The added Hood Scoop give a new power to the diesel engine of the new 2017 GMC Sierra. The new powerful engine outruns the last year's Duramax. more
The 2017 Chevrolet Silverado HD equipped with the new Duramax 6.6-liter turbo V8 has showcased it awesome haulage capability by towing a huge American and Texan flag along the Texas Motor Speedway. more