2026 GMC Sierra 2500 HD AT4X AEV Special Edition, right hand drive, is the ultimate expression of heavy-duty strength and adventure capability, combining GMC’s most advanced engineering with American Expedition Vehicles’ (AEV) off-road expertise. Built for drivers who demand exceptional power, refinement and off-road performance, it delivers confidence and comfort no matter how extreme the journey.
Under the bonnet lies the formidable 6.6-litre Duramax turbo-diesel V8, producing 470 hp (349 kW) and 1,322 Nm of torque. This powerhouse is paired with a 10-speed automatic transmission and four-wheel drive, offering immense pulling strength and smooth control on any surface. The AT4X AEV Special Edition benefits from advanced suspension calibration and heavy-duty components, giving it class-leading composure both on- and off-road. Capable of towing up to 8,300 kg, it’s engineered for those who haul, tow and travel beyond the ordinary.
AEV’s factory collaboration adds true off-road pedigree. This Special Edition includes stamped steel bumpers with integrated recovery points, full underbody skid protection, unique badging and 35-inch all-terrain tyres mounted on exclusive AEV wheels. Its factory lift enhances clearance, while Multimatic DSSV dampers deliver exceptional control across demanding terrain. Combined, these features bring unmatched off-road confidence and everyday driving comfort.
Inside, the Sierra AT4X AEV pairs rugged durability with first-class refinement. The cabin features premium leather seating with AEV-exclusive embroidery, ventilated and heated front seats, and precision detailing throughout. The expansive 13.4-inch touchscreen and 12.3-inch digital driver display deliver seamless connectivity, navigation and vehicle data, while smartphone integration and a premium audio system enhance every drive. Advanced driver assistance features include adaptive cruise control, trailer side blind-zone alert, lane-keeping assist and a surround-view camera system for total visibility and safety assurance.
Autogroup International’s ISO 9001:2015-certified right hand drive conversion process transforms the Sierra into a mirror-image build while maintaining full OEM-equivalent quality. Every steering, pedal, and control system is re-engineered to factory standards, ensuring original driving dynamics, safety integration and durability are preserved. The conversion is fully engineered and documented for global compliance in right hand drive markets.
Options and personalisation extend beyond factory specification, with Autogroup offering accessories such as protection and touring packs, upgraded wheel and tyre packages, interior detailing, and towing equipment to suit individual needs. These enhancements ensure the Sierra AT4X AEV not only performs at the highest level but also reflects each owner’s purpose and style.
Every right hand drive 2026 GMC Sierra 2500 HD AT4X AEV Special Edition is fully engineered and documented for Australian and other right hand drive markets and comes with a factory-backed 3-year unlimited-kilometre warranty, identical in conditions to the OEM’s original warranty. The package also includes nationwide 24/7 roadside assistance and a service-and-parts kit, supported through Autogroup’s Melbourne service centre.
Call the International Sales Team on +94 785 739 875 or the Australian team on (03) 9765 1300, or email vehicles@autogroupinternational.com
to request a build consult, confirm colour and interior, and review delivery timelines.
Details
YEAR
2026
BODY TYPE
Pickup
FUEL TYPE
Diesel
ENGINE
6.6L Duramax Turbo-Diesel V8
TRANSMISSION
10 Speed Auto
DRIVE TRAIN
Four-Wheel Drive (4WD)
EXTERIOR COLOUR
Summit White
INTERIOR COLOUR
STOCK NO.
STATUS
In Stock
TOP SPEED
158 Km/Ph
0-100 KM/PH
6.6 seconds Seconds
MAX POWER (kW/RPM)
470 hp
MAX TORQUE (nm/RPM)
975 lb-ft
Features
Interior
- Seating capacity for 5 (crew cab) with 60/40 folding rear bench.
- Front seats: heated & ventilated; power adjustment; leather upholstery.
- Massage feature for the front seats.
- Interior trim: “Obsidian Rush” interior style, full-grain leather, technical/grain leather accents, authentic Vanta Ash wood décor.
- Jet Black interior with Kalahari accent (on some trims) in non-AEV/configs.
- Leather steering wheel, heated.
- Dual-zone climate control.
- 12.3-inch digital driver information centre / instrument cluster.
- Premium audio: Bose premium surround system.
Exterior
- AEV Package adds stamped steel front and rear bumpers with integrated recovery points.
- Multiple stamped-steel skid plates: coverage for approach, steering gear, transfer case, etc.
- Wheels: 18-inch gloss-black AEV wheels (Salta wheels) with premium all-terrain tyres.
- Tires: 35-inch Goodyear Territory MT tires.
- Suspension lift: factory-installed 1.5-inch lift.
- Multimatic DSSV dampers for off-road ride control.
- Rear electronic-locking differential.
- Two-speed AutoTrac transfer case (4WD) for off-road / low ranges.
- Spray-on bedliner.
- MultiPro tailgate.
- LED fog lamps, LED lighting, LED headlamps / signature lighting.
- Cargo lighting, rear wheelhouse liners.
- Exterior styling / badging unique to AEV: AEV logos on things like floorliners, head restraints, black gloss finishes, etc.
Performance
- Engine options:
- 6.6L V8 gasoline (direct injection, variable valve timing) – ~401 hp and ~464 lb-ft torque.
- 6.6L Duramax V8 turbo-diesel – ~470 hp and ~975 lb-ft torque.
- Transmission: Allison 10-speed automatic.
- Rear axle ratio: ~3.42 for the diesel in some configurations.
- Frame: fully boxed, hydroformed front section, fully boxed stamped rear.
- Heavy duty components: heavy-duty air cleaner, external engine oil cooler, external transmission oil cooler, etc.
- Brakes: 4-wheel disc antilock brakes with Duralife rotors.
- Towing & trailering capacity: up to ~18,500 lbs with the diesel engine; strong trailering features.
- Ground clearance for AEV configuration ~11.8 in. Approach / departure / breakover angles consistent with off-road capability.
Safety & Security
- Forward Collision Alert.
- Lane Departure Warning.
- Front Pedestrian Braking.
- IntelliBeam automatic high beam headlamp control.
- Trailer Sway Control.
- Integrated trailer brake controller with dedicated trailering app.
- 14 available camera views including: Hitch View, Bed View with Zoom, Bed Hitch Guidance, Rear Side View with Trailer Length Indicator, etc.
- HD Surround Vision system.
- Side airbags, head-airbag system.
Connectivity & Technology
- Infotainment display: 13.4-inch center “tablet-style” touchscreen.
- Driver information display: 12.3-inch digital cluster.
- Head-Up Display (HUD).
- Wireless Apple CarPlay & Android Auto.
- Google built-in in some markets (infotainment integration).
- Wireless charging.
- Trailering tech: Transparent Trailer View, Trailer Side Blind Zone Alert, Adaptive Cruise Control with Trailering.