8-Speed ZF 8HP45 Automatic
8-Speed ZF 8HP76 Automatic
Transmission, 10-speed automatic electronically controlled with overdrive, tow/haul mode and tap up/tap down shifting (Standard with (L87) 6.2L V8 engine only.)
Cooling, external transmission oil cooler, heavy-duty air-to-oil
Transmission, 10-speed automatic electronically controlled with overdrive, tow/haul mode and tap up/tap down shifting