See also:

Under the Hood
The Yukon Hybrid uses a two-mode hybrid system. The system augments the SUV's V-8 engine with two electric motors, both powered by a 300-volt battery pack. A cylinder-deactivation system cuts powe ...

Under the Hood
195-horsepower, 4.3-liter V-6 with iron block and cylinder heads, cam-in-block, two valves per cylinder and 260 pounds-feet of torque 302-hp, 4.8-liter V-8 with iron block and aluminum cylinder hea ...

Four-Wheel Drive
If the vehicle has Four-Wheel Drive, you can send the engine's driving power to all four wheels for extra traction. To get the most satisfaction out of Four-Wheel Drive, you must be familiar with its ...