New GMC Sierra HD Trucks for Sale in Adams, MA
If you've been looking for a heavy-duty truck that offers impressive style, capability, and comfort, Haddad GMC is here to help with our rotating inventory of new GMC Sierra HD trucks. With various cabin, bed, and rear-axle options to explore, we'll be here to help you find the model of your dreams. Start shopping new GMC vehicles online, or contact our team to learn more today.
Trim Levels
When you're ready to explore our rotating selection of GMC Sierra HD models, you'll have a wide range of trims and configurations to browse across the GMC Sierra 2500 HD and GMC Sierra 3500 HD lineups.
- Pro - Animated LED projector headlamps, Trailering Package, automatic-locking rear differential, and Remote Keyless Entry.
- SLE - Power-adjustable vertical trailering mirrors with heated upper glass, 12.3-inch Driver Information Center, 13.4-inch infotainment system, wrapped steering wheel, and Keyless Open and Start.
- SLT - Adds Digital Variable Steering Assist, 10-way power-adjustable front seats with heating, a heated steering wheel, and 18-inch wheels with all-terrain tires.
- AT4 - Highlights an off-road suspension system, underbody skid plates, ProGrade Trailering System, spray-on bedliner, Autotrac® 2-speed transfer case, and 20-inch wheels with all-terrain tires.
- Denali - Comes with heated and ventilated front seats, chrome exterior accents, HD Surround Vision, GMC MultiPro Tailgate, Bose® Premium Sound System, and perforated leather upholstery.
- AT4X (2500 only) - Features 16-way power-adjustable front seats, heated rear outboard seats, a 15.0-inch Head-Up Display, Adaptive Cruise Control, wireless charging, 35-inch all-terrain tires, and power-folding side mirrors.
- Denali Ultimate - Delivers a Technology Package, power-retractable assist steps, Vader Chrome exterior accents, a power sunroof, MultiPro™ Audio System by Kicker, and a 12-speaker Bose® Premium Series sound system.
Design
From sleek exterior accents to a standard CornerStep rear bumper, the GMC Sierra HD lineup offers intuitive amenities for work and play. Available models like the SLT feature a heated steering wheel and heated front seats to keep you comfortable during the winter, while Denali models add ventilation for year-round comfort. Plus, available trims like the AT4 and AT4X offer trail-ready features that make off-road excursions a breeze near Lenox, MA.
Performance
When it comes to performance, the GMC Sierra HD lineup features a standard 6.6-liter V8 Gas engine that produces up to 401 horsepower and 464 pound-feet of torque, allowing drivers to conquer a wide range of scenarios. In addition, the available Duramax® 6.6-liter Turbo-Diesel V8 cranks out up to 470 horsepower and 975 pound-feet of torque for smooth towing and hauling. When properly equipped, the GMC Sierra HD lineup offers up to 36,000 pounds of towing capacity or up to 7,290 pounds of payload capacity.
Safety
Keeping you and your crew safe, the GMC Sierra HD comes with standard Automatic Emergency Braking, Front Pedestrian Braking, Forward Collision Alert, Following Distance Indicator, Lane Departure Warning, and Teen Driver mode. As a bonus, features like HD Surround Vision, Front and Rear Park Assist, Trailer Side Blind Zone Alert, Rear Cross Traffic Alert, Adaptive Cruise Control, and more are available for added peace of mind.
Technology
For those seeking advanced connectivity behind the wheel, the GMC Sierra HD offers a standard 7.0-inch or 8.0-inch infotainment touchscreen in Pro models, with an available 13.4-inch GMC Premium Infotainment System in SLE and higher trims. As a bonus, the Sierra HD is available with a 12.3-inch Driver Information Center digital display that provides enhanced visibility of vehicle data. When it comes to cranking up the music and enjoying a long drive, higher models are available with a 7-speaker Bose® premium sound system with a Richbass® woofer or a 12-speaker Bose® Premium Series sound system with CenterPoint.
Frequently Asked Questions
We know that shopping for a new truck can leave you asking questions, and we're here to help. If you don't see an applicable response below, don't hesitate to contact our sales team.
2025 GMC Sierra HD trucks offer impressive standard features and premium amenities compared to other heavy-duty trucks, including best-in-class standard gasoline torque, Animated LED projector headlamps, an Eaton® automatic-locking rear differential, and an available six-function GMC MultiPro Tailgate.
2025 GMC Sierra HD models offer impressive capability with the available AT4 trim that features an off-road suspension system, underbody skid plates, all-terrain tires, and four-wheel drive with an Autotrac® 2-speed transfer case. Plus, the GMC Sierra 2500 HD AT4X is available with an AEV® Edition package that adds unique wheels, stamped-steel skid plates, and stamped-steel bumpers with heavy-duty recovery points.
2025 GMC Sierra HD trucks are available in up to eight colors, including White Frost Tricoat, Summit White, Onyx Black, Sterling Metallic, Volcanic Red Tintcoat, Titanium Rush Metallic, Thunderstorm Gray, and Downpour Metallic.
2025 GMC Sierra HD trucks offer two engine options: a standard 6.6-liter V8 Gas engine or an available Duramax® 6.6-liter Turbo-Diesel V8 engine. Both engines come with a 10-speed Allison® automatic transmission for smooth and effective shift points.
Schedule Your Next Test Drive
When you're ready to get behind the wheel of a new GMC Sierra HD truck that leaves you smiling from ear to ear, we'll be here to answer questions, learn your needs, and provide helpful finance center resources. Contact our sales team to schedule a test drive or stop by our showroom to meet with a representative today.
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