GMC Sierra 2500

EXPLORE SIERRA HEAVY DUTY TRIMS

Pro

STANDARD FEATURES

SLE

INCLUDES PRO STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES

SLT

INCLUDES SLE STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES

AT4

INCLUDES SLT STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES

DENALI

INCLUDES SLT STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES

AT4X

INCLUDES AT4 STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES

DENALI ULTIMATE

INCLUDES DENALI STANDARD FEATURES, PLUS ADDS OR SUBSTITUTES

Performance

Serious power. Serious trailering.

DURAMAX 6.6L TURBO-DIESEL V8 WITH ALLISON 10-SPEED AUTOMATIC TRANSMISSION

Sierra Heavy Duty's available Duramax 6.6L Turbo-Diesel V8 engine features an efficient turbocharger and Allison 10-speed automatic transmission.

ADVANCED TRAILERING TECH

The 2025 Sierra Heavy Duty offers several advanced trailering-assistance technologies so you can trailer with confidence.

Technology

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.

Interior & Exterior Features

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.

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.

How Can We Help?

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  1. Northwest Hills GMC

    2065 E Main St
    Torrington, CT 06790

    • Sales: (855) 804-3723
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Get in Touch

  • Contact our Sales Department at: (855) 804-3723
  • Monday8:30 am - 7:00 pm
  • Tuesday8:30 am - 7:00 pm
  • Wednesday8:30 am - 7:00 pm
  • Thursday8:30 am - 7:00 pm
  • Friday8:30 am - 6:00 pm
  • Saturday8:30 am - 5:00 pm
  • SundayClosed
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