2018 GMC Sierra 1500 electrical system problems
43 complaints about electrical system have been filed for the 2018 GMC Sierra 1500, which is 10% of all its NHTSA complaints.
At a glance
- Complaints
- 43 10% of this year's complaints
- Crashes and fires
- 0 and 1
- Injuries and deaths
- 0 and 0
Source: NHTSA owner complaints
What the data shows
These complaints mention 1 fire.
What owners wrote
On February 10, 2025 the vehicle, a 2018 GMC Sierra, caught on fire while parked in the driveway of my home. The vehicle had last been driven earlier in the day with a return to home at approximately 12:45pm. At approximately 7pm I heard a loud pop outside of my home and saw orange light coming through the front windows. Upon going outside, I found the rear of the vehicle engulfed in flames.
Odometer Fraud. The contact purchased a 2018 GMC Sierra 1500. The contact discovered that there was a mileage discrepancy after the purchase. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 72,000. It was later discovered later that the mileage was 241,556.
Other problems reported for the 2018 GMC Sierra 1500
- Drivetrain & axles 129 complaints
- Engine 73 complaints
- Brakes 44 complaints
- Steering 30 complaints