Engine, 2.7L TurboMax (310 hp [231 kW] @ 5600 rpm, 430 lb-ft of torque [583 Nm] @ 3000 rpm) (Includes (KW5) 220-amp alternator and (MFC) 8-speed automatic transmission. Not available with (X31) X31 Off-Road Package or (NHT) Max Trailering Package.)
Transmission, 8-speed automatic, (Column shifter) electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Standard and only available with (L3B) 2.7L TurboMax engine.)
Transmission, 10-speed automatic, (Column shifter) electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking
Cooling, auxiliary external transmission oil cooler (Not available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
Transmission, 10-speed automatic with Electronic Precision shift, electronically controlled with overdrive, tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking
Transmission, 10-speed automatic with Electronic Precision shift, electronically controlled with overdrive, and tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking
Transmission, Allison 10-Speed automatic
Cooling, auxiliary external transmission oil cooler