New Hampshire’s Heavy-Duty Headquarters — Banks Chevrolet-GMC
Starting MSRP
Max avail. trailering
Max avail. payload
Max avail. Torque
There is a point where a pickup stops being a convenience and starts being a necessity. The 2026 GMC Sierra HD (2500 and 3500) lives exactly at that crossroads. While other heavy-duty trucks focus purely on the numbers, the Sierra HD prioritizes the experience of moving those numbers. It’s a truck designed for the long-haul driver who needs to pull 30,000 pounds across state lines but doesn’t want to feel like they’ve been in a wrestling match by the time they reach the hotel.
For 2026, the Sierra HD remains the benchmark for “Professional Grade.” It balances massive, earth-moving torque with a cabin that feels more like a quiet sanctuary than a mobile workshop. Whether you’re managing a fleet or hauling the family’s 5th-wheel trailer, this is heavy-duty capability without the rough edges.
| Trim Level | Est. Starting MSRP* | HD Performance Highlights | Best For |
|---|---|---|---|
| Pro | $47,600 | 6.6L Gas V8, Allison® 10-speed, GMC Pro Safety. | Commercial utility and fleet duty. |
| SLE | $51,500 | MultiPro™ Tailgate, 13.4″ Diagonal Touchscreen. | Tech-integrated heavy hauling. |
| Elevation | $57,000 | Gloss-Black exterior accents, 20″ Aluminum wheels. | Bold, aggressive road presence. |
| SLT | $62,500 | Digital Variable Steering, Perforated leather seating. | Premium towing and luxury comfort. |
| AT4 | $72,100 | Off-Road Suspension, Rancho® Shocks, Skid Plates. | Heavy-duty off-road capability. |
| Denali | $75,800 | Signature Chrome Grille, Authentic Wood Trim. | Elite professional-grade luxury. |
| AT4X | $84,800 | Multimatic™ DSSV Dampers, 35″ Goodyear MT Tires. | Maximum HD backcountry performance. |
| Denali Ultimate | $94,100 | 16-way Massaging Seats, Bose® Premium Audio. | The pinnacle of heavy-duty refinement. |
*Estimated MSRP for 2500 HD models. Excludes tax, title, license, and dealer fees. See dealer for specific 3500 HD pricing.
The Sierra Heavy Duty truck’s available Duramax 6.6L Turbo-Diesel V8 engine features an efficient turbocharger and 10-speed automatic transmission.
The GMC Sierra 2500 HD Crew Cab offers available max towing of up to 21,870 lbs.
The 2026 Sierra Heavy Duty truck offers advanced trailering-assistance technologies so you can trailer with confidence.
Denali Ultimate with exclusive Alpine Umber interior and full-grain leather seating.
Experience serious comfort in the Sierra Heavy Duty truck’s available best-in-class 16-way power front seats with massaging feature.
Sierra HD Denali Ultimate’s Alpine Umber interior features full-grain leather seating, plaited contrast stitching, and embossed and laser-etched topographical map patterns of its namesake’s mountain summit.
The Sierra Heavy Duty truck features best-in-class Crew Cab front head and leg room.
Do I need the 2500HD or the 3500HD?
It depends on what you’re hauling! The 2500HD maxes out around 22,500 lbs, making it perfect for most large boats, campers, and mid-sized equipment. If you are regularly hauling massive fifth-wheels or heavy machinery, the 3500HD (especially the dually) steps up to a staggering 36,000 lbs of max towing capacity.
Is the Duramax Diesel worth the extra cost over the gas engine?
If you pull heavy loads frequently, absolutely. You get a massive 975 lb.-ft. of torque and 470 horsepower paired with an Allison 10-speed transmission. It provides unmatched pulling power and stability, especially when dragging a heavy fifth-wheel up through the White Mountains. The standard 6.6L V8 gas engine is still a beast (401 hp / 464 lb.-ft.), but the Duramax is the undisputed king of towing.
What are the lease deals looking like right now?
Heavy-duty trucks are traditionally financed rather than leased due to commercial use, but we do have fantastic retail offers for the 2026 lineup! For instance, current GMC or Buick owners can leverage loyalty cash to take thousands off the top. It’s a great way to put equity into a premium truck that holds its resale value remarkably well.
Tell me about trailering tech—is it actually helpful?
Ask anyone who tows: GMC’s ProGrade Trailering System is a lifesaver. With up to 14 available camera views—including the incredible Transparent Trailer View that lets you “see through” your load—backing up and changing lanes is virtually stress-free. Once you use it, you’ll wonder how you ever hauled blind.
Why should I make the drive to Banks in Concord?
Because we’re family-owned and high-volume, we can do things smaller lots can’t. We have more heavy-duty trucks in stock and deeper discounts across the board. Plus, if you’re a Costco Member, we can often layer an extra incentive on top of our Banks Price. We make the trip worth it.
