2025 GMC SIERRA 2500HD

2025 GMC SIERRA 2500HD AT4 CREW CAB 4WD | CERTIFIED PRE-OWNED, ONE-OWNER, ACCIDENT-FREE, DURAMAX 6.6L TURBO DIESEL, ALLISON 10-SPEED AUTOMATIC, 4WD, AT4 PREMIUM PLUS PACKAGE, POWER SUNROOF, HEAD-UP DISPLAY, BOSE PREMIUM AUDIO, HEATED AND VENTILATED FRONT SEATS, HEATED REAR SEATS, WIRELESS APPLE CARPLAY, WIRELESS ANDROID AUTO, HD SURROUND VISION, ADAPTIVE CRUISE CONTROL, GMC MULTIPRO TAILGATE, POWER RETRACTABLE ASSIST STEPS, SPRAY-IN BEDLINER, GOOSENECK/5TH WHEEL PREP PACKAGE, BED VIEW CAMERA, 20-INCH GLOSS BLACK WHEELS AND MORE!

This Certified Pre-Owned 2025 GMC Sierra 2500HD AT4 is a one-owner, accident-free heavy-duty truck with only 13k km and premium capability built for Ontario drivers who need serious power and refinement. Equipped with the legendary Duramax 6.6L V8 Turbo Diesel paired to the Allison 10-speed automatic transmission and advanced 4WD system, this Sierra delivers confident towing, smooth highway performance, and outstanding hauling capability. Finished in Summit White with a Jet Black/Kalahari interior, the cabin combines rugged luxury with advanced technology including a massive touchscreen infotainment system, wireless smartphone connectivity, Bose premium audio, and a head-up display. Heated and ventilated seating, HD surround vision, adaptive cruise control, and multiple trailer-assist technologies make every drive easier whether you are towing, commuting, or traveling long distances. This Certified Pre-Owned GMC Sierra 2500HD AT4 for Sale in Ontario offers premium diesel truck performance with upscale comfort and everyday versatility.