One of the many engine model options available for the all new 2010 GMC Sierra 1500 is the 5.3 Liter V8. This engine holds up to the GMC reputation for strength and durability. This engine is built for performance and produces 315 horsepower with 338 pounds per foot of torque.
The 2010 GMC Sierra 1500 5.3 liter V8 engine features the Active Fuel Management System is a trademarked named for General Motors automobile variable displacement technology. This process allows a v6 or v8 engine to deactivate the lifters on selected cylinders by using a solenoid when driven in light load conditions. This helps to improve the fuel economy of the vehicle. The 2010 Sierra 5.3 liter engine is also Flex-Fuel capable, allowing it to operate on either gasoline or E85 ethanol. The EPA has given this vehicle a fuel rating of 12 to 15 miles per gallon of gasoline when driving in city conditions and 18-21 miles per gallon of gasoline when driving in highway conditions. This rating places the all new 2010 GMC Sierra 1500 at the high end of the must have Full Sized Trucks that are currently on the market where fuel efficiency is concerned.
