ZF 8-Speed Automatic (8HP45)
ZF 8-Speed Automatic (8HP76)
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