2025 GMC Sierra 3500HD

Power Locks - Traction Control - Satellite Radio - Leather Interior - Privacy GlassThe 2025 GMC Sierra 3500HD Denali Ultimate is a brand new, heavy duty, luxury pickup designed for drivers who demand serious capability with premium comfort. This four door crew cab blends professional grade strength with upscale refinement, ideal for towing, hauling and long distance travel across Ontario and beyond.Under the hood, a 6.6L turbocharged diesel V8 pairs with a smooth automatic transmission to deliver confident power and strong low end response. The 4x4 drivetrain adds secure traction on gravel roads, job sites and winter highways, while diesel efficiency helps on longer trips and when towing heavy loads. Power steering and advanced stability systems work together to keep the truck composed and reassuring, even with a full bed or trailer.Inside, the Denali Ultimate cabin is all about comfort and control. Premium leather interior with supportive bucket seats and memory settings lets you find the perfect driving position every time. Dual zone climate control and air conditioning maintain a comfortable temperature in any season, while a heated, leather wrapped steering wheel keeps your hands warm on cold mornings. The advanced navigation system, premium audio with satellite radio and steering wheel audio controls create a connected, high end driving environment that makes every commute or workday feel easier.Technology and safety are front and centre. Adaptive cruise control helps reduce fatigue in traffic, while lane departure warning and stability control support confident highway driving. A full suite of airbags, including driver and passenger units, works with traction control and daytime running lights to enhance protection. Reverse park assist and parking sensors simplify manoeuvring this heavy duty truck in tighter spaces, and auto dimming mirrors with rain sensing wipers maintain clear visibility in changing conditions.Practical touches make this Sierra 3500HD ready for real work. The factory tow package and bed liner are built for serious hauling, while the sliding rear window and privacy glass add everyday convenience. Power windows, power locks, keyless entry and a rear defroster streamline daily use, and the heads up display keeps key information in your line of sight so you can stay focused on the road.Specifications6.6L turbocharged diesel V8 with automatic transmission for confident heavy duty performance4x4 drivetrain with stability and traction control for secure all weather capabilityDenali Ultimate leather interior with heated steering wheel and memory seats for premium comfortAdvanced tech including navigation, premium audio, heads up display and adaptive cruise controlTow package, bed liner and reverse park assist for serious work readiness and easy manoeuvring