AT4 Crew Cab Short Box 4-Wheel Drive AT4
2020 GMC Sierra 1500 AT4 Crew Cab – Short Box, 4‑Wheel Drive
Built in 2020, this GMC Sierra 1500 AT4 features a 5.3 L EcoTec3 V8 engine (355 hp / 383 lb‑ft torque) paired with a 10‑speed automatic transmission. It’s a four‑wheel‑drive (4 x 4) model with automatic (auto) transmission and a crew‑cab short‑box body style.
This well‑maintained 2020 GMC Sierra 1500 AT4 offers the blend of powerful performance, advanced safety features, and luxurious interior that drivers love. With low mileage and a dealer‑backed listing, it’s ready for both daily commuting and weekend adventures. Contact the dealer for a test drive today!
SLT · 2026
Elevation · 2026
Denali · 2026
Denali · 2026
Denali · 2025
Denali · 2026
2026