Under the Hood
The Yukon is available with either rear- or four-wheel drive. The Yukon Denali can have an all-wheel-drive system that's distinct from the available part-time four-wheel drive on the regular Yukon.
When properly equipped, the Yukon can tow up to 8,500 pounds.
Powertrain features include:
Flex-fuel 320-horsepower, 5.3-liter V-8 with 335 pounds-feet of torque (348
pounds-feet when running on E85) and an available cylinder-deactivation system
Flex-fuel 403-hp, 6.2-liter V-8 with 417 pounds-feet of torque
Six-speed automatic transmission
Optional variable load-leveling suspension
Power rack-and-pinion steering
See also:
Roadside Assistance Program
U.S.: 1-888-881-3302
TTY Users (U.S.): 1-888-889-2438
Canada: 1-800-268-6800
Mexico: 01-800-466-0801
As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance program.
...
Hands-Free Calling
1. Push . System responds:
“OnStar ready.” 2. Say “Dial.” System responds:
“Please say the name or number to call.” 3. Say the entire number without pausing, including a “1” and the ...
Towing the Vehicle
Notice: To avoid damage, the disabled vehicle should be towed with all four wheels off the ground. Care must be taken with vehicles that have low ground clearance and/or special equipment. Always flat ...





