2021 GMC Yukon problems and complaints
Owners have filed 347 complaints with NHTSA about the 2021 GMC Yukon. The most-reported areas: Engine (190), Power Train (55), Fuel/Propulsion System (45).
Key takeaways
- 347 owner complaints on file with NHTSA.
- 9 involve a crash, 0 a fire, 9 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 190 | 55% |
| Power Train | 55 | 16% |
| Fuel/Propulsion System | 45 | 13% |
| Engine And Engine Cooling | 33 | 10% |
| Electrical System | 31 | 9% |
| Unknown Or Other | 22 | 6% |
| Forward Collision Avoidance | 19 | 5% |
| Air Bags | 18 | 5% |
| Service Brakes | 12 | 3% |
| Fuel System | 12 | 3% |
| Gasoline | 12 | 3% |
| Steering | 11 | 3% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2021 GMC Yukon
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Oil filter
- Engine air filter
- Wiper blades
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| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2021 GMC Yukon SUV 4WD | 4/5 | 4/5 | 5/5 | 3/5 |
| 2021 GMC Yukon SUV 2WD | 4/5 | 4/5 | 5/5 | 3/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Exterior Lighting - filed 2026-11-04
My driver side headlamp went out while driving. The amber turn signal light remained on after I shut the engine off. This made my battery die. The headlamp is full of condensation and none of the lights are working. I had to replace the battery and have been told by GM that they've had many complaints but aren't issuin...
Engine And Engine Cooling - filed 2026-11-04
The contact owns a 2021 GMC Yukon. The contact stated that while her husband was inspecting the vehicle, he discovered that there was no oil in the engine. The vehicle was taken to the dealer where it was confirmed that the engine was consuming an excessive amount of engine oil after performing an oil consumption test....
Fuel/Propulsion System - filed 2026-10-28
While stopped in a parking lot. I returned my vehicle to drive home, and the car would not start. I had it towed to the dealer. They did a diagnostic inspection for "crank-no-start ". Two trouble codes: P0340 intake single camshaft ignition sensor circuit and P00C6- fuel rail pressure load during engine cranking. Perf...
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More for the 2021 GMC Yukon
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.