Sierra Heavy Duty’s interiors are rugged and refined with premium materials to make every trip first-class with Denali-exclusive authentic open-pore wood, patterned aluminium trim, forge perforated leather seating and auto-dimming driver and passenger upper glass.
Available with a Regular, Double and Crew Cab with options of a Standard and Long Bed.
Sierra Heavy Duty is the real deal—with a wider chassis than the 2500 and much greater towing capacity, it has the the strength and pulling power to haul heavy loads and the most trailering-assistance technologies available in its class which include outside power-adjustable vertical trailering mirrors with power folding/extending, in-vehicle trailering app, integrated trailer brake controller, StabiliTrak, stability control system with proactive roll avoidance and traction control, bed view camera, trailer tire pressure and temperature sensors HD surround vision and hitch view & guidance.
Enhanced power with the combination of the available 6.6L Duramax Turbo-Diesel V-8 and 10-speed Allison transmission delivering 470 horsepower and 975 lb-ft of torque and providing 25% more low-end torque vs. the current model for a greater feeling of power on demand.
The Sierra 3500HD also features Hill Descent mode, skid plates & Off-road suspension with Twin-Tube Rancho® Shocks.
The Sierra 3500HD features a 13.4-inch-diagonal horizontal GMC touchscreen infotainment system (biggest in class) with Wireless Apple CarPlay®5 and Android Auto™6 capability and Google Built-In compatibility.
Other standard features are the GMC MultiPro Tailgate, digital variable steering assist and front & rear park assist.
Sierra Heavy Duty’s impressive exterior stands out proudly everywhere you go with the Signature Denali Ultimate Vader Chrome Grille, animated lighting when approaching, starting, or when using the turn signals and 20″ Ultra-Bright Machined Aluminium Wheels.
The 2024 model also has six new exterior color options (extra cost): Titanium Rush Metallic, Sterling Metallic, Volcanic Red Tintcoat, Redwood Metallic, Meteorite Metallic and Downpour Metallic.
A luxurious pickup truck Off-Road Suspension Package With Twin-Tube Rancho® Shocks and Skid Plates.
The Sierra 3500HD AT4 also comes equipped with Hill Descent mode, skid plates & Off-road suspension for the ultimate off road experience.
The AT4 comes with the 6.6L V8 Gas engine with the option of the 6.6L Duramax Turbo-Diesel V8 engine.
Luxurious Pickup with stunning interior that includes all of the features of the AT4 plus Denali-exclusive authentic open-pore wood, patterned aluminium trim and forge perforated leather seating. The 3500HD Denali also comes with the Bose premium sound and stunning 20″ Ultra bright wheels!
The Denali comes with the 6.6L V8 Gas engine with the option of the 6.6L Duramax Turbo-Diesel V8 engine.
The Ultimate pickup truck featuring 12-speaker Bose premium series sound and Ultimate alpine umber interior.
The Ultimate comes with all of the Denali features plus the signature Denali Ultimate Vader chrome grille, technology package and 20″ ultra-bright machined aluminium wheels.
The Denali Ultimate comes with the 6.6L Duramax Turbo-Diesel V8 engine.
See the latest videos, reels and social media posts our team have created on what is coming out of production. Follow us on social to stay up to date on the latest news, information, vehicles and developments from Autogroup.
Our decades of vehicle conversion and modification experience delivers exemplary quality and craftsmanship - a standard of excellence unrivaled by others. Our rigorous safety standards and absolute attention to detail deliver truly world-class results. We don’t cut corners to save on cost, rather, we select and install only the newest, most cutting-edge, and premium brand components available. Put simply, the best interior fitout on the market deserves the best components in the world.
We have successfully converted and delivered right-hand drive vehicles to 40+ countries globally from our world class design, engineering and manufacturing facility based in Sri Lanka.
Over 4,000+ vehicles, across 20 years, converted safely and on time. Our quality, technical competence and strict compliance requirements plus our 3-year global warranty ensures peace of mind for all our clients.
With 200+ highly-trained & experienced professionals in our team, we are the largest specialist automotive manufacturer and left to right-hand drive vehicle converter in the world
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The leader in left to right hand drive conversion and export
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