The 2007 Chevrolet Silverado 3500 is available as a 2-door, 3-seat regular side. Starting at $31,625, the 2007 Chevrolet Silverado 3500 LT1 4x4 HD Regular Cab Dual Rear Wheel is powered by a 6.0L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated The top of the line 2007 Chevrolet Silverado 3500 Work Truck 4x2 HD Extended Cab, priced at $27,885, is powered by a 6.0L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated