
Vehicle Overview
2025 GMC Sierra 1500 is a 5 to 6-seat PICKUP with gas powertrain. 2025 GMC Sierra 1500 offers 4WD; the exact drivetrain can change efficiency or capability, so the version matters.
- The lineup facts that frame this Guide are 7 published trims: Pro, SLE, SLT, AT4, AT4X, and Denali and AT4 ICE 4WD 10-speed automatic 305 hp. They establish the model-year scope without turning one trim or version into a claim about the whole 2025 GMC Sierra 1500 lineup.
- 7 published trims: Pro, SLE, SLT, AT4, AT4X, and Denali
- AT4 ICE 4WD 10-speed automatic 305 hp


















