Explore the 2026 GMC Sierra 2500HD in Bartlesville, OK
The 2026 GMC Sierra 2500HD combines heavy-duty capability with refined craftsmanship, offering exceptional towing, advanced tech, and rugged durability for Oklahoma drivers. Whether hauling equipment in Bartlesville or tackling tough jobs, the Sierra 2500HD exceeds expectations. Visit Patriot GMC to see why it leads its class.
What's New for 2026?
The 2026 GMC Sierra 2500HD features refined updates, improved interior, and powerful engine options, making it a strong choice for work and daily driving in Bartlesville and Oklahoma.
Bold and Commanding Design
The 2026 Sierra 2500HD features a bold exterior with animated LED projector headlamps and LED daytime running lamps for a distinct look. It comes in Regular, Double, and Crew Cab options with standard or long beds, measuring up to 266.8 inches long and 81.8 inches wide. The GMC MultiPro Tailgate, available on select trims, provides six versatile load and access functions.
Powerful Performance Capabilities
The 2026 Sierra 2500HD has two powertrains. The standard 6.6-liter V8 gasoline engine offers 401 horsepower and 464 pound-feet of torque, while the available 6.6-liter Duramax Turbo-Diesel V8 delivers 470 horsepower and 975 pound-feet of torque. Both use a 10-speed automatic transmission. It offers rear- and four-wheel drive options, with up to 36-gallon tanks for extended range.
Interior Comfort and Advanced Technology
Inside, the Sierra 2500HD offers comfort and productivity for 3 to 6 passengers. The available 13.4-inch Premium GMC Infotainment System with Google includes navigation, voice assistance, and wireless Apple CarPlay and Android Auto. Bluetooth, USB ports, and wireless charging keep devices connected. Higher trims add heated and ventilated front seats, heated steering wheel, and Bose audio.
Comprehensive Safety Features
The 2026 Sierra 2500HD emphasizes safety with the Sierra HD Pro Safety suite, featuring Forward Collision Alert, Automatic Emergency Braking, Pedestrian Braking, Lane Departure Warning, and IntelliBeam. Standard airbags include dual-stage frontal, side-impact, and head-curtain. Options are HD Surround Vision, Rear Cross Traffic Alert, Trailer Blind Zone Alert, and Park Assist. StabiliTrak stability control with trailer sway control ensures confident handling.
Available Trim Levels
- Pro: Work-ready foundation with vinyl seating, seven-inch infotainment display, 17-inch painted steel wheels, and essential convenience features
- SLE: Upgrades to cloth seating, 13.4-inch infotainment system, 17-inch machined aluminum wheels, deep-tinted glass, and Keyless Open and Start
- SLT: Adds perforated leather-appointed seating, LED fog lamps, heated seats and steering wheel, and power-adjustable front seats
- AT4: Off-road focused with 20-inch high gloss black wheels, Bose premium audio, HD Surround Vision, and MultiPro Tailgate standard
- AT4X: Ultimate off-road capability with 35-inch mud-terrain tires, power retractable assist steps, 16-way power seats with massage, and locking rear differential
- Denali: Luxury appointments including Forge perforated leather seating, 20-inch ultra-bright machined wheels, and chrome assist steps
- Denali Ultimate: Pinnacle trim with full grain leather, 16-way power seats with massage, power-retractable assist steps, Rear Camera Mirror, and Head-Up Display
Exterior Color Options
The 2026 GMC Sierra 2500HD has various exterior colors. Visit Patriot GMC in Bartlesville to see the full palette and how each complements this bold, heavy-duty truck.
Buy or Lease at Patriot GMC
Patriot GMC invites drivers from Bartlesville and nearby Oklahoma communities to test the 2026 GMC Sierra 2500HD. Our team can help you find the right configuration, whether buying or leasing. Schedule your test drive today to experience this heavy-duty pickup's capability and refinement.
Frequently Asked Questions
Available configurations include Regular Cab, Double Cab, and Crew Cab with standard or long bed options depending on trim level.
Yes, four-wheel drive is available across the lineup, with some trims offering it as standard equipment.
Standard features include Forward Collision Alert, Automatic Emergency Braking, Lane Departure Warning, and comprehensive airbag protection through the Sierra HD Pro Safety suite.
Seven trim levels are offered: Pro, SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate.
Fuel tank capacity reaches up to 36 gallons, depending on configuration, providing excellent range for work and travel.