Performance
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.
- 975 lb.-ft. of torque and 470 horsepower
- A broad band of power and torque over the entire operating speed range
- Exhaust brake to improve control when towing
- Potent turbo vane actuator and tough valve springs
SERIOUS TOWING POW
The 2500 Crew Cab offers available max towing of up to 21,870 lbs.*
ADVANCED TRAILERING TECH
The 2025 Sierra Heavy Duty offers several advanced trailering-assistance technologies so you can trailer with confidence.
ProGrade Trailering Tech
- This advanced suite of available intelligent technologies helps streamline the hitching and towing process with integrated tools that help enhance your sense of confidence and visibility
Up to 14 available camera views
- More views help to provide a more confident trailering experience, such as transparent trailer view, which is compatible with most traditional, gooseneck and fifth-wheel trailers
Adaptive Cruise Control
- This available feature allows the truck’s Adaptive Cruise Control to account for additional drag and increased braking distances when towing a trailer
INTERIOR
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-class* 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.*
TECHNOLOGY
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.
The available multicolor 15" diagonal Head-Up Display can project the following key information directly onto your windshield:
- Speed
- Safety Alerts
- Audio
- Low-Fuel Warning
- Phone
- Off-Road Inclinometer
Not available on Pro, SLE or SLT.
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.
Exterior
Powerfully bold. Stands out prou
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.
Schedule A Test Drive Today!
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-
Brennan Buick GMC
383 Route 3
Plattsburgh, NY 12901
- Sales: (518) 310-2376
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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