Under the Hood

Both the four-cylinder and V-6 engines use direct-injection technology. An Eco mode, which is activated by a dashboard button, alters drivetrain calibrations in the four-cylinder to maximize fuel efficiency. Other mechanical features include:

Four-cylinder displaces 2.4 liters and makes 182 horsepower
V-6 displaces 3.0 liters and makes 264 hp
Standard six-speed automatic transmission
Both engines use regular gas

    See also:

    Vehicle Overview
    The GMC Sierra 1500 and Chevrolet Silverado share the same platform, but the GMC product is often positioned as a more upscale offering. Mechanically, the trucks are the same. There might be sligh ...

    Headlamp High/Low-Beam Changer
    Headlamp High/Low&-Beam Changer: Push the turn signal/lane change lever away from you and release, to turn the high beams on. To return to low beams, push the lever again or pull it toward yo ...

    Multi-Band Antenna
    The multi-band antenna is located on the roof of the vehicle. This type of antenna is used with the AM/FM radio, as well as OnStar and the XM Satellite Radio Service System, if the vehicle has these f ...