Safety Score
70
Average
Recalls
0
Complaints
50
NCAP Stars
—
Recalls (0)
No recalls found for the 2021 GMC Yukon.
Owner Complaints (showing up to 50)
| Date | Component | Crash | Injuries | Summary |
|---|---|---|---|---|
| 2026-04-14 | VEHICLE SPEED CONTROL | No | 0 | 2021 Yukon Denali. Inspected by dealer under recall. Passed dealership test and new oil viscosity adjustment completed … |
| 2026-04-04 | POWER TRAIN | No | 0 | Loss of power while driving on highway, would not speed up. Shaky driving. Appeared to go into limp mode. Dealer inform… |
| 2026-03-20 | ENGINE | No | 0 | ngine seized (according to GMC dealership service department). I was driving 75mph down the highway and the car shut do… |
| 2026-03-14 | ENGINE | No | 0 | The contact owns a 2021 GMC Yukon. The contact stated that while driving at various speeds, the vehicle shuddered abnor… |
| 2026-03-10 | POWER TRAIN | No | 0 | I was pulling out of my driveway when I noticed that my mailbox was blown open from a recent storm. I stopped and put i… |
| 2026-03-06 | ENGINE AND ENGINE COOLING | No | 0 | The contact's daughter owns a 2021 GMC Yukon. While the owner was driving at an undisclosed speed, there was an abnorma… |
| 2026-03-06 | ENGINE | No | 0 | Exhaust fumes and stink on cold start . vehicle only has 40,000 mi and I have exhaust smells coming in through hvac sys… |
| 2026-03-05 | ENGINE | No | 0 | Engine shut down in 2022 due to faulty lifters. Repairs were made. Same problem again in 2026. |
| 2026-03-01 | ENGINE | No | 0 | My vehicle started making a weird noise and when I took it to the shop, they told me my crankshaft has gone bad and I w… |
| 2026-02-27 | ENGINE | No | 0 | I had just pulled off from street light, hit button to turn auto engine shutoff off, all of sudden I lose power as if I… |
| 2026-02-21 | POWER TRAIN | No | 0 | My 2021 GMC Yukon suffered the same engine failure that is the subject of the recall. It has just over 70,000 miles. I'… |
| 2026-02-06 | SUSPENSION | No | 0 | Air bag suspension does not work in sub freezing temperatures. Vehicle bounces up and down excessively and is extremely… |
| 2026-01-27 | ENGINE | No | 0 | The engine has started using large quantities of oil. Not dripping oil, burning oil. I have been doing oil consumption … |
| 2026-01-24 | SUSPENSION | No | 0 | In 2024, while the vehicle was still under warranty, we brought it to our GM dealer due to an air suspension fault. The… |
| 2026-01-18 | ENGINE | No | 0 | Loss of power while driving, no warnings, no lights on dash, no unusual noises, and no codes. The Yukon just randomly … |
| 2026-01-16 | ENGINE | No | 0 | Internal engine failure Car just shut off on expressway, putting the safety of my husband and child at risk. Waiting f… |
| 2026-01-10 | ENGINE | No | 0 | Engine is leaking alot of oil from crankshaft..I was informed there was a recall on the same type and years for the pro… |
| 2026-01-09 | ENGINE | No | 0 | I have a 2021 GMC Yukon with 74,000 miles I was recently told I need a new transmission.I am am trying to understand wh… |
| 2026-01-09 | ENGINE | No | 0 | I was driving down the highway at normal speeds under normal conditions and the engine light came on and started flashi… |
| 2026-01-05 | ENGINE | No | 0 | I habe a 2021 Yukon Denali and i have had engine failure on the road. Lifter issues and rod issues. i have paid out of … |
| 2026-01-05 | ENGINE | No | 0 | 2 days after the delearship changed my oil to a heavier weight, my engine began knocking. I’m told the rod is bent but … |
| 2026-01-04 | POWER TRAIN | No | 0 | On [XXX] driving to Denver the 52,000 mile yukon started making a clicking sound when accelerating on the interstate. T… |
| 2026-01-02 | ENGINE | No | 0 | I was driving and a message popped up "Service Traction Control", then another message popped up "Forward Collision Sys… |
| 2025-12-30 | ENGINE | No | 0 | NHTSA Team, I am the current owner of a 2021 GMC Yukon Denali (VIN: [XXX] ) with the 6.2L L87 V8. At approximately 148… |
| 2025-12-29 | ENGINE | No | 0 | Driving the vehicle on the highway when I started to hear a ticking sound from the engine. After a few minutes, the ch… |
| 2025-12-27 | POWER TRAIN | No | 0 | I live in Alaska. It was -13f. We were out and about and when I tried to leave and back up, the vehicle would not go in… |
| 2025-12-26 | ELECTRICAL SYSTEM | No | 0 | The vehicle shifted into Neutral while driving, locked out gear selection, triggered a transmission warning, and now wi… |
| 2025-12-25 | ENGINE | No | 0 | On Christmas Day while driving on the highway, I noticed a ticking sound coming from the engine. Our 21 Yukon Denali ju… |
| 2025-12-22 | ENGINE | No | 0 | traction control system ESC system Suddenly and without warning, multiple warning lights started flashing including che… |
| 2025-12-15 | ENGINE | No | 0 | I had the 25v-274 recall serviced at my GM Dealer and was never provide with any paperwork on the extended warranty tha… |
| 2025-12-12 | ENGINE | No | 0 | Freedom, tire and automotive Inc. advised my 6.2LV8 engine has failed due to metal debris found in the new oil, indicat… |
| 2025-12-09 | POWER TRAIN | No | 0 | Clicking/rubbing noise when turning slowly. Rear differential issue diagnosed by dealer. |
| 2025-12-01 | AIR BAGS | Yes | 1 | Vehicle: 2021 GMC Denali Mileage: ~48,000 miles Purchase Price: $62,000 Issue: Airbags & crash sensors failed to deploy… |
| 2025-12-01 | POWER TRAIN | No | 0 | After noticing a "groaning/moaning" sound from the vehicle when turning sharp at low speeds the vehicle was brought int… |
| 2025-11-22 | ENGINE | No | 0 | I got 3 messages on the dash going off simultaneously 1. Service Traction Control System 2. Forward Collision System u… |
| 2025-11-14 | ENGINE | No | 0 | On November 14,2025 my engine failed on the highway going 80 mph to 0 mph in the passing lane. Almost caused a major ac… |
| 2025-11-08 | ENGINE | No | 0 | While driving vehicle on 11/08/2025, vehicle made a popping noise and loss power. We were out of town and had to pay o… |
| 2025-11-07 | ENGINE | No | 0 | I’m not happy with just a change in oil viscosity because the car has already been on the road for 70000 miles before w… |
| 2025-11-05 | FUEL SYSTEM, GASOLINE | No | 0 | The contact owns a 2021 GMC Yukon. The contact stated while driving at an undisclosed speed, the vehicle lost motive po… |
| 2025-11-04 | ELECTRICAL SYSTEM | No | 0 | Electronics- module went out @40,000 brand new car Drive train teal differential went out |
| 2025-10-29 | UNKNOWN OR OTHER | No | 0 | I own a 2021 GMC Yukon Denali XL with approximately 81,000 miles. On 4 separate occasions, after coming to a complete … |
| 2025-10-15 | ENGINE | No | 0 | Engine failure |
| 2025-10-08 | POWER TRAIN | No | 0 | While my wife was driving to pickup my son from school, the vehicle was stopped at a stoplight and the engine turned of… |
| 2025-10-06 | SERVICE BRAKES | No | 0 | The contact owns a 2021 GMC Yukon. The contact stated while driving at an undisclosed speed, the engine seized. The bra… |
| 2025-10-03 | AIR BAGS | No | 0 | “Service safety restraint” light comes on and the dealership cannot pin point exactly what the issue is without taking … |
| 2025-10-01 | ENGINE | No | 0 | At the time an oil change is needed, there is a warning light that says "low oil pressure and low oil." There also has… |
| 2025-09-28 | ENGINE AND ENGINE COOLING | No | 0 | See attached document for complaint. On [XXX], I purchased a certified pre-owned 2021 GMC Yukon Denali for $85,481.76.… |
| 2025-09-23 | UNKNOWN OR OTHER | No | 0 | Multiple people including my family are experiencing leaks in 2021 and newer GMC Yukons and Chevy tahoes. The back seat… |
| 2025-09-20 | FUEL/PROPULSION SYSTEM | No | 0 | My vehicle fuel pump control module has failed. GMC has an open recall for my year, make and model however claims that … |
| 2025-09-19 | FUEL/PROPULSION SYSTEM | No | 0 | Vehicle would not start. Vehicle was towed to GMC dealership for inspection. Vehicle diagnosed with "Fuel Pump Driver… |