GMC Sierra 1500 AT4 4×4 Crew Cab Pickup, 2021 – 6.2L V8

Well-equipped 2021 GMC Sierra 1500 AT4 4×4 pickup with premium interior, factory off-road suspension, and strong towing capability, built to handle both daily driving and demanding jobsite or recreational use.

Manufacturer: GMC
Model: Sierra 1500 AT4
Year: 2021
Configuration: Full-Size Crew Cab 4×4 Pickup
Drive Type: 4WD
Trim: AT4
Engine Options: 5.3L EcoTec3 V8, available 6.2L EcoTec3 V8, or available 3.0L Duramax Turbo-Diesel depending on build.
Transmission: 10-speed automatic on common AT4 configurations.
Suspension: 2-inch factory-installed suspension lift on AT4.
Cab Style: Crew Cab
Bed Length: Commonly short bed / 5’10” box on Crew Cab AT4 listings.
Seating Capacity: 5 passengers.
Max Towing Capacity: Up to approximately 13,000+ lbs when properly equipped; exact rating depends on engine, axle ratio, cab, bed, and package.
Payload Capacity: Roughly 1,500+ lbs depending on configuration.
72,107 Miles