Automatic all wheel drive with 2wd, and 4wd lock modes and low gear. Based on Tahoe/Yukon/Denali platform. NVG 246 "AutoTrac" four wheel drive system. 2Hi, Auto 4wd (100% of torque is transferred to rear wheels until it detects a need for extra traction. Dry multi-plate clutch is used to transfer torque to the front), 4Hi (50/50 split - dry multi-plate clutch is locked), 4Lo (2.72:1 low range gear). All 4wd modes are button activated.
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STS AWD, SRX AWDTop
Full-time all wheel drive system with free differentials.
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