The 2010 Chevrolet Silverado 1500 Hybrid is available as a 4-door, 5-seat regular side. Starting at $41,490, the 2010 Chevrolet Silverado 1500 Hybrid 1HY 4x4 is powered by a 6.0L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 22-mpg on the highway. The top of the line 2010 Chevrolet Silverado 1500 Hybrid 2HY 4x2, priced at $44,670, is powered by a 6.0L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 22-mpg on the highway.