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:

    How OnStar Service Works
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    Playing an MP3/WMA File From a Disc (In Either the DVD or CD Slot)
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    Trailer Sway Control (TSC)
    The vehicle has a Trailer Sway Control (TSC) feature as part of the StabiliTrak system. If TSC detects that the trailer is swaying, the vehicle's brakes are automatically applied. When TSC ...