2025 GMC Sierra HD grille

2025 Sierra HD

AT4X AS SHOWN: $93,6853

Sierra HD 2025 GMC

Pro Starting At $46,3001

AVAILABLE TOW UP TO 36,000 LBS2

2025 GMC Sierra HD towing a trailer offroad

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.

2025 GMC Sierra HD front seats and dashboard

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.5

2025 GMC Sierra HD touchscreen controls

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.

2025 GMC Sierra HD backing into a boat launch

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.

2025 GMC Sierra HD rear camera

SIERRA HD PRO SAFETY

Every GMC Sierra 2500 HD and GMC Sierra 3500 HD truck includes active safety and driver assistance technologies6 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

Disclaimers:

  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. 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.

Get Directions

1035 E Main St, Waynesboro, PA, 17268
Buchanan GMC 39.74543, -77.55653.