Quality Buick GMC

1620 East Homer Adams Pkwy Alton, IL 62002

2024 GMC Sierra HD OVERVIEW Overview Icon

2024 GMC Sierra HD in Alton

  • 6.6L V8 Gas engine
  • Allison® 10-speed automatic transmission
  • HD Rear Vision Camera
  • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
2024 GMC Sierra HD Main Img

2024 GMC Sierra HD MODELS

  • Sierra HD Pro

    Sierra HD Pro

  • Sierra HD SLE

    Sierra HD SLE

  • Sierra HD SLT

    Sierra HD SLT

  • Sierra HD AT4

    Sierra HD AT4

  • Sierra HD Denali

    Sierra HD Denali

  • Sierra HD Denali Ultimate

    Sierra HD Denali Ultimate

2024 GMC Sierra HD CONFIGURATIONS

* Model and trim configurations may vary
  • Sierra HD Crew Cab, Long Bed
    Sierra HD Crew Cab, Long Bed
  • Sierra HD Regular Cab, Long Bed
    Sierra HD Regular Cab, Long Bed
  • Sierra HD Double Cab, Standard Bed
    Sierra HD Double Cab, Standard Bed
  • Sierra HD Double Cab, Long Bed
    Sierra HD Double Cab, Long Bed
  • Sierra HD Crew Cab, Standard Bed
    Sierra HD Crew Cab, Standard Bed

GMC Sierra HD Dealer in Alton

2024 GMC Sierra HD PERFORMANCE Performance Icon

2024 GMC Sierra HD performance

SIERRA HEAVY DUTY ADVANCED TRAILERING

The New 2024 Sierra Heavy Duty offers the most trailering-assistance technologies in its class, and this available advanced tech allows you to trailer with enhanced confidence and improved views.

2024 GMC Sierra HD performance

ADAPTIVE CRUISE CONTROL WITH TRAILERING

This available feature is an all-new technology for Sierra Heavy Duty. It allows Sierra Heavy Duty’s available Adaptive Cruise Control to account for additional drag and increased braking distances when towing a trailer.

2024 GMC Sierra HD APPEARANCE Appearance Icon

2024 GMC Sierra HD Appearance Main Img
2024 GMC Sierra HD appearance

STAND OUT IN ULTIMATE STYLE

Denali Ultimate’s signature style boldly announces its presence everywhere you go.

2024 GMC Sierra HD appearance

STAND-OUT IN AT4 STYLE

  • Redesigned AT4 Grille and Front Fascia
  • New LED Projector Headlamps and Signature Lighting With Animated Sequences
  • Available Power-Retractable Assist Steps With LED Perimeter Lighting
  • World’s First Six-Function GMC MultiPro Tailgate
  • Red Vertical Recovery Hooks
  • Spray-on Bedliner With AT4 Logo
  • Standard 20" Gloss-Black Aluminum Wheels With Available BFGoodrich Off-Road Tires
2024 GMC Sierra HD appearance

DENALI SETS THE STANDARD

Sierra HD Denali’s advanced tech and premium signature Denali styling are first-class all the way.

2024 GMC Sierra HD COMFORT Comfort Icon

2024 GMC Sierra HD comfort

FIRST-CLASS INTERIOR FEATURES:

  • Spacious Interior Features Best-in-Class Crew Cab Front Head and Leg Room 
  • Perforated Forge Leather Seating Surfaces With Contrasting Stitch Pattern
  • Aluminum Trim and Chrome Accents
  • Premium Instrument Panel and Door Trim With Authentic Open-Pore Walnut Wood Detailing
  • Embroidered Denali Logo on Front Seatbacks
  • Etched Stainless-Steel Speaker Grille Details
2024 GMC Sierra HD comfort

AVAILABLE 12.3” DIAG. DIGITAL DRIVER INFORMATION CENTER

Sierra Heavy Duty features an available 12.3" diagonal digital Driver Information Center. Control and customize important vehicle, driving and infotainment content with high-resolution clarity.

2024 GMC Sierra HD comfort

Bose® Premium Series with 12-speaker system

  • 12-speakers with Richbass® woofer
  • Bose® is renowned for expert sound engineering and high-quality audio and with premium speakers positioned throughout the cabin, you'll get rich, concert-like sound

2024 GMC Sierra HD SAFETY & WARRANTY Safety Icon

PRO GRADE PROTECTION

Standard on every new GMC - GMC Pro Grade Protection has you truly protected with features and services including:

  • 3-year / 36,000-mile Bumper-to-Bumper Limited Warranty
  • 5-year / 60,000-mile Powertrain Limited Warranty
  • 5-year / 60,000-mile Roadside Assistance & Courtesy Transportation
  • 3-year / 36,000-mile Corrosion Protection
  • 6-year / 100,000-mile Rust-Through Protection
  • First maintenance visit
2024 GMC Sierra HD Safety Main Img
2024 GMC Sierra HD safety

HD Rear Vision Camera

  • Shows high-resolution digital image of area directly behind your vehicle while in Reverse
  • Can help you park or avoid vehicles and objects
  • You can also display an overlay of where your vehicle is heading
  • May require additional optional equipment
2024 GMC Sierra HD safety

AVAILABLE MULTICOLOR 15” DIAG. HEAD-UP DISPLAY

The multicolor 15" diagonal Head-Up Display keeps your most important information in view, including:

  • Speed
  • Tachometer
  • Safety Alerts
  • Audio
  • Low-Fuel Warning
  • Phone
  • Off-Road Inclinometer

We're sorry, but we do not have a 2024 GMC Sierra HD in our current inventory.

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