The new GMC Sierra 1500 provides four engine choices. The base-level engine is a 2.7-liter turbocharged four-cylinder engine with 310 horsepower. You can find a 5.3-liter V-8 engine with 355 horsepower coming standard on higher trim levels and a 6.2-liter V-8 engine with 420 horsepower as an option (or standard on the Denali Ultimate trim level).
A new GMC Sierra 1500 for sale also offers a 3.0-liter Duramax turbo-diesel inline-six engine that makes 460 pound-feet of torque.