2026 GMC Sierra 2500 HD for Sale in Ash Flat, AR
Mark Martin GMC is proud to offer the all-new GMC Sierra 2500 HD.
This heavy-duty GMC pickup truck delivers exceptional capability and refined comfort for those who demand the best from their work truck or fleet.
Whether you need serious towing power or a reliable vehicle for daily driving, the 2026 Sierra 2500 HD stands ready to exceed your expectations.
1Dealer Discount applied to everyone
Performance
The updated GMC Sierra 2500 offers impressive powertrain options designed to tackle any job with confidence. Choose from two capable engine configurations paired with a smooth-shifting 10-speed automatic transmission:
- 6.6-liter, eight-cylinder gasoline engine produces 401 horsepower and 464 pound-feet of torque with direct injection and variable valve timing.
- 6.6-liter, eight-cylinder turbo-diesel engine delivers 470 horsepower and 975 pound-feet of torque with B20-diesel compatibility.
Both rear-wheel drive (RWD) and four-wheel drive (4WD) configurations are available, allowing you to select the drivetrain that best suits your needs. The auto-locking rear differential provides enhanced traction when conditions demand it in Ash Flat.
Technology
Inside the 2026 Sierra 2500, advanced technology keeps you connected and informed.
The GMC infotainment system features a color touchscreen display with wireless Apple CarPlay and Android Auto capability. Bluetooth streaming audio allows seamless phone connectivity. Available Google built-in apps provide navigation and voice assistance. The in-vehicle trailering application offers helpful features including trailer checklists, maintenance reminders, and electrical diagnostics. Available hitch guidance with hitch view makes connecting to trailers easier than ever.
Interior
The cab of the refreshed GMC Sierra 2500 provides comfort for every journey. Multiple seating configurations accommodate up to six passengers depending on the trim level. Available heated and ventilated front seats keep you comfortable in any weather. Power-adjustable driver seats ensure the perfect driving position.
Higher trims feature leather-appointed seating, a heated steering wheel, and dual-zone automatic climate control. The available rear sliding power window adds convenience. Premium floor liners with removable carpet inserts protect against the elements.
Exterior
The bold styling of the 2026 Sierra 2500 makes a strong impression with animated LED projector headlamps and signature daytime running lamps.
Multiple cab and bed configurations include regular cab, double cab, and crew cab options with standard or long bed choices. The available professional tailgate offers six functional load and access features for enhanced versatility. Various wheel options range from painted steel to machined aluminum designs.
Safety
GMC equips the all-new Sierra 2500 with comprehensive safety features through the Sierra pro safety suite. Standard equipment includes automatic emergency braking, forward collision alert, front pedestrian braking, lane departure warning, and automatic high beam technology.
The stability control system with proactive roll avoidance and electronic trailer sway control provides confidence when towing. Available features include surround vision, rear cross traffic alert, trailer side blind zone alert, and front and rear park assist.
Trims
Designed for heavy-duty work and the fun to be had on weekends, the all-new 2026 GMC Sierra 2500 is offered in ready-made trims equipped with select standard-issued equipment:
- Pro - Work-ready foundation with essential features and durable vinyl seating.
- SLE - Enhanced comfort with cloth seating and upgraded infotainment options.
- SLT - Premium appointments including leather seating and additional convenience features.
- AT4 - Off-road focused with specialized suspension and distinctive styling.
- AT4X - Ultimate off-road capability with advanced terrain technology.
- Denali - Luxury appointments with refined interior materials and premium amenities.
- Denali Ultimate - Peak luxury with exclusive features and top-tier comfort.
Mark Martin GMC - Test Drive the New GMC Sierra 2500 in Arkansas
Contact our local Ash Flat-area GMC dealership to explore the 2026 GMC Sierra 2500 HD lineup and find the perfect configuration for your needs.
Shoppers should also browse our finance center from the comfort of home to explore lease and purchasing options, and complete our online finance application.
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Mark Martin GMC
41 HWY 62 WEST
ASH FLAT, AR 72513
- Sales: (870) 705-3986