2025 Sierra HD
AT4X AS SHOWN: $93,6853
2025 GMC Sierra HD in Lewes, DE
Pro Starting at:1
$46,300
0 Vehicles Available
UP TO 36,000 LBS2
AVAILABLE TOW
SERIOUS POWER. SERIOUS TRAILERING.
DURAMAX 6.6L TURBO-DIESEL V8 ENGINE
Sierra Heavy Duty’s available Duramax 6.6L Turbo-Diesel V8 engine features an efficient turbocharger and Allison 10-speed automatic transmission.
SERIOUS TOWING POWER
The 2500 Crew Cab offers available max towing of up to 21,870 lbs.4
ADVANCED TRAILERING TECH
The 2025 Sierra Heavy Duty offers several advanced trailering-assistance technologies so you can trailer with confidence.
PREMIUM INTERIORS TO MAKE EVERY TRIP FIRST-CLASS.
16-WAY POWER FRONT SEATS WITH MASSAGING FEATURE
Experience serious comfort in Sierra Heavy Duty’s available best-in-class5 16-way power front seats with massaging feature.
LUXURIOUS MATERIALS
Sierra HD Denali Ultimate’s Alpine Umber interior features full-grain leather seating, plaited contrast stitching, and embossed and laser-etched topographical map patterns of Mt. Denali’s summit.
SPACIOUS CABIN
The Sierra Heavy Duty truck features best-in-class Crew Cab front head and leg room.6
KEEP INFORMED AND IN COMMAND.
13.4" DIAGONAL CENTER TOUCHSCREEN
This available tablet-style touchscreen is the customizable, high-tech centerpiece of the cabin.
15" DIAGONAL MULTICOLOR HEAD-UP DISPLAY
The available 15" diagonal Head-Up Display helps keep important information like speed and alerts in clear view.
12.3" DIAGONAL COLOR DRIVER INFORMATION CENTER
Control and customize important vehicle, driving and infotainment content in high-resolution clarity with an available 12.3" diagonal digital Driver Information Center.
POWERFULLY BOLD. STANDS OUT PROUD.
BOLD FRONT END
Stand out everywhere you go with GMC Sierra HD Denali’s iconic chrome grille, front bumper and fascia.
LED PROJECTOR HEADLAMPS AND SIGNATURE LIGHTING
LED projector headlamps with striking animated sequences help enhance Sierra Heavy Duty’s impressive exterior design.
SIX-FUNCTION MULTIPRO TAILGATE
The powerfully innovative available MultiPro Tailgate combines six convenient functions to help make light work of almost any job in your work truck.
SIERRA HD PRO SAFETY
Every GMC Sierra 2500 HD and GMC Sierra 3500 HD truck includes active safety and driver assistance technologies7 that help while driving and trailering. Sierra HD Pro Safety includes:
- Forward Collision Alert
- Following Distance Indicator
- Front Pedestrian Braking
- IntelliBeam
- Lane Departure Warning
- Buckle to Drive
- Automatic Emergency Braking
Not all customers will qualify for all rebates and incentives. All conditions are subject to credit approval. While we make every effort to ensure the data listed here is correct, there may be instances where rebates, incentives, options, or vehicle features may be listed incorrectly. Please contact the dealer to verify availability, payment, price, and options. Dealer cannot be held liable for omissions or errors prior to sale. Stock OEM pictures may not represent the actual vehicle (Options, colors, trim, and body style may vary). Specifications, features, safety, and warranty data are based on what is available as standard specs/features per trim level, for the designated model year and may not apply to vehicles with added packages or options. Dealer-installed options may include additional fees. Vehicles may be in transit to i.g. Burton, please call to verify availability. MSRP (Manufacturer's Suggested Retail Price) is not equivalent to the dealer's asking price. Final sales price INCLUDES DESTINATION AND DELIVERY CHARGES. Taxes, tags, title, registration, and $799 dealer documentation fees are extra. For gasoline, diesel, and hybrid fueled vehicles, MPG City/Hwy is the combined fuel economy. It is a weighted average that is calculated by weighting the city miles-per-gallon value by 55% and the highway miles-per-gallon value by 45%. It provides a quick and easy comparison of fuel economy across vehicles. EPA-estimate metric: these are contingent on ideal conditions within a lab. Real-world situations such as carrying passengers or cargo, using climate control, driving style, and ambient temperatures can affect actual metrics.
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
More Info
1.The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
2.Requires a 3500 HD Regular Cab long bed 2WD DRW model with available Duramax 6.6L Turbo-Diesel V8 engine, Max Trailering Package, gooseneck hitch, Convenience Package and 120-volt power outlet. Maximum trailering ratings are intended for comparison purposes only. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The trailering capacity of your specific vehicle may vary. The weight of passengers, cargo and options or accessories may reduce the amount you can trailer.
3.The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
4.Requires a Crew Cab long bed 2WD model with available Duramax 6.6L Turbo-Diesel V8 engine, Max Trailering package, Gooseneck/Fifth-Wheel Prep Package, 18" or 20" wheels and tires and gooseneck/fifth-wheel hitch. Maximum trailering ratings are intended for comparison purposes only. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The trailering capacity of your specific vehicle may vary. The weight of passengers, cargo and options or accessories may reduce the amount you can trailer.
5.Class is gasoline and diesel heavy-duty pickups in the GM Large Pickup segment. Based on latest competitive data available.
6.Class is gasoline and diesel heavy duty pickups in the GM Large Pickup segment. Based on latest competitive data available. Excludes other GM vehicles.
7.Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information