Explore the 6 Trim Levels of the New 2021 GMC Sierra 1500

March 12th, 2021 by

A red 2021 GMC Sierra 1500 AT4 from a GMC dealer near me is off-roading in front of mountains.

If you have been searching for the best new truck around, then you need to head over to Williams Buick GMC. Our dealership is the best in the area for all things related to GMC, and our current favorite vehicle in the lineup is the new 2021 GMC Sierra 1500. This full-size, light-duty pickup is the ideal truck to have in North Carolina. Aside from offering five different powertrains, this particular truck is available in six unique trims. However, before you start searching “GMC dealer near me” for directions to our dealership, let’s explore each of the trims of the 2021 GMC Sierra 1500 to see which is best for your daily driving needs.

2021 GMC Sierra 1500

If you love the look and vibe of older trucks, then you may want to get the base Sierra model. This entry-level trim is more suited for tough jobs, but it also comes with some new tech features that you’ll love. The outside is characterized by LED headlights and shiny choir-plated bumpers on the front and back. Inside the cabin, you adjust the tilt-only steering column to suit your height. You will also notice the advanced infotainment system displayed on a 7-inch touchscreen. Compatible with Apple CarPlay, Android Auto, and Bluetooth, you can stay connected everywhere you go. Plus, dual USB ports allow you to charge your mobile device, and you can listen to your favorite songs via the 6-speaker stereo as well.

2021 GMC Sierra 1500 SLE

Next is the SLE trim. This second-level model comes with everything mentioned on the Base, plus a few additional elements. On the outside, you will notice the body-colored door handles and LED lighting in the truck bed. For more loading options, the MultiPro tailgate makes it easy to put a payload in the bed. The rear window is tinted for privacy, and you can get inside the vehicle using the keyless entry system. This also translates to a keyless ignition once you’re inside. Performance-wise, the automatic locking rear differential makes this truck more suitable for a bit more off-roading.

Moving to the cabin, you will notice the front seats are heated for comfort during the colder months. Meanwhile, the driver’s seat is power-adjustable, and the leather-wrapped/tilt-and-telescoping steering wheel is heated. Dual-zone climate control allows you to set temperature bubbles, and cruise control allows you to set a speed limit. The infotainment screen has been enlarged to 8-inches, and two more USB ports have been installed as well.

A silver 2021 GMC Sierra 1500 is driving over a bridge past trees.

2021 GMC Sierra 1500 Elevation

If you really like the SLE trim but want a few more touches added into the mix, then you may want to take a peek at the Elevation trim. Rolling on larger 20-inch wheels, this model gets a remote locking tailgate that makes it easy to control when access is granted to the payload. LED fog lights have also been installed for optimized visibility.

2021 GMC Sierra 1500 SLT

If you prefer a more luxurious interior with plenty of towing enhancements, then you will love the SLT. Riding on 18-inch wheels, it includes a chrome trim on the outside along with heated/power-folding side mirrors. A trailer brake controller and trailer hitch guidance assist are also included to help with towing. Premium leather upholstery covers the interior, and the front passenger seat gets power-adjustability. As for tech updates, wireless Apple CarPlay and Android Auto are included as well as a 120-volt power outlet.

2021 GMC Sierra 1500 AT4

For a better off-roading experience, you need the AT4 model. Featuring 4WD with low-range gearing and all-terrain tires, this beast can conquer anything. The upgraded suspension system comes with monotube shock absorbers and a 2-inch lift. Hill descent control is also included to assist with traveling down steep declines. Skid plates protect the underbelly of the vehicle from damage caused by rocks, and recovery hooks allow you to pull your friend’s vehicles out of the mud when it gets stuck. On the inside, the only changes are the center console and the ventilated front seats.

2021 GMC Sierra 1500 Denali

The top-of-the-line trim level is known as the Denali. Building off of the SLT trim, this model comes with a two-speed transfer case on trucks with 4WD. Meanwhile, the adaptive suspension system helps to improve the overall experience inside the cabin. Riding on 20-inch wheels, it also includes a power-sliding rear window for quick ventilation. To assist passengers with climbing into the cockpit, side steps have been added.

On the inside, you will find heated seats throughout the cabin and ventilated seats in the front. The digital instrument cluster has also been revised, and a Bose stereo has been installed. There is also a wireless charging pad that allows you to replenish your phone’s battery without annoying cables getting in the way. The final touch is safety. The Driver Alert I package is standard on the Denali. It comes with Lane Change Alert with Side Blind Zone Alert, Rear Cross Traffic Alert, and Front and Rear Park Assist to make your driving much safer.

A black 2021 GMC Sierra 1500 Denali is parked on a rocky lake shore.

Additional Packages

While the Driver Alert I package is standard on the Denali, it is still optional on the remaining trims. There are a few more packages that you can add as well. First, there is the Driver Alert II package. This includes Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist with Lane Departure Warning, and Adaptive Cruise Control. Next is the Max Trailering package. Revised shocks with heavy-duty springs provide a more comfortable ride. Meanwhile, this suite also adds a revised gear ratio and a better radiator for optimized engine cooling.

Finally, the last package we want to highlight is the Technology Package. This adds a Head-Up Display that projects vital vehicle information onto the windshield. HD Surround Vision with Two Trailer View Camera Provisions is also installed to give you a full view of your surroundings before you move. A Bed View Camera is included as well so that you can keep an eye on your payload. Finally, the Rear Camera Mirror allows you to see what’s behind you through the rearview mirror instead of the infotainment touchscreen.


Before we wrap everything up, let’s discuss the five engine options that you will be able to select from for your Sierra. The first is a 4.3-liter V6 that delivers 285 hp and 305 lb-ft of torque. The second is a more fuel-efficient 2.7-liter turbocharged 4-cylinder motor that pumps out 310 hp and 348 lb-ft of torque. Next is a 5.3-liter V8 that makes 355 hp and 383 lb-ft of torque.

The largest in the lineup is the 6.2-liter V8. It pushes out 420 hp and 460 lb-ft of torque and will give you the maximum towing capacity of 11,800 pounds when properly equipped. Finally, the diesel option is a 3.0-liter turbocharged I-6 that generates 277 hp and 460 lb-ft of torque. This engine is the most fuel-efficient of them all, with a combined rating of 26 MPG. Depending on which powertrain you choose, it could come with a 6, 8, or 10-speed automatic transmission. You may also pick whether you want RWD or 4WD on most models, although the AT4 only comes with 4WD.

Find a New 2021 GMC Sierra 1500

Now that you know all the highlights of the new 2021 GMC Sierra 1500, it’s time to head over to Williams Buick GMC to take one out for a spin. When you need a vehicle that is powerful, rugged, and reliable, you need to get a GMC. Our experts are ready to answer any questions you may have about this truck or any of our other vehicles. We are happy to help you find the GMC SUV or truck that is perfect for your life, whether that is the exciting 2021 Sierra 1500, a different new model, or a fantastic used option. Visit us today and leave with a vehicle you know you can count on from a dealership you know you can trust.

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