The 2010 Sierra Hybrid comes equipped with the advanced 300-volt nickel-metal hydride Energy Storage System and the powerful 6.0L V8 engine. This power allows the pickup to operate up to 30 miles per hour in electric-only mode and delivers the towing, hauling and trailering capabilities truck fans expect in a full-size GMC pickup. This truck is available in two- and four-wheel-drive models and features patented hybrid technology to optimize fuel economy. GM’s innovative two-mode hybrid transmission adds extra power via two electric motors gives Sierra Hybrid best-in-class fuel economy and a 40% improvement in city fuel economy when compared to non-hybrid models. Base price (MSRP): $38,710. [Source: GMC]