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:

    Split Folding Seatbacks
    With this feature, either side of the rear seatback can be folded down for more cargo space. WARNING If either seatback is not locked, it could move forward in a sudden stop or crash. That could ...

    Hydroplaning
    Hydroplaning is dangerous. Water can build up under the vehicle's tires so they actually ride on the water. This can happen if the road is wet enough and you are going fast enough. When the vehicle is ...

    Safety Belt Pretensioners
    This vehicle has safety belt pretensioners for front outboard occupants. Although the safety belt pretensioners cannot be seen, they are part of the safety belt assembly. They can help tighten the sa ...