# 2021 GMC SIERRA 1500 — ENGINE
> NHTSA complaint `2087254` · 2025-04-29 · General Motors, LLC
## Severity
- **Deaths:** 0
- **Injured:** 0
- **Fire:** Yes
- **Crash:** No
- **Police report:** No
- **Medical attention:** No
- **Vehicle towed:** No
## Vehicle
- **Make:** GMC
- **Model:** SIERRA 1500
- **Year:** 2021
- **Manufacturer:** General Motors, LLC
- **Component:** ENGINE
- **Speed:** 65 mph
## Narrative
First engine blown 31,904 miles, Lifter failure. Replaced with re-manufactured engine. Second engine failure at 68,000 miles, Piston rod failure. Piston blew thru engine block and engine bay caught on fire.
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*Source: [NHTSA ODI](https://www-odi.nhtsa.dot.gov/downloads/) · AI Analytics · CC0 1.0*