Under the Hood

Mechanical features include:

185-horsepower, 2.9-liter inline-four-cylinder with aluminum block and cylinder head, dual overhead camshafts and four valves per cylinder that makes 190 pounds-feet of torque
242-hp, 3.7-liter inline-five-cylinder with aluminum block and cylinder head and dual overhead camshafts that makes 242 pounds-feet of torque
300-hp, 5.3-liter V-8 with aluminum block and cylinder head and two valves per cylinder that makes 320 pounds-feet of torque; variable valve timing is new for 2010, primarily for improved emissions
Five-speed manual (standard on four-cylinder models)
Four-speed automatic (standard on inline-five-cylinder and V-8, optional on four-cylinder models)

    See also:

    Power Liftgate
    On vehicles with a power liftgate, the vehicle must be in P (Park) to operate. The taillamps flash when the power liftgate moves. WARNING You or others could be injured if caught in the path of th ...

    Transmission Messages
    ALL WHEEL DRIVE OFF If your vehicle has the All-Wheel Drive (AWD) system, this message displays when there is a compact spare tire on the vehicle, when the Antilock Brake System (ABS) warning light c ...

    Customer Satisfaction Procedure (U.S. and Canada)
    Your satisfaction and goodwill are important to your dealer and to GMC. Normally, any concerns with the sales transaction or the operation of the vehicle will be resolved by your dealer's sales or ser ...