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...
From job-ready Work Truck models to the unique combination of performance and luxury that is the Sierra Denali, the GMC Sierra lineup is one of the broadest in the industry. Powerful Vortec-based powertrains, backed by fuel-saving six-speed automatic transmissions, help Sierra models deliver among the industry's best fuel economy and...
GMC Sierra continues to lead the industry in fuel economy, capability and power, all delivered with responsive ride and handling traits, and an exceptionally quiet driving experience. The lineup includes everything from job-ready Work Truck models to the unique combination of performance and luxury that is the Sierra Denali. For...
