2026 GMC Sierra 2500HD AT4The 2026 GMC Sierra 2500HD AT4 delivers heavy-duty strength combined with rugged off-road capability and premium GMC refinement. Built for drivers who demand serious towing and hauling performance with added all-terrain confidence, the AT4 trim features advanced 4x4 capability, durable off-road-focused design elements, and a refined interior designed for comfort on long days. With powerful performance, modern technology, and bold AT4 styling, the Sierra 2500HD AT4 is ready for demanding work, weekend adventures, and everything in between.Visit SHAW GMC or book your test drive today!This particular 2026 GMC Sierra 2500HD AT4 has the following Standard equipment:AT4 PREMIUM PLUS PACKAGE $5,020.00 * POWER SUNROOF* REAR CAMERA MIRROR * MULTICOLOR 15 DIAGONAL HEAD-UP DISPLAY * POWER SLIDING REAR WINDOW * UNIVERSAL HOME REMOTE * LED ROOF MARKER LAMPS * POWER RETRACTABLE ASSIST STEPS WITH LED LIGHTINGDURAMAX 6.6L V8 TURBO DIESEL $10,995.00* 5 YR or 160,000 KM (WHICHEVER COMES FIRST) POWERTRAIN COMPONENT WARRANTY COVERAGE * LIMITATIONS APPLY, SEE WARRANTY BOOKLET GOOSENECK/5TH WHEEL PREP PACKAGE $630.00 OWNER BENEFITS* 3 YEAR or 60,000 KILOMETRE* BASE WARRANTY COVERAGE* 5 YEAR or 160,000 KILOMETRE* POWERTRAIN COMPONENT WARRANTY COVERAGE* 6 YEAR or 160,000 KILOMETRE* SHEET METAL (RUST-THROUGH) PERFORATION WARRANTY COVERAGE* WHICHEVER COMES FIRST. SEE WARRANTY BOOKLET FOR DETAILS. SAFETY & SECURITY SIERRA HD PRO SAFETY* TRAILER SIDE BLIND ZONE ALERT* REAR CROSS TRAFFIC ALERT* DRIVER SAFETY ALERT SEAT* HD SURROUND VISION* FRONT & REAR PARK ASSIST* AUTOMATIC EMERGENCY BRAKING* FORWARD COLLISION ALERT* FRONT PEDESTRIAN BRAKING* LANE DEPARTURE WARNING* FOLLOWING DISTANCE INDICATOR* INTELLIBEAM-AUTO HIGH BEAM PERFORMANCE & MECHANICAL* 2-SPD ACTIVE, ELECTRONIC AUTOTRAC TRANSFER CASE* TRAILER BRAKE CONTROLLER* DIGITAL VARIABLE STEERING* AUTO LOCKING RR. DIFFERENTIAL* STABILITRAK W/ TRAILER SWAY CONTROL & HILL START ASSIST* TRAILERING PKG WITH HITCH GUIDANCE & HITCH VIEW* IN-VEHICLE TRAILERING APP CONNECTIVITY & TECHNOLOGY* GMC PREMIUM INFOTAINMENT SYS. 13.4 DIAG COLOUR TOUCHSCREEN WITH GOOGLE BUILT-IN COMPATIBILITY INCLUDING NAV CAPABILITY, BLUETOOTH FOR MOST PHONES* WIRELESS APPLE CARPLAY AND WIRELESS ANDROID AUTO FOR COMPATIBLE PHONES* SIRIUSXM AUDIO W/TRIAL. TERMS AT SIRIUSXM.CA* ONSTAR BASICS (UP TO 8 YEARS) TERMS AT ONSTAR.CA/EN/INFO* REMOTE VEHICLE START INTERIOR* HEATED/VENTILATED DRIVER AND FRONT PASSENGER SEATS* HEATED SECOND ROW OUTBOARD SEATS* ADAPTIVE CRUISE CONTROL* BED VIEW CAMERA* BOSE PREMIUM SPEAKERS* WIRELESS CHARGING* PREMIUM FLOOR LINERS* DUAL ZONE, AUTOMATIC CLIMATE CONTROL* 10-WAY POWER DRIVER SEAT* DRIVER SEAT & MIRROR MEMORY* HEATED WRAPPED STRG WHEEL* REAR WINDOW DEFOGGER* 120V AC INSTRUMENT PANEL & CARGO BED POWER OUTLETS* 12.3 DIAG. RECONFIGURABLE DRIVER INFORMATION CENTRE EXTERIOR* SPRAY-ON BED LINER* HEADLAMPS, ANIMATED LED PROJECTOR* FRONT LED FOG LAMPS* MIRRORS, POWER ADJUSTABLE W/ HEATED AND AUTO-DIMMING UPPER GLASS, INTEGRATED TURN SIGNAL, POWER FOLDING/EXTENDING AND PERIMETER LIGHTING* LED CARGO BED LIGHTING* RAIN-SENSING WIPERS* REAR WHEELHOUSE LINERS* GMC MULTIPRO TAILGATE* EZ-LIFT POWER LOCK & RELEASE TAILGATE, HITCH AREA LIGHT ***Payments O.A.C.The advertised price does not include GST. Discounts may include available manufacturer discounts and/or incentives. Discounts and/or incentives from both the dealership and manufacturer may have certain criteria for eligibility and must be qualified for depending on the nature of the discount and model of vehicle involved. Discounts offered by the manufacturer have discrete legal regulations available on the corresponding manufacturer site. See dealer for all current discount eligibility details. Vehicle data is subject to change without notice. AMVIC Licensed Dealer.