6-Speed SelectShift Automatic -inc: shifter button activation
6-Speed Automatic w/SelectShift -inc: paddle shifters
Transmission, 6-speed automatic, electronically controlled with overdrive, tow/haul mode and tap up/tap down shifting
Cooling, auxiliary external transmission oil cooler, heavy-duty air-to-oil
Transmission, 8-speed automatic electronically controlled with overdrive, tow/haul mode and tap up/tap down shifting