2026 GMC Sierra 2500
Disclaimer:
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
1Dealer Discount applied to everyone
1Dealer Discount applied to everyone
The New 2026 GMC Sierra 2500HD for Sale in Litchfield, IL
The 2026 GMC Sierra 2500HD is a heavy-duty pickup that offers outstanding power, capability, and refinement. Steve Schmitt GMC of Litchfield takes pride in offering this impressive range of full-size trucks to hardworking drivers across the region. Whether you're towing heavy loads, transporting construction materials, or searching for a dependable daily work vehicle, the Sierra 2500HD delivers the performance and features you need. Explore our new inventory to find the ideal configuration for your requirements.
What's New for 2026
The 2026 GMC Sierra 2500HD maintains its status as a top-tier heavy-duty truck, now with upgraded features and capabilities. For this model year, the Sierra HD Pro Safety package becomes standard, providing drivers with advanced safety technologies such as Automatic Emergency Braking, Forward Collision Alert, and Front Pedestrian Braking. The lineup also offers improved interior details and the newest GMC Infotainment System, equipped with Google built-in apps on most trims.
Performance
The 2026 GMC Sierra 2500HD comes with two robust engine options aimed at delivering maximum capability. The standard 6.6-liter eight-cylinder gasoline engine generates 401 horsepower at 5200 rpm and 464 pound-feet of torque at 4000 rpm, equipped with Direct Injection and Variable Valve Timing for efficiency. For enhanced towing power, the optional 6.6-liter Duramax Turbo-Diesel eight-cylinder delivers a commanding 470 horsepower at 2800 rpm and a substantial 975 pound-feet of torque at 1600 rpm, making it perfect for heavy-duty towing.
Both engines are paired with a smooth 10-speed automatic transmission that optimizes power delivery in various driving conditions. Drivers can select between Rear-Wheel Drive and Four-Wheel Drive on certain trims, with the Pro trim providing both options. Higher trims come with standard Four-Wheel Drive. The Sierra 2500HD features several body styles, including Regular Cab, Double Cab, and Crew Cab with either Standard or Long Bed options, capable of seating up to six passengers depending on the configuration.
Interior
Inside the cabin, the 2026 GMC Sierra 2500HD offers a blend of comfort and practicality for work and leisure. The Pro trim includes durable vinyl seats with a 40/20/40 split-bench setup, while the SLE enhances the experience with cloth seats and upgraded features. At the SLT level, drivers benefit from perforated leather-appointed front outboard seats, heated front seats, and a heated steering wheel, perfect for chilly mornings.
The AT4 and AT4X trims are designed for off-road enthusiasts, offering premium floor liners with removable carpet inserts and specialized interior features. The Denali model features Forge Perforated Leather seats with 12-way power adjustments, while the top-tier Denali Ultimate boasts Full Grain Leather upholstery with 16-way power front seats, including lumbar support and massage functions. Rear passengers enjoy a 60/40 folding bench with seatback storage and a center fold-out armrest with cupholders.
Exterior
The 2026 GMC Sierra 2500HD stands out with its striking, professional appearance. It features animated LED projector headlamps, LED turn signals, and Daytime Running Lamps that ensure excellent visibility and a unique look. The Pro trim comes with 17-inch painted steel wheels, while the SLE adds 17-inch machined aluminum wheels. Higher trims offer more refined wheel designs, such as 18-inch machined aluminum wheels with Dark Grey metallic accents on the SLT and 20-inch High Gloss black aluminum wheels on the AT4.
Body configurations range from the compact Regular Cab Long Bed at 236.3 inches overall length to the roomy Crew Cab Long Bed at 266.8 inches. All models share a consistent width of 81.8 inches without mirrors, giving them a strong road presence. The GMC MultiPro Tailgate, available on higher trims, offers six functional load and access features, boosting versatility for loading and unloading cargo.
Safety
The 2026 GMC Sierra 2500HD emphasizes safety with a comprehensive suite of systems. The Sierra HD Pro Safety package features Automatic Emergency Braking, Forward Collision Alert, Front Pedestrian Braking, Lane Departure Warning, and IntelliBeam automatic high beam control. StabiliTrak stability control, combined with Proactive Roll Avoidance and traction control, ensures secure handling. Additionally, electronic trailer sway control and hill start assist enhance towing capabilities.
Standard airbag protection features dual-stage frontal airbags, seat-mounted side-impact airbags, and head-curtain airbags for both front and rear outer positions. The Teen Driver feature enables parents to customize vehicle settings and receive in-vehicle report cards on driving behaviors. Optional upgrades include Front and Rear Park Assist, Rear Cross Traffic Alert, Lane Change Alert with Side Blind Zone Alert, and HD Surround Vision to improve situational awareness.
Technology
Stay connected with the GMC Infotainment System, which begins with a seven-inch color touchscreen on the Pro trim, offering Bluetooth streaming, wireless Apple CarPlay, and Android Auto. The SLE and higher trims upgrade to a larger 13.4-inch Premium GMC Infotainment System with Google built-in apps, including navigation and voice assistance.
Additional technology features include OnStar services offering Automatic Crash Response, Wi-Fi Hotspot capability, and the optional In-Vehicle Trailering App with trailer maintenance reminders and tire pressure monitoring. The HD Rear Vision Camera is standard, with options for HD Surround Vision and Rear Camera Mirror to enhance visibility around the vehicle.
Trim Levels
Pro
- 6.6-liter eight-cylinder engine with 10-speed automatic transmission
- Seven-inch GMC Infotainment System with wireless Apple CarPlay and Android Auto
- Vinyl seat trim with 40/20/40 split-bench configuration
- 17-inch painted steel wheels
- HD Rear Vision Camera
SLE
- 13.4-inch Premium GMC Infotainment System with Google built-in
- Cloth seat trim
- 17-inch machined aluminum wheels
- Deep-tinted glass
- Keyless Open and Start
SLT
- Perforated leather-appointed seating
- Heated front seats and steering wheel
- 18-inch machined aluminum wheels with Dark Grey accents
- Dual-zone automatic climate control
- LED fog lamps
AT4
- Off-road suspension with Rancho shocks
- HD Surround Vision
- Bose premium seven-speaker sound system
- 20-inch High Gloss black aluminum wheels
- GMC MultiPro Tailgate
AT4X
- 35-inch mud-terrain tires
- Power retractable assist steps with LED lighting
- Full Grain Leather seating with 16-way power adjustment and massage
- Bose Premium Series 12-speaker audio system
- Driver-selectable full-locking rear differential
Denali
- Forge Perforated Leather seating
- Chrome six-inch rectangular assist steps
- 20-inch Ultra-bright machined wheels
- Adaptive Cruise Control
- Rain-sensing wipers
Denali Ultimate
- Full Grain Leather with 16-way power seats including massage
- Power-retractable assist steps with LED perimeter lighting
- Power sunroof
- Multicolor 15-inch Head-Up Display
- Rear Camera Mirror
Visit Steve Schmitt GMC of Litchfield Today
Discover the power and sophistication of the 2026 GMC Sierra 2500HD. Come to our showroom in Litchfield, IL, where our expert team will guide you through our entire lineup and help you choose the ideal configuration. View our new inventory online to check current availability, and then book a test drive to experience the Sierra 2500HD's capabilities firsthand. We're excited to assist you in finding your next heavy-duty truck.
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Litchfield GMC
1 GALAXY LANE
LITCHFIELD, IL 62056
- Sales: (855) 739-3514
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