2026 GMC Sierra 2500 HD Trim Levels Explained in Pueblo, CO
2026 GMC Sierra 2500 HD in Pueblo, CO
The 2026 GMC Sierra 2500 HD in Pueblo brings uncompromising strength, premium materials, and smart trailering intelligence together in one commanding heavy-duty platform. At Wilcoxson GMC, we know capability needs confidence to match, and this lineup delivers with an available Duramax® 6.6L Turbo-Diesel V8 pairing 470 hp with 975 lb-ft of torque and a robust 10-speed automatic transmission. The Sierra HD’s best-in-class cargo bed volume elevates jobsite utility, while available MultiPro™ Tailgate solutions streamline loading, work, and weekend gear. Inside, advanced technology stands ready, from the available 13.4-inch center touchscreen and 12.3-inch digital Driver Information Center to up to 14 available camera views with HD Surround Vision and an available transparent trailer view. Available Adaptive Cruise Control with trailering and the ProGrade® Trailering System with an In-Vehicle Trailering App enhance control, whether commuting or pulling serious weight. From the hardworking Pro to the bold AT4X and the lavish Denali Ultimate, every trim is carefully tuned for a specific mission. We welcome truck shoppers visiting from La Junta and Canon City, as well as our local neighbors who expect a heavy-dutytruck that exceeds expectations every day.

Pro
Built to work hard right out of the gate, the Pro foundation is engineered for tasks that demand a confident backbone. Its standard 6.6L gas V8 teams with a 10-speed automatic transmission for smooth power delivery and dependable response under load. A Trailering Package, Trailering Mirrors, and a Trailer Brake Controller come standard, supporting confident control with a properly equipped setup. The Pro also maximizes job-ready utility with best-in-class HD cargo bed volume and practical bed tie-downs to secure materials and equipment. Inside, wireless Apple CarPlay® and wireless Android Auto™ make it simple to keep directions, playlists, and calls close at hand even when gloves stay on. For drivers planning to push limits, the available Duramax® 6.6L Turbo-Diesel V8 brings towering torque and serious endurance to the same strong chassis. Available Adaptive Cruise Control with trailering adds composure to long highway stints. When your daily plan calls for rugged reliability, straightforward tech, and genuine heavy-duty strength, the 2026 GMC Sierra 2500 HD proves that getting the fundamentals right makes every long week feel shorter, and every demanding job feel well within reach.

SLE
The SLE builds on working-class grit with a big tech leap that simplifies everything from trailering to daily commuting. A 13.4-inch diagonal center touchscreen anchors the cabin, paired with a 12.3-inch diagonal digital Driver Information Center that puts key data directly in view. The Traction Select System with Tow/Haul mode helps tailor response to the day’s task, while 17-inch machined aluminum wheels add a confident stance. Available up to 13 camera views, including a transparent trailer view, transform how you monitor cargo and surroundings, especially when backing into tight spaces. The available MultiPro™ Tailgate and MultiPro Tailgate Audio System by Kicker® bring multi-position flexibility and jobsite or tailgate-ready sound. Off-road confidence grows with the available X31 Off-Road Package, which adds twin-tube Rancho® shocks and skid plates for added underbody protection. Choose the available Duramax® 6.6L Turbo-Diesel V8 to combine remarkable torque with long-haul refinement. For drivers who want a smarter workday and a truck that cleans up nicely for after-hours, SLE is the solid step up that keeps you ready for action with capability, comfort, and technology organized the way you need it, including support from our team in Pueblo.

SLT
SLT leans into premium comfort and trailering mastery with standard 10-way power driver and front outboard passenger heated seats with lumbar support and a heated steering wheel. It adds the ProGrade® Trailering System with the In-Vehicle Trailering App, placing checklists, diagnostics, and profiles at your fingertips to streamline setup and towing routines. Stout 18-inch machined aluminum wheels with dark gray metallic accents complement the truck’s confident stance. Available front bucket seats bring ventilated comfort and perforated leather appointments to tame long drives or hot summer days. The available MultiPro™ Tailgate and its configurable positions add a workbench, step, and load-stop solutions that reduce strain while helping maximize productivity. For diesel-duty needs, the available Duramax® 6.6L Turbo-Diesel V8 pairs its immense torque with a 10-speed automatic for poised, unflustered power. If your checklist calls for a perfect blend of comfort, command, and advanced trailering support, SLT is where the 2026 GMC Sierra 2500 HD turns daily demands into second nature, combining rugged substance with the kind of refinement you appreciate every mile.

AT4
For drivers who split time between the jobsite and rugged trails, AT4 dials up confidence with an Off-Road Suspension Package featuring twin-tube Rancho® shocks and skid plates for added protection. An exclusive Jet Black interior with Kalahari accents and heated and ventilated perforated front leather seating surfaces balance grit with a refined cabin environment. The stance and traction get a boost from exclusive 20-inch gloss-black aluminum wheels, with available BFGoodrich® off-road tires engineered to find bite across rough terrain. Technology scales up, too, with up to 14 available camera views and HD Surround Vision that helps you place the truck with precision on tight trails or when hitching up on uneven ground. Available Adaptive Cruise Control with trailering brings an extra layer of calm to highway miles. Add the available 15-inch Head-Up Display with off-road inclinometer to keep critical info in your sightline when surfaces get tricky. Whether you’re logging dirt-road miles to reach a remote job or heading out for a weekend adventure, AT4 gives you true off-road poise without sacrificing the confidence, comfort, and capability expected from a Sierra HD.
AT4X
AT4X takes off-road engineering to an elite level with a factory-installed 1.5-inch suspension lift, Multimatic® DSSV dampers, a rear electronic-locking differential, and extensive underbody protection, including a larger steel transfer case skid plate and a front aluminum skid plate. Serious grip comes from 35-inch Goodyear® Territory MT tires, while the cabin goes full luxury with 16-way heated and ventilated power front seats that include a massage feature. The Obsidian Rush interior features full-grain leather with technical-grain leather accents and authentic Vanta ash wood, turning tough trails into first-class journeys. For even more capability, the available AT4X AEV Edition adds stamped steel bumpers, additional skid plates for steering gear and transfer case, and 18-inch Salta gloss-black wheels. When maximum muscle is a must, the available Duramax® 6.6L Turbo-Diesel V8 remains the choice for relentless, sustained torque. If your adventures start where pavement ends, the 2026 GMC Sierra 2500 HD in Pueblo equips you with the hardware, technology, and comfort to go farther with composure and return ready for the next challenge.
Denali
Denali refines heavy-duty expectations with signature style and a premium interior that elevates every drive. Outside, 20-inch Ultra-Bright machined aluminum wheels with bright chrome inserts announce a commanding presence. Inside, Denali-exclusive authentic wood and patterned aluminum trim pair with Forge perforated leather seating surfaces to create a warm, upscale space built to travel well. Standard 12-way heated and ventilated power front seats offer all-season comfort. Available highlights include the Duramax® 6.6L Turbo-Diesel V8, a power sunroof that opens the cabin to the sky, and a Rear Camera Mirror that helps you see past cargo and passengers. Denali’s advanced trailering tech and fine-tuned suspension deliver a calm, controlled feel at speed or under load, while the MultiPro™ Tailgate available across the lineup helps adapt to any task. For those who want luxury without leaving capability behind, this is where the 2026 GMC Sierra 2500 HD reaches into premium territory and brings craftsmanship, confidence, and presence together in one unmistakable package.
Denali Ultimate
Denali Ultimate stands at the pinnacle of Sierra HD luxury and technology, pairing bold design with serious muscle. The signature Vader Chrome grille and exclusive 20-inch Ultra-Bright machined aluminum wheels with gloss-black inserts set an unmistakable tone. Under the hood, the Duramax® 6.6L Turbo-Diesel V8 and 10-speed automatic come ready for long-haul pulling with that hallmark, low-rpm torque surge that keeps demanding loads composed. Inside, the exclusive Alpine Umber interior features full-grain leather seating, authentic Paldao wood, and 16-way power front seats with massage to turn cross-state hauls into restorative drives. Audio entertainment is elevated by a 12-Speaker Bose® Premium Series with Centerpoint® surround sound, while illuminated power assist steps add curbside convenience and flair. The MultiPro™ Tailgate with the MultiPro Tailgate Audio System by Kicker® brings flexible function and crisp sound right to your worksite or campsite. Add available accessories like an auxiliary trailer camera to monitor critical angles when towing long loads. For those who expect it all—luxury, technology, and relentless strength—Denali Ultimate answers with commanding confidence.
Request more Information About the 2026 GMC Sierra 2500 HD Trim Levels
Ready to compare trims, cab and bed configurations, and powertrain options side by side? Our product experts are here to help you identify the ideal balance of capability, comfort, and technology to match your daily routines. Whether you prioritize the MultiPro™ Tailgate’s flexibility, advanced camera views for confident maneuvering, or the long-haul calm of the Duramax® 6.6L Turbo-Diesel V8, we can walk you through the details that matter most. The 2026 GMC Sierra 2500 HD in Pueblo is built to handle demanding jobs and big ideas alike, and we make exploring the options straightforward and pressure-free. At Wilcoxson GMC, our team will answer your questions quickly and help you experience the features firsthand. If your plans include towing, ask us to demonstrate the ProGrade® Trailering System and how the In-Vehicle Trailering App simplifies setup. We look forward to helping you test-drive the 2026 GMC Sierra 2500 HD in Pueblo and tailoring a truck that fits the way you work and live.
*Images may not show trim level described
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