2025 GMC Sierra 2500 HD Pro

Certified 2025 GMC Sierra 2500HD 4WD Crew Cab 159 Pro â€" 1SA Pro Safety Plus Package, Convenience Package, Preferred Equipment Group 1SA. 6.6L V-8 direct injection, variable valve control, regular gasoline, engine with 401HP paired with an Allison 10-speed automatic; engineered to deliver heavy-duty towing and hauling strength while offering competitive fuel economy for its segment. This Sierra combines rugged capability with modern safety and connectivity so you can tackle worksite demands and long drives with confidence.

1SA Pro Safety Plus Package enhances on-road awareness with upgraded visibility and collision-mitigation technologies designed to reduce stress in congested traffic and tight parking situations.

Convenience Package brings thoughtful, user-focused upgrades that make hitching, loading and everyday use quicker and more intuitive â€" saving time on routine tasks.

Preferred Equipment Group 1SA supplies essential factory-fit comforts and baseline safety features so the truck is ready for work from day one, with conveniences that support long hours behind the wheel.

Wireless Apple CarPlay and Android Auto mirror your phone without cables, letting you access maps, messages and media more cleanly so your focus stays on the road.

Forward collision mitigation actively watches traffic ahead and can intervene to help lessen the likelihood or severity of a frontal impact, improving protection on busy routes.

Front pedestrian impact prevention continually scans for people in the truck’s path and can take steps to avoid or reduce the impact of a collision, adding a layer of safety in populated areas.

The built-in mobile hotspot turns the cabin into a connected workspace so crew members can stay online for navigation, job coordination or streaming without draining personal data plans.

A rear camera supplies a clear, enhanced view behind the truck to make backing, trailer alignment and parking more predictable and safer.

Brake assist boosts stopping power during emergency braking, helping shorten stopping distances when every fraction of a second counts.

Steering-wheel cruise controls let you set and maintain highway speed without taking your hands off the wheel, reducing fatigue on long hauls and helping steady fuel use.

The responsive touchscreen centralizes infotainment and vehicle controls so you can access settings and information quickly with minimal distraction.

Lane departure warning alerts you if the truck drifts out of its lane, helping maintain lane discipline on long stretches and reducing the chance of unintended lane departures.

Rear collision warning monitors traffic behind you and warns of closing threats so you have time to react before a rear impact escalates.

Capable and connected, this 2025 Sierra 2500HD pairs a stout 6.6L V8 and Allison 10-speed with a practical mix of safety and conv