2021 GMC Sierra 1500 drivetrain & axles problems
Owners reported drivetrain & axles problems in 144 complaints for the 2021 GMC Sierra 1500, 17% of the complaints on file. It is the 2nd most reported problem area for this model year.
At a glance
- Complaints
- 144 17% of this year's complaints
- Typical mileage
- 66,000 miles 23 complaints with mileage
- Crashes and fires
- 0 and 0
- Injuries and deaths
- 0 and 0
Source: NHTSA owner complaints
When drivetrain & axles problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 3 |
| 20k to 40k miles | 5 |
| 40k to 60k miles | 1 |
| 60k to 80k miles | 5 |
| 80k to 100k miles | 2 |
| 100k to 120k miles | 5 |
| 120k to 140k miles | 2 |
| 140k to 160k miles | 0 |
| 160k to 180k miles | 0 |
| 180k to 200k miles | 0 |
| 200k+ miles | 0 |
What the data shows
Of the 23 drivetrain & axles complaints that report mileage, the median is about 66,000 miles, and 39% were reported before 60,000 miles.
None of the drivetrain & axles complaints mention a crash, fire, injury or death.
What owners wrote
Transmission shifts hard when shifting up and when downshifting. Vehicle jerks when going speeds <40 after coming off highway at highway speeds >70.
The contact owns a 2021 GMC Sierra 1500. The contact stated while driving at various speeds, there was a whining sound coming from the transmission. The vehicle was taken to the local dealer who diagnosed and determined that the transmission was faulty and needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure and informed the contact that the vehicle was not covered under the Extended Warranty for the failure. The failure mileage was 86,000.
Other problems reported for the 2021 GMC Sierra 1500
- Engine 370 complaints
- Electrical system 78 complaints
- Fuel system 43 complaints
- Steering 34 complaints
- Brakes 25 complaints