New GMC Sierra 2500 for Sale in Delphi, IN

The New 2026 GMC Sierra 2500HD for Sale in Delphi

The 2026 GMC Sierra 2500HD, available at MANN GMC in Delphi, IN, offers heavy-duty capability with comfort and advanced features. Perfect for work or recreation, it exemplifies GMC's professional-grade quality.







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

What's New for 2026

The 2026 GMC Sierra 2500HD builds on its reputation as a capable heavy-duty truck. With seven trims, from the work-ready Pro to the luxurious Denali Ultimate, it offers enhanced connectivity, safety features, and powerful engines. Drivers from Lafayette will value its rugged capability and premium amenities, suitable for work and family trips.

Performance

The 2026 GMC Sierra 2500HD offers two powertrain options: a standard 6.6-liter eight-cylinder gasoline engine with 401 horsepower and 464 pound-feet of torque, and an available 6.6-liter Duramax Turbo-Diesel eight-cylinder delivering 470 horsepower and 975 pound-feet of torque. Both pair with a 10-speed automatic transmission for smooth shifting. Available in rear-wheel or four-wheel drive, it has up to 36-gallon fuel tanks, making it suitable for demanding tasks and serious towing needs, especially with the Duramax diesel.

Interior

Step into the 2026 GMC Sierra 2500HD with a cabin blending functionality and comfort. It seats up to six, with options like 40/20/40 split-bench or front bucket seats with a center console. The Pro trim features durable vinyl seats, while higher trims offer cloth and leather. Upper trims such as SLT, AT4, and Denali include heated and ventilated front seats, heated rear outboard seats, and power-adjustable seats with lumbar support. The Denali Ultimate has 16-way power-adjustable front seats with massage in premium leather. Climate control ranges from single-zone on Pro to dual-zone automatic on higher trims, ensuring comfort.

Exterior

The 2026 GMC Sierra 2500HD commands presence with bold design and multiple configurations, including Regular Cab Long Bed, Double Cab, and Crew Cab options, with lengths up to 266.8 inches and a wheelbase of 172.0 inches. Features include animated LED projector headlamps, LED signature daytime running lamps, and LED fog lamps for better visibility. Its bold styling attracts attention, and the GMC MultiPro Tailgate offers six convenient load features for easier cargo management. Explore our GMC inventory.

Safety

The 2026 GMC Sierra 2500HD prioritizes safety with the Sierra HD Pro Safety suite, including dual-stage airbags and head-curtain airbags. The package adds Forward Collision Alert, Emergency Braking, Pedestrian Braking, Lane Departure Warning, IntelliBeam, and Following Distance Indicator. Features like stability control with Proactive Roll Avoidance, traction, trailer sway, and hill start assist help handle tough conditions. The optional Sierra HD Pro Safety Plus Package offers HD Surround Vision, Blind Zone and Rear Cross Traffic Alerts, Park Assist, and Bed View Camera. Teen Driver enables parents to set safety parameters.

Technology

The 2026 GMC Sierra 2500HD features advanced tech for connectivity and control. The Pro trim has a seven-inch touchscreen with AM/FM, Bluetooth, and wireless Apple CarPlay and Android Auto. Higher trims include a 13.4-inch Premium GMC Infotainment System with Google apps, navigation, and voice assistance. Customers from Frankfort will value a seamless smartphone connection. The In-Vehicle Trailering App manages trailers, checklists, reminders, alerts, and diagnostics. Hitch Guidance with Hitch View simplifies hitching. OnStar provides crash response, traffic updates, navigation, and Wi-Fi. USB ports and wireless charging keep devices powered and reduce clutter.

Trim Levels

The 2026 GMC Sierra 2500HD offers seven distinct trim levels, each delivering unique features and capabilities:

Pro

  • Seven-inch diagonal GMC Infotainment System with wireless Apple CarPlay and Android Auto
  • 17-inch painted steel wheels
  • Vinyl seat trim with 40/20/40 split-bench configuration
  • Trailering Package with trailer hitch and Hitch Guidance
  • HD Rear Vision Camera

SLE

  • 13.4-inch diagonal Premium GMC Infotainment System with Google built-in
  • 17-inch machined aluminum wheels
  • Cloth seat trim
  • Deep-tinted glass
  • Keyless Open and Start

SLT

  • Perforated leather-appointed front seating
  • Heated driver and front passenger seats
  • Heated steering wheel
  • LED fog lamps
  • Rain-sensing wipers
  • Digital Variable Steering Assist

AT4

  • HD Surround Vision
  • Bose Premium seven-speaker audio system
  • GMC MultiPro Tailgate
  • 20-inch High Gloss black aluminum wheels
  • Premium Floor Liners
  • Spray-on bedliner

AT4X

  • Full-grain leather seating
  • Power retractable assist steps with LED lighting
  • 35-inch mud-terrain tires
  • Multicolor 15-inch Head-Up Display
  • Rear Camera Mirror
  • Bose Premium Series 12-speaker audio system

Denali

  • Forge Perforated Leather seating
  • 12-way power driver and passenger seats
  • Chrome six-inch rectangular assist steps
  • 20-inch Ultra-bright machined wheels
  • Chrome front recovery hooks

Denali Ultimate

  • 16-way power front seats with massage
  • Power-retractable assist steps with LED perimeter lighting
  • Bose Premium Series 12-speaker audio
  • Power sunroof
  • Technology Package with Head-Up Display and Rear Camera Mirror

Visit MANN GMC Today

Experience the impressive features of the 2026 GMC Sierra 2500HD at MANN GMC in Delphi, IN. Our expert sales team will help you find the right configuration, whether a work-ready Pro or the luxury Denali Ultimate. We serve the region with trusted service and expertise. Browse our GMC selection online or visit our showroom to see the 2026 Sierra 2500HD. Discover why it sets the standard for heavy-duty trucks, combining capability, comfort, and technology.

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  1. MANN GMC

    1648 W US HWY 421
    DELPHI, IN 46923

    • Sales: (765) 822-3024
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Get in Touch

  • Contact our Sales Department at: (765) 822-3024
  • Monday8:00 am - 5:30 pm
  • Tuesday8:00 am - 5:30 pm
  • Wednesday8:00 am - 5:30 pm
  • Thursday8:00 am - 5:30 pm
  • Friday8:00 am - 5:00 pm
  • Saturday8:00 am - 1:00 pm
  • SundayClosed