2025 GMC Sierra
3500HD Denali Ultimate Crew Cab Turbo Diesel in White Frost Tricoat

The 2025 GMC Sierra 3500HD Denali Ultimate Crew Cab in White Frost Tricoat, right hand drive, brings together heavy-duty capability, premium refinement and commanding presence. It suits buyers who want maximum towing strength, long-distance comfort and a luxury cabin experience in a vehicle fully engineered and documented for Australia and other right hand drive markets worldwide.

Power comes from the 6.6-litre Duramax turbo-diesel V8 producing 470 hp (351 kW) and 1,322 Nm of torque, paired with the renowned Allison-certified 10-speed automatic transmission and a robust four-wheel drive system. This combination delivers immense pulling strength and smooth torque delivery under any load. The right hand drive conversion preserves the full factory towing capacity, giving you up to 14,500 kg of capability when correctly equipped, matching the original left hand drive specification without compromise.

The Sierra 3500HD Denali Ultimate is engineered for stability and control, even with heavy trailers. The fully boxed high-strength steel frame, heavy-duty suspension tuning and integrated trailering technology create confident high-speed towing, reliable weight management and sure-footed road manners. Denali-specific 20-inch wheels, adaptive dampers and advanced braking systems provide both authority and composure, whether hauling equipment or covering long regional distances.

Step inside and the Denali Ultimate cabin delivers first-class comfort. Full-grain Alpine Umber leather seating, contrast stitching, laser-etched Paldao wood trim and a premium headliner set an executive tone. Heated and ventilated front seats, a large 13.4-inch touchscreen, a full digital driver display, wireless smartphone integration and a Bose Premium Series audio system offer technology convenience and upscale comfort. Safety assurance comes through features such as a 360-degree camera, blind-spot monitoring with trailering coverage, lane-keeping support and advanced adaptive cruise control to ease long-haul driving.

Autogroup International completes the mirror-image right hand drive conversion under its ISO 9001:2015-certified engineering process. The steering system, pedal assemblies, dashboard, wiring harnesses and electronic controls are re-engineered to OEM-equivalent standards, ensuring the vehicle maintains factory functionality, durability and driving feel. Every vehicle is fully engineered and documented for Australia and other right hand drive destination markets.

Personalisation options include upgraded wheel and tyre packages, touring and protection packs, enhanced towing gear, luxury interior themes and additional exterior finishes. These allow owners to tailor the Sierra 3500HD Denali Ultimate for work, travel or prestige use while protecting long-term value.

Every right hand drive 2025 GMC Sierra 3500HD Denali Ultimate comes with a factory-backed 3-year unlimited-kilometre warranty, identical in conditions to the OEM’s original warranty. It also includes nationwide 24/7 roadside assistance and a service-and-parts kit, supported by Autogroup International’s Melbourne service centre.

Call the International Sales Team on +94 785 739 875 or the Australian team on (03) 9765 1300, or email [email protected]
to request a build consult, confirm colour and interior, and review delivery timelines.