8-Speed TorqueFlite Automatic (DFD)
8-Speed TorqueFlite Automatic (DFD) -inc: Active Grille Shutters, Electronic Shift
6-Speed Automatic (DISC) NO LONGER AVAILABLE as standard equipment as of June 7, 2018.
6-Speed Automatic
8-Speed TorqueFlite Automatic (DFD) (DISC)
8-Speed TorqueFlite Automatic (DFK) (DISC) NO LONGER AVAILABLE for factory ordering as of January 26, 2018.
8-Speed TorqueFlite Automatic (DFL) (DISC) NO LONGER AVAILABLE as standard equipment as of June 7, 2018.
8-Speed TorqueFlite Automatic (DFD) -inc: Active Grille Shutters, Electronic Shift (DISC)
8-Speed TorqueFlite Automatic (DFK) -inc: Electronic Shift
8-Speed TorqueFlite Automatic (DFL)
8-Speed TorqueFlite Automatic (DFD) -inc: Active Grille Shutters, Black Rotary Shifter, Electronic Shift
8-Speed TorqueFlite Auto (DFD) -inc: Active Grille Shutters, Black Rotary Shifter, Electronic Shift
Engine, 4.3L EcoTec3 V6 (285 hp [212 kW] @ 5300 rpm, 305 lb-ft of torque [413 Nm] @ 3900 rpm) (Requires (MYC) 6-speed automatic transmission.)
Transmission, 6-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Included and only available with (LV3) 4.3L EcoTec3 V6 engine or (L82) 5.3L EcoTec3 V8 engine.)
Transmission, 8-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking
Transmission, 8-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Included and only available with (L84) 5.3L EcoTec3 V8 engine.)
Cooling, auxiliary external transmission oil cooler
Cooling, auxiliary external transmission oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)