2018 GMC Sierra 1500 engine problems
73 complaints about engine have been filed for the 2018 GMC Sierra 1500, which is 17% of all its NHTSA complaints. It is the 2nd most reported problem area for this model year.
At a glance
- Complaints
- 73 17% of this year's complaints
- Typical mileage
- 59,000 miles 25 complaints with mileage
- Crashes and fires
- 0 and 0
- Injuries and deaths
- 0 and 0
Source: NHTSA owner complaints
When engine problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 4 |
| 20k to 40k miles | 3 |
| 40k to 60k miles | 6 |
| 60k to 80k miles | 4 |
| 80k to 100k miles | 2 |
| 100k to 120k miles | 1 |
| 120k to 140k miles | 2 |
| 140k to 160k miles | 2 |
| 160k to 180k miles | 1 |
| 180k to 200k miles | 0 |
| 200k+ miles | 0 |
What the data shows
Of the 25 engine complaints that report mileage, the median is about 59,000 miles, and 52% were reported before 60,000 miles.
None of the engine complaints mention a crash, fire, injury or death.
What owners wrote
Fuel injection seals #4 o-ring split - leaking fuel - pooling gas on manifold. Took vehicle in for smell of gas, lack of acceleration and poor gas mileage. This is known issue based on the service bulletin 18-na-137 - vehicle has less than 6000 miles
The contact owns a 2018 GMC Sierra LD. The contact stated the vehicle experienced jerking and shaking. The contact also stated when the accelerator pedal was applied, the vehicle made a loud noise and lunged. There were no warning lights illuminated. The vehicle was taken to the dealer where a transmission flush and an alignment were performed. However, the contact stated the failure persisted. The manufacturer was notified of the failure and a complaint was filed. The failure mileage was approximately 30,000.
Other problems reported for the 2018 GMC Sierra 1500
- Drivetrain & axles 129 complaints
- Brakes 44 complaints
- Electrical system 43 complaints
- Steering 30 complaints