2026 GMC Sierra 3500 HD in Ardmore, OK

2026 GMC Sierra 3500 HD at Jeremy Hodge Chevrolet GMC in Ardmore, OK

If you're looking for relentless strength wrapped in premium craftsmanship, the 2026 GMC Sierra 3500 HD lineup at Jeremy Hodge Chevrolet GMC in Ardmore, OK, brings exactly that. With six purpose-built trims – Pro, SLE, SLT, AT4, Denali, and Denali Ultimate – the Sierra 3500 HD goes beyond expectations, whether you're hauling, towing, or simply commanding the road. Each trim delivers serious worksite performance and top-tier comfort, making it a standout in the heavy-duty truck segment.

Compared to rival HD pickups, the 2026 Sierra 3500 HD offers drivers an edge with available 36,000-pound trailering capability, a cutting-edge Vehicle Trailering App, and standout features such as the available MultiPro tailgate. From farm roads to highway commutes, and everything in between, the Sierra 3500 HD is your powertrain partner with unmatched utility and luxury-grade detail.

Interior: Room to Work, Ride, and Relax

Step into the cabin of the 2026 Sierra 3500 HD and you'll quickly understand that this truck wasn’t just engineered for power, it was built for people who work hard and expect a refined, feature-rich environment. Seating configurations include roomy front buckets or split-bench layouts, and available rear under-seat storage helps manage tools and gear with ease.

Interior measurements include 44.53 inches of front legroom and 65.3 inches of shoulder room in both rows. The cabin’s materials rise with each trim level, from durable vinyl and cloth to Jet Black Forge perforated leather and full-grain Alpine Umber leather, with massage-capable seats in the Denali Ultimate. Climate control ranges from standard single-zone to available dual-zone automatic systems, and heated front and rear outboard seats are available across several trims. Ventilated front seats and a heated steering wheel are also onboard select models for year-round comfort.

Exterior: Bold Design with Built-In Utility

The exterior of the 2026 Sierra 3500 HD makes a statement before you even start the engine. With bold body lines, high-mounted signature LED daytime running lamps, and trim-exclusive grille designs, it delivers presence and purpose. Features such as power-retractable assist steps with LED lighting, vertical trailering mirrors, and spray-on bedliners enhance functionality without sacrificing style.

Standard and available highlights include:

• Led fog lamps
• Tailgate with power lock and release
• CornerStep rear bumper
• Rainsense automatic wipers
• Cargo bed LED lighting

Paint options available for the Sierra 3500 HD include:

• Summit White
• Sterling Metallic
• Coastal Dune
• Downpour Metallic
• Cardinal Red
• Onyx Black

Performance: Raw Power that Works When You Do

Every 2026 Sierra 3500 HD comes standard with a 6.6-liter V8 gas engine paired to a 10-speed automatic transmission. For those who want maximum muscle, the available 6.6-liter Duramax Turbo-Diesel V8 churns out 470 horsepower and a jaw-dropping 975 lb-ft of torque. Both powertrains connect to a heavy-duty 10-speed transmission that ensures smooth towing, hill control, and off-the-line strength.

Here’s how performance specs break down:

• Towing Capacity: Up to 36,000 pounds with the 3500 HD and available gooseneck setup
• Payload Capacity: Up to 4,571 pounds, depending on configuration
• Drivetrain Options: Standard four-wheel drive across all trims
• Suspension: Off-road tuned on AT4; Multimatic DSSV dampers on AT4X

The Sierra 3500 HD also features a standard trailer brake controller, Hill Descent Control, diesel exhaust brake (on diesel-equipped models), automatic locking rear differential, and available skid plates to protect key components in demanding terrain.

Technology that Works as Hard as You Do

From smart towing support to cutting-edge infotainment, the 2026 GMC Sierra 3500 HD integrates tech in ways that make life easier on the road, on the job, or at the campsite. A 13.4-inch GMC Premium Infotainment System with Google built-in is standard across all trims, giving you access to Google Assistant, Google Maps, and the Play Store.

Notable technology features include:

• Wireless Apple CarPlay® and Android Auto™
• 12.3-inch digital driver information center
• Available 15-inch Head-Up Display with off-road inclinometer
• In-vehicle trailering app with pre-departure checklists, trailer light tests, maintenance reminders, and real-time tire pressure monitoring
• Up to 14 available camera views, including hitch guidance and bed view camera
• Bose® Premium Series audio system with 12 speakers and CenterPoint® surround sound (Denali Ultimate)

Other convenience features include wireless charging, multiple USB-C and USB-A ports, Wi-Fi® hotspot capability, and integrated trailer tire pressure monitoring. It’s smart, seamless, and built for real-world jobs.

Safety: Confidence Comes Standard

Whether you're navigating the jobsite or backing up a trailer, the Sierra 3500 HD has safety systems to assist. Every trim features GMC Sierra HD Pro Safety, and select trims add even more advanced systems like HD Surround Vision and the Safety Alert Seat.

Key safety features include:

• Forward Collision Alert and Automatic Emergency Braking
• Lane Departure Warning and Lane Keep Assist
• Front Pedestrian Braking
• Adaptive Cruise Control with trailering capability
• Trailer Side Blind Zone Alert
• Rear Cross Traffic Alert
• Buckle to Drive and Teen Driver safety suite

Additionally, all trims include a rear-seat belt reminder, tire-pressure monitoring with a tire-fill alert, and six airbags covering both rows. These features keep drivers informed, passengers protected, and your trailer under control.

Test Drive the 2026 Sierra 3500 HD in Ardmore, OK

The 2026 GMC Sierra 3500 HD isn’t just a heavy-duty truck; it’s a heavy-hitter in every category that counts. Visit Jeremy Hodge Chevrolet GMC in Ardmore, OK, to explore Sierra trims, compare features, and schedule a test drive. Whether you're towing for work or trailering for fun, this vehicle delivers maximum capability and confidence. Explore our full truck inventory, including other models such as the Sierra 2500 HD and GMC Canyon, and find your perfect fit. With available MultiPro tailgate features, top-tier towing specifications, and a premium drivetrain lineup, there's no better place to start than right here with your local GMC dealer.

*Disclaimer: This content was drafted with AI assistance for initial drafting, reviewed by a subject-matter expert for accuracy, and edited by our team of writers and editors.