2020 GMC Sierra 1500 engine problems
263 complaints about engine have been filed for the 2020 GMC Sierra 1500, which is 37% of all its NHTSA complaints. It is the most reported problem area for this model year.
At a glance
- Complaints
- 263 37% of this year's complaints
- Typical mileage
- 65,000 miles 62 complaints with mileage
- Crashes and fires
- 3 and 1
- Injuries and deaths
- 0 and 0
Source: NHTSA owner complaints
When engine problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 14 |
| 20k to 40k miles | 4 |
| 40k to 60k miles | 9 |
| 60k to 80k miles | 9 |
| 80k to 100k miles | 10 |
| 100k to 120k miles | 5 |
| 120k to 140k miles | 8 |
| 140k to 160k miles | 1 |
| 160k to 180k miles | 2 |
| 180k to 200k miles | 0 |
| 200k+ miles | 0 |
What the data shows
Of the 62 engine complaints that report mileage, the median is about 65,000 miles, and 44% were reported before 60,000 miles.
These complaints mention 3 crashes, 1 fire.
What owners wrote
The contact owned a 2020 GMC Sierra 1500. The contact stated that after the vehicle was purchased and while driving at an undisclosed speed, the check engine warning light illuminated. The dealer was contacted. However, the check engine light turned off, and the dealer refused to inspect the vehicle. The contact stated that while driving at an undisclosed speed, the vehicle jerked and the check engine light illuminated. The dealer was contacted.
Smell of smoke strong in the cab and outside hood of truck. Also have seen smoke coming from hood of truck. Smells like burning electrical or plastic
Other problems reported for the 2020 GMC Sierra 1500
- Drivetrain & axles 97 complaints
- Electrical system 81 complaints
- Brakes 55 complaints
- Steering 37 complaints
- Fuel system 27 complaints
- Forward collision avoidance 18 complaints
- Suspension 18 complaints
- Wipers, windshield & visibility 15 complaints