Transmission, 6-speed automatic (Included and only available with (LCV) 2.5L I4 engine or (LWN) 2.8L Duramax Turbo-Diesel engine.)
Transmission, 6-speed automatic (Included and only available with (LCV) 2.5L I4 engine.)
Transmission, 8-speed automatic (Included and only available with (LGZ) 3.6L DI DOHC V6 engine.)
9-Speed Automatic -inc: grade logic control