Captivating Features

Efficient, responsive & powerful.

It’s efficient, responsive and powerful. Get familiar with Sierra 1500’s dynamic Duramax® 3.0L Turbo-Diesel engine and 6.2L V8 gas engine.

GMC 2021 Sierra 1500 AT4


The available 15" diagonal Head-Up Display conveniently projects key information directly onto the windshield, and available camera views optimize the view around the truck and compatible trailers.

GMC 2021 Sierra 1500 AT4


A high, confident stance and bold grille finished in black chrome add sophistication to Sierra AT4’s capable off-road ability.

GMC 2021 Sierra 1500 AT4


Designed for your active lifestyle with exclusive darkened trim and decor, leather appointment and smart storage.

GMC 2021 Sierra 1500 AT4

Baton Rouge, Louisiana

The best place to find your perfect ride.

The modern truck needs to be rugged, but it also needs to have all of those technological improvements we've developed in recent years. This is what makes the 2021 GMC Sierra 1500 AT4 so exceptional. For those people in Baton Rouge, LA, you must have a good truck that will be reliable in every situation. It is the perfect truck to tow your boat or get some work done.

GMC has done a great job with its new high-tech beast. When you're on those Louisiana roads in the city, you'll feel like you drive a modern vehicle with a comfortable ride and many important safety features. If you are in the New Orleans, Lafayette, Hammond, or Alexandra area, you can find a great dealership to help you find the right 2021 GMC Sierra 1500 AT4 for your needs.

GMC 2021 Sierra 1500 AT4

Distinguished Details

The Exterior

The 2021 GMC Sierra 1500 AT4 features many great features on the exterior. It has a tailgate designed to help you load, unload, and even access your cargo box. The cargo bed has many innovative features and even an exterior audio system. It is made from rolled-formed steel, and it is a durable and stress-resistant material.

You'll be able to put almost anything in this bed and feel confident that it will stand up to any punishment. There are 12 tie-downs, so you won't worry about things flying out onto the highway when you are driving. These features mean it will be really helpful to you in the Louisiana area.

GMC 2021 Sierra 1500 AT4



Just because you are driving a truck doesn't mean you should not enjoy a comfortable ride in Baton Rouge. The interior of the 2021 GMC Sierra 1500 AT4 is spacious and comfortable, and it even has rear seating with enough legroom for an adult. This has been one of the Achilles heels of the majority of modern trucks. Your passengers will feel comfortable and at home when they sit down in the back.

There is a wonderful surround sound entertainment system, and you will enjoy playing your favorite music. You can choose to leather-wrap your steering wheel for a more comfortable and precise feel. The front is as impressive as the back since it features a lot of legroom and headroom. The interior is also available in three different finishes, which gives you control over how you want your truck to be.

GMC 2021 Sierra 1500 AT4

The Innovation

Advanced Technology


The major difference between this truck and others is its class-leading technology. You can get up to 15 different camera views, so you always have an eye on what's going on. There is a beautiful 15-inch heads-up display that shows you all the relevant information to keep you on the road.


The 8” GMC Infotainment System with Navigation enables hands-free voice calls, messages, and music to keep your hands on the wheel. The multicolor touch-screen lets you interact with select in-vehicle apps. Other options depending on trim are available including the 4G LTE Wi-Fi Hotspot, Rear Camera Mirror, High Definition Surround Vision, Bose Premium 8-Speaker Sound, Apple CarPlay Compatibility, and built-in Amazon Alexa.


GMC 2021 Sierra 1500 AT4

Powerfully Efficient

The Performance

This version of the Sierra 1500 AT4 features a mighty 420 hp V-8 engine. You also get the option of having a 3.0 L turbo diesel engine. This gives you multiple options to take your vehicle in any environment. You can drive on bad terrain and even uphill. The suspension also gives you exceptional ground clearance, so you will still feel great while riding over uneven terrain. The traction system and the available four-wheel-drive are also two exceptional features that add even better performance to your vehicle. You can optimize the performance for the type of terrain you are riding on.

You also get the option of 18 or 20-inch tires, which is important for you to choose depending on your location. These options make it a pleasure to ride around anywhere in Baton Rouge, LA. The best part is you get the option of either an eight-speed or a ten-speed automatic transmission. Both of these options ensure smooth shifting and a comfortable experience.

GMC 2021 Sierra 1500 AT4

GMC Pro Safety Plus

The Safety

It can be dangerous driving around Baton Rouge and other Louisiana roads, but this vehicle features many great innovations to help you feel at home. It gives you adaptive cruise control that can detect vehicles ahead and adjust as needed.

You have the option of a front and rear park assist, which can help you fit into those tight spaces when you want to stop and shop.

GMC 2021 Sierra 1500 AT4


Adaptive Cruise Control can automatically maintain a driver-selected gap time from the detected vehicle you’re following while you steer. This feature reduces the need to frequently brake and accelerate when you’re driving.

GMC 2021 Sierra 1500 AT4


Front and Rear Park Assist can provide distance alerts to nearby detected objects in front of or behind your vehicle to help you park and avoid collisions at low speeds.

360° view

Explore Sierra 1500 AT4

Exterior | Interior

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