The Ultimate Heavy-Duty Powerhouse: 2024 GMC Sierra 3500HD AT4 Premium Plus

6.6L Duramax Turbo-Diesel | 975 lb-ft Torque | AT4 Premium Plus & Tech Packages

Command the road and the job site with the One-Owner, Clean CARFAX 2024 GMC Sierra 3500HD AT4. Dressed in the imposing Onyx Black, this truck is the perfect marriage of raw heavy-duty capability and high-end luxury. Featuring the enhanced-for-2024 6.6L Duramax Turbo-Diesel and the top-tier AT4 Premium Plus Package, this Sierra is engineered for those who need to haul the heaviest loads across Central Texas without sacrificing an ounce of comfort.

Dominant Duramax Diesel Performance
The 2024 model year brought significant upgrades to the Duramax powertrain, making it more efficient and powerful than ever:

Enhanced 6.6L Duramax V8: Now produces a staggering 470 horsepower and 975 lb-ft of torque, giving you effortless power for climbing hills or merging onto I-35 with a full load.

Allison 10-Speed Transmission: This legendary gearbox ensures smooth power delivery and features Auto Grade Braking to help control speeds on steep descents in the Hill Country.

X31 Off-Road Package: Includes an off-road tuned suspension with Rancho Shocks, skid plates, and Hill Descent Control, ensuring this truck is as capable in a muddy field as it is on the highway.

2-Speed Autotrac Transfer Case: Provides an active 4WD system that can automatically shift between 2WD and 4WD based on road conditions.

The AT4 Premium Plus & Technology Packages
This isn't just a work truck; its a high-tech command center loaded with premium amenities:

Multicolor 15 Head-Up Display (HUD): Projects vital information like speed and navigation directly onto the windshield so your eyes never leave the road.

Bose Premium 7-Speaker Sound: A studio-quality audio experience designed specifically for the Sierras quiet, refined cabin.

Luxury Comfort: Experience Heated and Ventilated (Cooled) Front Seats, Heated 2nd Row Outboard Seats, and a Power Sunroof for an open-air feel.

Adaptive Cruise Control: Now includes trailering capability, automatically maintaining a safe following distance even when you have a heavy trailer in tow.

ProGrade Trailering & Safety
GMC leads the industry in trailering technology, making the most difficult hauls feel simple:

HD Surround Vision with Bed View: Provides up to 14 camera views, including a Transparent Trailer view (with compatible trailer) and a camera dedicated to watching your fifth-wheel or gooseneck hitch.

Rear Camera Mirror: Converts your rearview mirror into a high-def video screen, providing a wider, unobstructed view behind the truck even if the cab is full of gear.

Trailer Side Blind Zone Alert: Extends your blind-spot monitoring to account for the length of your trailer, a lifesaver when navigating traffic in Round Rock or Austin.

Spray-On Bedliner w/ AT4 Logo: Protects your investment from the elements and heavy equipment, featuring a 120-volt power outlet directly in the bed.

Join the Covert Family in Hutto
At Covert Ford Chevrolet Hutto, we have been a cornerstone of the Central Texas community for over 115 years. We specialize in elite heavy-duty trucks like this Sierra 3500HD, offering a transparent, expert-led experience for our neighbors in Georgetown, Taylor, and beyond.

We are just a short drive from: Austin 78758, Round Rock 78665, Georgetown 78628, Pflugerville 78660, Killeen 76542, and Temple 76504.

The 2024 Sierra 3500HD AT4 with the Premium Plus Package is the most capable and luxurious off-road dually on the market. Contact us today to schedule your VIP showing!