The 2012 GMC Sierra 1500 lineup is broad, diverse and efficient, offering everything from the job-ready Work Truck models to the luxurious Sierra Denali. Powerful Vortec powertrains, backed by fuel-saving, six-speed automatic transmissions, help Sierra models deliver among the industry's best fuel economy and performance -- including up to 22 mpg on the highway for the Sierra XFE and up to 23 mpg on the highway with the segment-exclusive Sierra Hybrid.

2012 GMC Sierra Denali

2012 GMC Sierra Hybrid

2012 GMC Sierra SLE

2012 GMC Sierra XFE