Base Cab & Chassis 2-Door 21 Base Cab & Chassis 4-Door 21 Base Crew Cab Pickup 4-Door 21 Base Extended Cab Pickup 2-Door 21 Base Standard Cab Pickup 2-Door 21 High Sierra Cab & Chassis 2-Door 21 High Sierra Cab & Chassis 4-Door 21 High Sierra Crew Cab Pickup 4-Door 21 High Sierra Standard Cab Pickup 2-Door 21 Sierra Classic Cab & Chassis 2-Door 21 Sierra Classic Cab & Chassis 4-Door 21 Sierra Classic Crew Cab Pickup 4-Door 21 Sierra Classic Standard Cab Pickup 2-Door 21 Sierra Grande Cab & Chassis 2-Door 21 Sierra Grande Cab & Chassis 4-Door 21 Sierra Grande Crew Cab Pickup 4-Door 21 Sierra Grande Standard Cab Pickup 2-Door 21