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New GMC Sierra 2500 HD Inventory in Layton, UT
Shop the New GMC Sierra 2500 HD at Young Buick GMC in Layton, UT
The GMC Sierra 2500 HD is a heavy-duty pickup built for fifth-wheel campers, gooseneck trailers, and serious work, with the refinement GMC is known for. It offers a standard 6.6-liter gas V8 or the available 6.6-liter Duramax turbo-diesel V8 with 975 lb-ft of torque, both paired with an Allison 10-speed automatic, and it can tow up to 22,390 pounds when properly equipped.
At Young Buick GMC, you can compare every version of the Sierra 2500 HD side by side, from the work-ready Pro, SLE, and SLT to the off-road AT4 and AT4X and the premium Denali and Denali Ultimate. Browse our current new Sierra 2500 HD inventory above, then use the guide below to find the trim, cab, and engine that fit the way you tow.
Shoppers from Layton, Kaysville, Clearfield, Syracuse, Farmington, Roy, Ogden, and across Davis and Weber counties visit our dealership at 570 North Main Street for competitive pricing, flexible financing, and a team that knows the Sierra HD lineup inside and out.
GMC Sierra 2500 HD Trim Levels Compared
Every Sierra 2500 HD uses an Allison 10-speed automatic and is available in 2WD or 4WD depending on trim. The trims differ in capability, comfort, and technology.
| Trim | Best for | Highlights |
|---|---|---|
| Pro | Work and fleet use | Standard 6.6L gas V8 with an available Duramax diesel, offered in Regular, Double, and Crew Cab |
| SLE | Everyday heavy-duty value | More comfort and technology than the Pro, with gas or diesel power |
| SLT | Comfort for long hauls | Upgraded interior and features, with the MultiPro tailgate available |
| AT4 | Off-road heavy-duty capability | Off-road-tuned suspension, skid plates, and standard 4WD |
| AT4X | The most capable off-road HD | Advanced off-road hardware and a full-grain leather Obsidian Rush interior |
| Denali | Premium towing | Authentic wood trim and perforated leather seating |
| Denali Ultimate | The ultimate heavy-duty truck | Standard Duramax diesel, Alpine Umber full-grain leather interior with massaging front seats, Bose audio, and a Kicker tailgate audio system |
Features, engines, and availability vary by trim, cab, and model year. Ask our team to confirm equipment on any specific vehicle.
GMC Sierra 2500 HD Engines and Towing
Both engines pair with the heavy-duty Allison 10-speed automatic transmission.
| Engine | Horsepower | Torque | Best for |
|---|---|---|---|
| 6.6L gas V8 | 401 hp | 464 lb-ft | Work trucks and moderate trailers |
| 6.6L Duramax turbo-diesel V8 | 470 hp | 975 lb-ft | Fifth-wheels, goosenecks, and heavy trailers |
22,390 lbs
Max fifth-wheel/gooseneck towing*
Heavy-duty towing
Properly equipped with the Duramax diesel, the 2500 HD tows up to 20,000 lbs conventionally and up to 22,390 lbs with a fifth-wheel or gooseneck.
975 lb-ft
Duramax 6.6L turbo-diesel torque
Diesel torque
More low-end torque for climbing grades and getting heavy trailers moving, with strong engine braking on the way back down.
14
Available camera views
Trailering technology
Available camera views, including a transparent trailer view, help with hitching, backing up, and watching your trailer on the road.
*When properly equipped. Towing varies by cab, bed, drivetrain, engine, and hitch type.
Technology and Towing Features
The Sierra 2500 HD pairs heavy-duty hardware with technology that makes towing easier.
- Up to 14 available camera views, including a transparent trailer view
- Available trailering assistance features for hitching and towing
- Available MultiPro tailgate for easier bed access
- Available Off-Road Suspension Package with skid plates and Rancho shocks on select trims
2500 HD or 3500 HD?
For most heavy-duty buyers, the 2500 HD offers the right balance: diesel torque and fifth-wheel towing capacity in a single-rear-wheel truck that's easier to drive and park every day. If you need even higher payload or towing ratings, the Sierra 3500 HD adds available dual rear wheels and towing up to 36,000 lbs when properly equipped.
Ask our team for complete details on GMC's limited warranty coverage, including Duramax diesel powertrain coverage.
Driving a Sierra 2500 HD in Northern Utah
Northern Utah is towing country. Whether you're pulling a fifth-wheel camper to southern Utah's national parks, a horse trailer across Davis and Weber counties, or equipment to a job site, the Sierra 2500 HD's Duramax diesel and Allison transmission handle long grades on I-15, I-84, and US-89 with confidence.
Available 4WD keeps you moving through Wasatch winters, and the AT4 and AT4X add off-road capability for ranch roads and remote trailheads. If you don't need heavy-duty capacity, our team can also show you the light-duty GMC Sierra 1500, or explore work trucks from Young Commercial for your business.
Why Buy Your Sierra 2500 HD from Young Buick GMC
Young Buick GMC is part of Young Automotive Group, a family-owned dealer group that has served Utah drivers for decades. When you shop with us, you get a transparent buying experience and a team that treats you like a neighbor.
- A selection of new Sierra 2500 HD trucks with gas and Duramax diesel power
- Financing options for a wide range of credit situations
- Trade-in appraisals on any make or model
- Factory-trained GM technicians, including Duramax diesel service
Compare Other GMC and Buick Models
Still deciding? Explore more of the lineup at Young Buick GMC in Layton.
- New GMC Sierra 1500, for a light-duty full-size pickup
- New GMC Canyon, for a capable midsize pickup
- New GMC Yukon, for a full-size three-row SUV
- All new GMC and Buick inventory
GMC Sierra 2500 HD FAQs
How much does a new GMC Sierra 2500 HD cost?
Sierra 2500 HD pricing rises by trim from the Pro to the SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate, and varies by cab, bed, engine, and drivetrain. Check the inventory above for current pricing at Young Buick GMC, or contact our team about current specials and incentives.
How much can the GMC Sierra 2500 HD tow?
When properly equipped with the Duramax 6.6L turbo-diesel and Max Trailering Package, the Sierra 2500 HD can tow up to 20,000 pounds conventionally and up to 22,390 pounds with a fifth-wheel or gooseneck hitch. Crew Cab models are rated up to 21,870 pounds. Actual capacity varies by cab, bed, drivetrain, and equipment.
Does the Sierra 2500 HD come in gas or diesel?
Both. The standard engine is a 6.6L gas V8 with 401 horsepower and 464 lb-ft of torque. The available 6.6L Duramax turbo-diesel V8 produces 470 horsepower and 975 lb-ft of torque. Both use the Allison 10-speed automatic transmission.
What's the difference between the Sierra 2500 HD and 3500 HD?
Both are heavy-duty trucks with the same engine choices. The 2500 HD offers a single-rear-wheel setup that's easier to live with day to day, while the 3500 HD adds higher payload and towing ratings and available dual rear wheels, with towing up to 36,000 pounds when properly equipped.
Is there an off-road Sierra 2500 HD?
Yes. The AT4 adds off-road-tuned suspension, skid plates, and standard 4WD, and the AT4X adds more advanced off-road hardware for tougher terrain. An Off-Road Suspension Package with skid plates and Rancho shocks is also available on select trims.
Can I test drive a Sierra 2500 HD at Young Buick GMC?
Yes. Choose any Sierra 2500 HD from our inventory above and schedule a test drive online, or stop by Young Buick GMC at 570 North Main Street in Layton. Our team can have the trim, cab, and engine you want ready when you arrive.
Find Your New GMC Sierra 2500 HD Today
Whether you need a hardworking Pro, a diesel-powered SLT for your fifth-wheel, or a luxurious Denali Ultimate, there's a Sierra 2500 HD for you at Young Buick GMC. Apply for financing, value your trade, or contact our team to get started.