other owners of the same model.

Filed Sep 15, 2026 · Engine · IA

Loss of oil that is going out the heads and exhaust. This causes loss of power. Oil light doesn’t come on. This happened twice. Once in March and we took it to the dealership to have it fixed. Unfortunately, the issue wasn’t fixed and it happened again in August.

Filed Jun 30, 2026 · Electrical, Transmission · 100,000 miles · MO

The contact owns a 2020 Kia Telluride. The contact stated that while driving approximately 60-65 MPH on the highway, the vehicle suddenly shut off and the battery warning light was flickering and the vehicle lost power. The contact was able to coast the vehicle into a parking lot off the highway where the vehicle remained. The contact replaced the battery; however, approximately one hour later while driving 50-55 MPH on the highway, the vehicle lost power and shut off. The vehicle was coasted onto the shoulder of the roadway. The vehicle was towed to an independent mechanic where the vehicle was diagnosed with alternator failure. The alternator was replaced. The contact was notified of a possible transmission failure; however, there was no fault codes retrieved. The vehicle was later taken to a dealer to be diagnosed. The dealer informed the contact that the head gasket was damaged, and the spark plugs needed to be replaced. Additionally, the contact was informed that the transmission needed to be replaced. The manufacturer was not notified of the failure. The failure mileage was approximately 100,000.

Filed Jun 9, 2026 · Engine · TX

My 2020 Kia Telluride with the 3.8L V6 engine is experiencing excessive oil consumption between scheduled oil changes. The vehicle consumes a significant amount of engine oil without any visible external leaks. The oil level drops substantially between oil change intervals, requiring frequent monitoring and oil additions to prevent the engine from running low on oil. This condition creates a safety risk because the vehicle can operate with dangerously low oil levels without providing sufficient warning to the driver, increasing the risk of engine damage, engine failure, loss of power while driving, or a vehicle breakdown in traffic. A sudden loss of engine power could increase the risk of a crash. The condition has been observed repeatedly and is ongoing. No external oil leaks have been identified. The vehicle has been maintained according to manufacturer recommendations. The excessive oil consumption appears to be internal to the engine. The issue has been reported to and discussed with a Kia dealer. The problem is consistent and reproducible between oil changes. Prior to discovering the oil loss, there were no obvious symptoms other than the oil level decreasing significantly between service intervals. The issue was identified through routine oil level checks. I am concerned that this condition may affect a large number of vehicles equipped with the same engine and could result in engine failure or loss of power while driving.

Filed Jun 8, 2026 · Engine · MD

Vehicle experienced catastrophic engine failure while traveling approximately 70 mph on a highway. I heard a loud popping noise and immediately lost power. The vehicle would no longer accelerate normally and I was forced to pull over. White smoke was visible from the engine compartment, and a large amount of engine oil leaked from the vehicle. This failure created a safety risk because it occurred at highway speed, resulting in sudden loss of power while traveling with surrounding traffic. The vehicle required towing and could not be driven from the scene. Prior to the failure, the vehicle had exhibited symptoms beginning around May 11, 2026. A check engine light illuminated and an independent mechanic diagnosed a cylinder 3 misfire and replaced the ignition coil. Following that repair, the check engine light returned. Additional symptoms included stalling at idle, knocking noises from the engine, and intermittent oil pressure warning lights. The vehicle was subsequently inspected by an independent mechanic who diagnosed a thrown connecting rod with damage to the engine block, including a hole in the engine near the transmission area. The mechanic advised that the engine requires replacement. The damaged engine is currently available for inspection. The vehicle has not been inspected by the manufacturer. No injuries or crash occurred, but the sudden engine failure and loss of power at highway speed created a significant safety concern.

Filed Mar 16, 2026 · Engine, Fuel system · VA

Description of Defect: My 2020 Kia Telluride experienced catastrophic engine failure and excessive oil consumption, which is a known issue for this model year (to the point that I had to sell it just 1 year after I bought it). The vehicle consumes oil at an alarming rate without any dashboard warning lights, or low oil pressure indicators, leading to sudden loss of engine power and potential stalling while in motion. This failure occurred at 93,200 miles, well before the expected service life of the powertrain. Safety Risk: Sudden engine stalling or power loss while driving at highway speeds creates an immediate risk of rear-end collisions and leaves the driver without power steering or braking assistance. The lack of any 'Check Engine' or 'Low Oil' light prior to the mechanical crisis meant there was zero opportunity to safely maneuver off the road before the vehicle became disabled. Furthermore, excessive oil consumption in this engine type has been linked to potential fire risks under the hood. Failure/Incident Details: Despite following all manufacturer-recommended maintenance, the vehicle suffered a major [Engine/Transmission] failure. Kia America has acknowledged the failure but refuses to provide transparency or assistance, despite Technical Service Bulletins (TSB SA428 and TSB 089) existing for these exact powertrain issues. This represents a significant safety defect that puts my family and other drivers at risk.

Filed Feb 21, 2026 · Engine, Transmission · FL

Engine oil is disappearing in my 2020 Kia Telluride. This has been occurring for an extended period of time ( Since 2020) Early on, I was not driving frequently and did not immediately recognize the severity of the issue. However, about a year ago, when my work required significantly more driving, I began noticing that a large amount of oil was missing between checks, at times approximately half of the engine’s oil capacity. I initially suspected the plastic oil filter housing, which can crack or leak if it is over torqued during oil changes. To address that potential issue, I purchased an aluminum oil filter housing and had it installed. While that repair resolved one concern, it did not stop the ongoing oil loss. At times, when I check the dipstick, there is little to no oil registering, indicating the engine is operating on residual oil. When I remove the oil filler cap, smoke is visible coming from the opening. There are no signs of external leakage, no oil on the ground, and no oil leaking under the engine. This strongly suggests the engine is consuming oil internally. This is a serious safety concern. If the oil level drops unexpectedly while driving, the engine can suffer sudden damage, lose power, stall, or fail without warning. Because I regularly travel for work between Florida and Georgia, including highway driving, I now carry bottles of oil in the vehicle and feel compelled to monitor and top off oil frequently out of concern that the engine could fail or stall while driving, potentially leading to a crash, injury, or loss of life. Based on my research, I understand I am not the only Kia Telluride owner experiencing this type of abnormal oil consumption or unexplained oil loss.

Filed Feb 11, 2026 · Engine, Transmission · NY

I am the original owner of a 2020 Kia Telluride with 48,409 miles. My wife purchased it new. It has never been sold or transferred. It is fully covered under Kia's 10-year/100,000-mile Powertrain Warranty. What component failed and is it available for inspection? The engine is consuming excessive oil due to failed internal components—likely the piston rings. This has fouled the spark plugs and caused active misfires on cylinders 1,3,4,5. Codes: P0300, P0301, P0303, P0304, P0305. Kia acknowledges this defect in TSB ENG222, which defines consumption over 1 quart per 1,000 miles as abnormal. The failed components remain in the vehicle and are available for inspection. Has the problem been confirmed by a dealer? Yes. [Dealer Name] confirmed the misfire codes and excessive oil consumption. Despite being original owners with an active warranty, they refused to cover the repair. The advisor said they "only cover internal engine parts"—which is exactly what is broken. We were sent home with a flashing check engine light. Has it been inspected by manufacturer or others? No. Only the dealership. Kia Corporate has not inspected it. How was safety put at risk? A solid check engine light means active misfire and risk of sudden engine stall or seizure. Other Telluride owners report complete power loss on highways and intersections—no acceleration, no power steering, no power brakes. My wife and children drive this car. I fear for their safety every time they start the engine. Were there warning symptoms? Yes. Two weeks before the check engine light appeared, I noticed a slight shudder during acceleration that gradually worsened. The light came on solid, then began flashing within days. No oil light appeared. No other warnings. Kia advertised a 10-year/100,000-mile warranty. At 48,409 miles, they denied coverage for a known, documented defect. That is not a warranty. Not true. I request an investigation into the 2020 Telluride 3.8L engine. Thank you

Filed Nov 6, 2025 · Engine · SC

My 2020 Kia Telluride has undergone three separate oil consumption tests through an authorized Kia dealership. Each test confirmed abnormal oil consumption, yet Kia declined to take corrective action beyond temporary monitoring. The issue has continued to worsen. The engine is now burning oil on the piston, and I am required to check my oil level daily and add oil weekly, even after a fresh oil change. This is not routine maintenance — it is a direct result of a defective engine design that is unable to properly retain or burn oil within acceptable limits. Because the oil burns so quickly, the oil light can appear unexpectedly while driving, creating a dangerous situation if the oil level drops too low. This poses a serious risk of engine seizure or power loss, which could lead to a crash or leave the driver stranded on the road. Manufacturer Response: Kia has acknowledged that the vehicle has a confirmed oil consumption issue but has refused to replace the engine because it is outside of warranty coverage. Instead, the dealership advised me to trade in the vehicle and purchase a new Kia, which is not an acceptable solution. When I questioned this suggestion, I was told that Kia could not guarantee the new vehicle would be free of oil consumption problems because the issue is related to the engine design itself. In other words, Kia is aware of a recurring engine defect but is not providing a remedy for affected vehicles. This is a manufacturer defect that should not be dismissed due to warranty expiration. The repeated documentation of abnormal oil use demonstrates that this problem began long before the warranty period ended. This defect represents a serious safety issue for the following reasons: 1.Risk of engine failure: The Telluride can lose oil rapidly, causing the engine to seize or stall while in motion. 2.Fire hazard: Burning oil within the pistons increases the risk of internal engine fire or smoke. 3.Environmental impact: Constantly burning oil .

Filed Oct 22, 2025 · Engine · CA

The vehicle began burning oil around 61,000 miles, shortly after the 5-year/60,000-mile powertrain warranty period ended. The issue was confirmed by an independent mechanic, who identified leaking lower engine seals and excessive oil consumption. The mechanic advised that the engine will likely need replacement due to internal seal failure. This condition presents a potential safety risk if oil levels drop unexpectedly, leading to engine seizure or loss of power while driving. There were no dashboard warning lights or messages prior to discovering the problem; the only symptom was an oil smell and the dipstick reading consistently below normal levels between changes. The problem has been confirmed by an independent mechanic. The vehicle has been regularly maintained according to the manufacturer’s service schedule. The manufacturer has declined to offer assistance, citing warranty expiration and second-owner status, despite the failure occurring only 1,000 miles past coverage and appearing consistent with a latent manufacturing defect. The vehicle and documentation remain available for inspection upon request.

Filed Jul 1, 2025 · Engine · NY

Had in deals hop several times was told it was on record I was there with the issue but no light on, light came on during travel on interstate and car lost all power Long block blew . Was extremely lucky I didn’t get ran over by the tractor trailers . Loaded car with kids included . Kia should be reasonable for everything and they are saying no .

Filed Dec 14, 2024 · Driver assistance, Electrical · ID · fire

OCTOBER 2024 Before the main incident Oct 2024, I started noticing slight changes in the way my KIA was operating: - Delayed response to accelerate when at a light - Tire sensors/ crash collision sensors - Lane assist pulling my off the road or into on coming traffic (random) - Intermittent Power loss while driving. - Lights not working properly. - High beams failed to operate in Sept and was told by Burlington WA KIA there was not a fix for the recall, while there for service/oil change. - Car going into parking brake when not activated. - When stopped in car is in drive, when starting to accelerate the car went in reverse causing me to hit a stump and partially tearing front bumper off. About a week after that incident I was driving home from store and car started randomly pulling car into oncoming lane. Thankfully there was not a vehicle at that time. Car then started having weird fluctuations with speedometer and dash info. Went from 24.7 miles to gal to 38 and kept jumping, experienced more instances of power loss while in drive. Then all of sudden dashboard went haywire. Whole dash lit up and was switching from different drive modes. I started noticing an electrical burning smell and smoke coming from hood. I pulled over not even a mile from home and started to pull everything important from vehicle. Think the car was on fire under the hood. After several minutes of accessing the situation and smoke dissipated, I decided to try and get car home. As I put car in drive it again went in reverse. I put car in park again and then drive and was able to proceed and limp car home. I parked car and took video of the dash light party and video of putting car in drive and it changing randomly. There still was an electrical burn smell on outside and in cab of vehicle. When my husband arrived home I tried to start vehicle to show him and it wouldn't start. So, he thought maybe the battery fried and took bat in to Napa and bought a new battery.