Transmission, 6-speed automatic (Standard on Crew Cab Short Box and Extended Cabs models.)
Transmission, 6-speed automatic (Included with (LCV) 2.5L I4 engine or (LWN) 2.8L Duramax Turbo-Diesel engine.)
Transmission, 8-speed automatic
Transmission, 8-speed automatic (Standard on Crew Cab Long Box models. Requires (LGZ) 3.6L DI DOHC V6 engine.)
Transmission, 8-speed automatic (Standard on Crew Cab Long Box model T2U43 with (LGZ) 3.6L DI DOHC V6 engine. Requires (LGZ) 3.6L DI DOHC V6 engine.)
Transmission, 6-speed automatic
Transmission, 8-speed automatic (Requires (LGZ) 3.6L DI DOHC V6 engine.)
Electronic 10-Speed SelectShift Auto