2021 GMC Sierra 1500 Features and Specs

2021 GMC Sierra 1500 in Florida and Georgia, FL



4.3L 6cyl

Fuel Economy:

16 city / 21 hwy*


285 HP


305 lb-ft

Serving Florida and Georgia

The 2021 GMC Sierra 1500 has a luxurious cabin and powerful mechanical components. Step One Automotive Group sells this light-duty pickup truck with up to five engines and three different cabin styles.


The 2021 GMC Sierra 1500 is equipped with a 4.3-liter engine that whips out 285 net horsepower. Coupled with a six-speed automatic transmission, this V-6 powertrain has the Active Fuel Management function. We invite you for the 2021 GMC Sierra 1500 online test drive with a 5.3-L engine that’s rated at 355 hp. Supplemented by the AFM technology, this V-8 powerhouse cranks out 383 pound-feet of torque. Having a 420-hp rating, a 6.2-L engine is optional for this high-end GMC pickup truck. With help from the Dynamic Fuel Management, this V-8 propulsion system offers good gas mileage. Step One Automotive Group also promotes the 460-lb-ft torque rating of this high-output engine. Delivering 310 hp and 348 lb-ft, a 2.7-L turbocharged engine is optional for this light-duty model.

Running on diesel fuel, the 3.0-L turbo engine yields 460 lb-ft. Carrying the Duramax emblem from General Motors, this advanced powertrain is mated to a 10-speed automatic gearbox. An online test drive will let you handle the Automatic Locking Rear Differential, which is part of the 4×4 drive system. A transfer case with the AutoTrac label also regulates various aspects of the drivetrain. Additionally, the 2021 Sierra 1500 can run on six different modes that are managed by the Traction Select System.

Interior and Features

The 2021 GMC Sierra 1500 at Step One Automotive Group is furnished with 10-way front seats. Dark Walnut with Dark Ash accents is available for the perforated leather upholstery. This high-end pickup truck has lots of cutting-edge electronic amenities, including a color head-up display that measures 15.0 inches diagonally. Centrally located inside the elegant cabin, the GMC Infotainment System comes with an 8.0-inch touch screen. You should take the 2021 GMC Sierra 1500 online test drive with the Rear Camera Mirror, which shows clear views of anything that’s behind the tailgate. Powered by OnStar, the GMC Connected Access links your smartphone with the multimedia system. You should also use the myGMC mobile app to manage various trailering settings on a compatible device. Consisting of seven total speakers, a premium audio system from Bose is available for this luxurious GMC pickup truck.


The 2021 GMC Sierra 1500 at Step One Automotive Group comes with several exterior cameras that capture 15 different views of the surroundings. For instance, the Bed View with Zoom and Hitch Guidance provides peace of mind for towing and hauling on the highway. This light-duty pickup truck offers other driving-assistance features, like the Automatic Emergency Braking and Following Distance Indicator.

Take An Online Test Drive

Step One Automotive Group in Florida encourages you to take the 2021 GMC Sierra 1500 online test drive on a smartphone, tablet or computer. Enjoy a virtual tour of this high-end pickup truck from General Motors.

The 2021 GMC Sierra 1500 at Step One Automotive Group is available in the SLE, Elevation, Denali and several other trims.



*All figures are EPA estimates. Actual mileage may vary.