2025 Gmc Sierra
Specs, fuel economy, oil capacity, recalls, and reliability for the 2025 Gmc Sierra.
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What's on this 2025 Gmc Sierra page
- Gmc Sierra engine specs and horsepower
- EPA fuel economy for the 2025 Sierra — city, highway, and combined MPG
- Oil capacity and recommended viscosity for the Sierra
- Active NHTSA safety recalls and technical service bulletins
- Reliability score and commonly reported Sierra issues
- Towing & payload ratings (for Gmc trucks and SUVs)
- Manufacturer maintenance schedule by mileage
Other Gmc Sierra model years
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For developers
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