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:
When the System Does Not Seem to Work Properly
The following messages may be displayed on the DIC:
SERVICE PARK ASSIST: If this message occurs, take the vehicle to your dealer to repair the system.
PARK ASST BLOCKED SEE OWNERS MANUAL: This messa ...
Variable Effort Steering
Some vehicles have a steering system that varies the amount of effort required to steer the vehicle in relation to the speed of the vehicle.
The amount of steering effort required is less at slower s ...
Third Row Seats
The third row seatbacks can be folded forward, and the seats can be removed.
To fold the third row seatback:
1. Remove anything on or under the seat.
2. Disconnect the rear safety belt mini-lat ...





