New 2026 GMC Sierra 3500HD for Sale in Tampa, FL
Shop the new 2026 GMC Sierra 3500HD at Rivard Buick GMC, your Tampa-area GMC heavy-duty truck dealer serving Brandon, St. Petersburg, Clearwater, and buyers across Florida and nationwide. The one-ton Sierra 3500HD adds a dual-rear-wheel option and tows up to 36,000 lbs with the available Duramax diesel. Compare Pro, SLE, SLT, AT4, Denali, AT4X, and Denali Ultimate trims, features, and pricing below.
All offers on all vehicles are subject to change at the discretion of Rivard Buick GMC. Rebates and incentives may change at any time, without notice. Always check with us to confirm all information shown and get up-to-date pricing, rebate information, and availability. You may qualify for additional offers and savings. We are not obligated to uphold typographical and system errors on our website. EPA Estimates Only. Tax and government fees are extra. Rivard Buick GMC will NOT sell or lease New Vehicles in the states of Alaska, Montana, New Hampshire, or Oregon unless primary residence is located in mentioned state. New Vehicles are for sale or lease to the Ultimate Consumer Only. Rivard Buick GMC will NOT sell or lease a New Vehicle to any person whose name, address, or business appears on the General Motors Suspected Exporter Manifest. Not available with special finance, lease and some other offers. Not available with special finance or lease offers.
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
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2026 GMC Sierra 3500HD Overview
The new 2026 GMC Sierra 3500HD is GMC's one-ton heavy-duty pickup, engineered for the heaviest loads. With the available Duramax 6.6L Turbo-Diesel and a gooseneck or fifth-wheel hitch, it tows up to 36,000 lbs, and a dual-rear-wheel option adds stability for big trailers and payloads up to about 7,290 lbs. Rivard Buick GMC stocks the new Sierra 3500HD in Tampa across the full trim lineup, with starting MSRP from about $47,900.
We serve buyers across Hillsborough, Pinellas, Pasco, Polk, and Manatee counties, including Brandon, Valrico, Riverview, Wesley Chapel, Lutz, Carrollwood, Plant City, Lakeland, St. Petersburg, Clearwater, and Bradenton. We also deliver across Florida and ship nationwide, including to fleet and commercial buyers.
Rivard Buick GMC is the #1 volume Buick and GMC dealer in Florida and the #2 Buick GMC dealer in the nation. That means deeper Sierra HD inventory, more single- and dual-rear-wheel configurations in stock, and pricing backed by real volume. Every new Sierra 3500HD comes with our One Price Promise: one fair, upfront price on every vehicle, with no haggling and no negotiation.
Why Buy Your New 2026 Sierra 3500HD from Rivard Buick GMC
- One Price Promise. The price you see is the price you pay. See how it works.
- Strong trade values. Get a number in minutes with our online trade-in evaluation. If you only want to sell, we buy cars even if you do not buy from us.
- Financing made simple. Start your finance pre-approval from home, and check current GMC lease specials.
- Fleet and commercial. Ask about Business Elite fleet sales for work-ready Sierra HD trucks.
- Community involvement. See how we support the Tampa Bay area.
2026 GMC Sierra 3500HD Trim Levels
The new 2026 Sierra 3500HD is offered in seven trims, in Regular Cab, Double Cab, and Crew Cab, with single- or dual-rear-wheel configurations:
- Pro (from about $47,900): the work-ready foundation, with the standard 6.6L V8 and available Duramax diesel.
- SLE: adds everyday comfort and convenience features.
- SLT: 13.4-inch touchscreen, leather appointments, and expanded trailering technology.
- AT4: off-road suspension with Rancho shocks, skid plates, and rugged styling.
- Denali: authentic wood, Forge perforated leather, and premium trailering and audio.
- AT4X: Multimatic DSSV dampers, rear electronic-locking differential, and full-grain leather.
- Denali Ultimate: exclusive Alpine Umber interior, full-grain leather, 16-way massaging seats, and Vader Chrome styling.
HD pricing varies widely by cab, bed, gas or Duramax diesel, and single- or dual-rear-wheel setup, so per-trim MSRPs are best confirmed by configuration. Starting MSRP is about $47,900, excluding destination freight (about $2,095), taxes, and fees. Your actual Rivard price is set by our One Price Promise. Get pre-approved or contact us for current numbers.
Engines, Towing and Performance
- 6.6L V8 gas (standard): 401 horsepower and 464 lb-ft of torque, with an Allison 10-speed automatic.
- Duramax 6.6L Turbo-Diesel V8 (available): 470 horsepower and 975 lb-ft of torque, with torque up 25% at lower RPM for 2026. Allison 10-speed automatic.
- Maximum available towing up to 36,000 lbs with a gooseneck or fifth-wheel hitch (up to 20,000 lbs conventional), and payload up to about 7,290 lbs.
Technology and Trailering
- Available 13.4-inch touchscreen and 12.3-inch digital cluster with Google built-in.
- ProGrade Trailering System with up to 14 camera views, transparent trailer view, and pre-departure checklists.
- Available trailer-aware Super Cruise hands-free driving and an available 15-inch Head-Up Display.
- MultiPro Tailgate with six functions and available MultiPro Tailgate Audio by KICKER.
What Is New for the 2026 Sierra 3500HD
- Duramax diesel torque is up 25% at lower RPM for stronger climbing and trailering.
- New exterior colors Glacier White Tricoat and Coastal Dune replace White Frost Tricoat and Thunderstorm Gray.
- The MultiPro Tailgate is now a featured option on SLT-packaged trucks, with expanded trailer-aware Super Cruise availability.
Serving Tampa Bay, Florida, and Nationwide
Rivard Buick GMC is your Tampa-area source for the new 2026 GMC Sierra 3500HD, with easy access from Brandon, Riverview, Plant City, Lakeland, St. Petersburg, and Clearwater. Buyers and fleets from Orlando, Jacksonville, Fort Myers, Naples, and across Florida choose Rivard for our inventory, volume pricing, and One Price Promise, and we ship nationwide. Need a three-quarter-ton truck instead? Compare the Sierra 2500HD, or see how the Sierra HD compares on our GMC comparison page.
2026 GMC Sierra 3500HD Frequently Asked Questions
How much does a 2026 GMC Sierra 3500HD cost?
Starting MSRP is about $47,900 for the Pro trim, before destination, taxes, and fees. Final pricing varies widely by cab, bed, gas or diesel engine, single- or dual-rear-wheel setup, and trim. Your actual price at Rivard is set by our One Price Promise.
How much can the 2026 Sierra 3500HD tow?
Up to 36,000 lbs with a gooseneck or fifth-wheel hitch (up to 20,000 lbs conventional), with payload up to about 7,290 lbs.
What engines are available on the Sierra 3500HD?
A standard 6.6L gas V8 (401 hp, 464 lb-ft) and an available Duramax 6.6L Turbo-Diesel V8 (470 hp, 975 lb-ft), both with an Allison 10-speed automatic.
What is the difference between the 3500HD and 2500HD?
The 3500HD is built for heavier loads, offers a dual-rear-wheel option, and tows up to 36,000 lbs versus 22,390 lbs for the 2500HD.
Do you sell the Sierra 3500HD outside Tampa?
Yes. Rivard Buick GMC serves the Tampa Bay area, delivers across Florida, and ships nationwide, including to fleet buyers.