2026 GMC SIERRA 1500 AT4 | CERTIFIED PRE-OWNED, ONE OWNER, ACCIDENT-FREE, 36K KM, 6.2L ECOTEC3 V8, 10-SPEED AUTOMATIC, 4WD, AT4 OFF-ROAD SUSPENSION, AUTOTRAC 2-SPEED TRANSFER CASE, AUTOMATIC LOCKING REAR DIFFERENTIAL, 20-INCH MACHINED ALUMINUM WHEELS, POWER SUNROOF, BLACK LEATHER, HEATED & VENTILATED FRONT SEATS, HEATED REAR SEATS, HEATED STEERING WHEEL, 13.4-INCH GMC PREMIUM INFOTAINMENT, BOSE AUDIO, ADAPTIVE CRUISE CONTROL, HD SURROUND VISION, MULTIPRO TAILGATE, SPRAY-ON BEDLINER, AND MORE!
This Certified Pre-Owned 2026 GMC Sierra 1500 AT4 is a one-owner, accident-free truck with 36k km and an impressive combination of premium comfort, V8 power and genuine off-road capability. Its 6.2L EcoTec3 V8 works with a smooth 10-speed automatic transmission and 4WD system, while hill descent control, skid plates, all-terrain tires and an automatic locking rear differential provide added confidence when conditions get challenging. Inside, Black leather, heated and ventilated front seats, heated rear seats, a heated steering wheel, dual-zone climate control, wireless charging, Bose audio and a 13.4-inch touchscreen with Google built-in create a refined, connected cabin. Adaptive cruise control, HD Surround Vision, front and rear park assist, lane keep assist, automatic emergency braking and trailer-focused safety technology add everyday confidence. The MultiPro tailgate, spray-on bedliner, hitch guidance and integrated trailer brake controller make this used 2026 GMC Sierra 1500 for sale in Ontario equally ready for work, recreation and daily driving.