2018 GMC Sierra 1500 drivetrain & axles problems
Owners reported drivetrain & axles problems in 129 complaints for the 2018 GMC Sierra 1500, 30% of the complaints on file. It is the most reported problem area for this model year.
At a glance
- Complaints
- 129 30% of this year's complaints
- Typical mileage
- 29,000 miles 56 complaints with mileage
- Crashes and fires
- 4 and 0
- Injuries and deaths
- 3 and 0
Source: NHTSA owner complaints
When drivetrain & axles problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 20 |
| 20k to 40k miles | 14 |
| 40k to 60k miles | 8 |
| 60k to 80k miles | 3 |
| 80k to 100k miles | 5 |
| 100k to 120k miles | 2 |
| 120k to 140k miles | 3 |
| 140k to 160k miles | 1 |
| 160k to 180k miles | 0 |
| 180k to 200k miles | 0 |
| 200k+ miles | 0 |
What the data shows
Of the 56 drivetrain & axles complaints that report mileage, the median is about 29,000 miles, and 75% were reported before 60,000 miles.
These complaints mention 4 crashes, 3 injuries.
What owners wrote
Hard changes with transmission like a car has hit you from behind. It has had a hit in the transmission changing gears since 15,000 miles but it has progressively gotten worse and at 67k it’s enough to knock you to change steering direction.
The contact owns a 2018 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle jerked abnormally hard. No warning lights were illuminated. The vehicle was taken to the dealer, where it was diagnosed with transmission failure. The contact was informed that the transmission needed to be replaced. The vehicle was repaired; however, the failure reoccurred. The vehicle was taken to the dealer, where it was diagnosed and determined that the transmission was failing.
Other problems reported for the 2018 GMC Sierra 1500
- Engine 73 complaints
- Brakes 44 complaints
- Electrical system 43 complaints
- Steering 30 complaints