2026 GMC SIERRA 2500HD

Power Locks - Leather Interior - Traction Control - Satellite Radio - Memory SeatsThe 2026 GMC Sierra 2500HD AT4 Preferred Package with Premium Plus Package is a brand new heavy duty crew cab pickup built for drivers who demand serious capability with premium comfort. Finished in a clean white exterior, this 4 door 4x4 blends off road confidence with upscale refinement, ideal for work, towing, and weekend adventures across Ontario and beyond.Under the hood, a 6.6L turbocharged diesel V8 delivers strong, confident power with the kind of low end torque diesel drivers appreciate for hauling and towing. Paired with a smooth automatic transmission and a robust 4x4 system, it is engineered for confident control on gravel roads, job sites, and winter highways. The diesel powertrain helps provide long range cruising and dependable performance, while power steering and stability control keep the truck composed and reassuring in everyday driving.Inside, the Sierra 2500HD AT4 focuses on comfort and convenience. Leather interior and supportive bucket seats create a refined, durable cabin that stands up to daily use. Power seats with memory settings make it easy to find and keep your ideal driving position. Climate control and air conditioning maintain a comfortable temperature in every season, while a heated steering wheel and rear defroster add welcome warmth on cold mornings. Power windows, power locks, keyless entry and steering wheel audio controls keep daily routines simple and intuitive.Technology and entertainment are well covered with a premium audio system, AM/FM stereo, satellite radio and an integrated navigation system to help you stay informed and on route. The reverse park assist and parking sensors support confident manoeuvres in tight spaces, while auto dimming mirrors and rain sensor wipers reduce distractions and adjust automatically to changing conditions. Privacy glass adds a touch of style while helping keep the cabin cooler and more secure.Safety and everyday usability are built into this Sierra. Driver and passenger airbags, traction control, stability control and daytime running lights provide a solid foundation of protection. Lane departure warning helps you stay centred on the road, while adaptive cruise control maintains a set gap to traffic ahead, reducing fatigue on longer drives. Fog lights improve visibility in poor weather, and the tow package and bed liner make this truck ready for serious work, protecting the cargo box and simplifying trailering tasks.Overall, this 2026 GMC Sierra 2500HD AT4 Preferred Package with Premium Plus Package delivers a compelling mix of heavy duty strength, advanced technology and premium comfort, making it a standout choice for drivers who want a hardworking truck that feels truly upscale.Specifications6.6L turbocharged diesel V8 with automatic transmission for confident heavy duty performance4x4 drivetrain with traction and stability control for secure handling in all seasonsLeather interior with power memory seats and heated steering wheel for upscale comfortPremium audio, satellite radio and navigation system for connected, enjoyable travelTow package and bed liner for ready to work capability and protected cargo space