The 2010 GMC Sierra 1500

The 2010 GMC Sierra 1500 is almost identical to the Chevy Silverado 1500, the only difference is it’s a little cheaper than the Chevy. The Sierra is available in 33 different trims ranging from 4X2 standard cab to the AWD crew cab. The 20,000 dollar standard cab is equipped with a standard 4.3 liter 6 cylinder engine that averages 15 mpg city and 20 highway. As for the AWD crew cab, it is equipped with a standard 6.2 liter 8 cylinder engine that achieves 12 mpg city and 19 mpg highway. An automatic transmission comes standard with both styles of the GMC Sierra.