2008 GMC Sierra 1500 engine problems
19 owner complaints filed with NHTSA name the engine on the 2008 GMC Sierra 1500 — 5% of all complaints for this model year.
What owners report
“The contact owns a 2008 GMC Sierra 1500. The contact stated that while driving at approximately 30 MPH and towing a camper, the vehicle began to bounce while navigating curves. The traction control warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed…”
filed Aug 27, 2026
“I was driving from lufkin to hemphill at 70 mph. Something blew up, I thought something hit me. Engine died, brakes started, emergency lights came on, and seatbelt locked down, truck stopped, I got out to see what hit me. Nothing! When I got back in the truck a white powder (not smoke) was coming…”
filed Apr 15, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Sierra 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Sierra 1500 | 74 | 67% |
| 2025 Sierra 1500 | 52 | 45% |
| 2024 Sierra 1500 | 180 | 51% |
| 2023 Sierra 1500 | 204 | 44% |
| 2022 Sierra 1500 | 236 | 40% |
| 2021 Sierra 1500 | 299 | 53% |
| 2020 Sierra 1500 | 231 | 50% |
| 2019 Sierra 1500 | 299 | 47% |
| 2018 Sierra 1500 | 65 | 22% |
| 2017 Sierra 1500 | 58 | 16% |
| 2016 Sierra 1500 | 38 | 11% |
| 2015 Sierra 1500 | 83 | 12% |
Other reported problem areas on the 2008 GMC Sierra 1500
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.