2018 GMC Yukon problems and complaints
Owners have filed 70 complaints with NHTSA about the 2018 GMC Yukon. The most-reported areas: Engine (27), Power Train (18), Suspension (8).
Key takeaways
- 70 owner complaints on file with NHTSA.
- 2 involve a crash, 0 a fire, 2 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 27 | 39% |
| Power Train | 18 | 26% |
| Suspension | 8 | 11% |
| Unknown Or Other | 8 | 11% |
| Service Brakes | 5 | 7% |
| Electrical System | 4 | 6% |
| Steering | 4 | 6% |
| Vehicle Speed Control | 3 | 4% |
| Air Bags | 3 | 4% |
| Fuel/Propulsion System | 2 | 3% |
| Exterior Lighting | 2 | 3% |
| Wheels | 2 | 3% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2018 GMC Yukon SUV RWD | 4/5 | 5/5 | 5/5 | 3/5 |
| 2018 GMC Yukon SUV 4WD | 4/5 | 5/5 | 5/5 | 3/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Electrical System - filed 2026-10-13
Odometer Fraud. The contact owns a 2018 GMC Yukon. It was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the vehicle mileage was 72,499. After three months, the vehicle experienced an engine failure, and a worker at a third-party automotive parts distributo...
Engine - filed 2026-05-13
I started my vehicle and as I accelerated I started to hear a knocking noise. The vehicle and engine have been inspected by the dealership. The problem has also been confirmed by the dealership.There were no warning lights or messages before the knocking noise started.
Power Train,engine - filed 2026-04-13
The 2018 Yukon has been at the dealership several timeswaiting for a valve body for the transmission. There are valve body recalls for other year GM vehicles with the same transmission, but not for the 2018 model even though it appears to be the same part number. I don’t understand how this 2018 model apart of the rec...
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More for the 2018 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.