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1620 East Homer Adams Pkwy Alton, IL 62002

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2017 GMC Sierra 2500 Denali HD OVERVIEW Overview Icon

2017 GMC Sierra 2500 Denali HD in Alton

We engineered the Sierra 2500 Denali HD to exceed your performance expectations, pushing it to the limit to deliver the kind of professional grade capability you demand.

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  • Duramax® 6.6L Turbo-Diesel V8 engine
  • Power steering with Active Hydraulic Assist
  • Remote locking tailgate
  • Heated steering wheel
  • Heated and ventilated seating
2017 GMC Sierra 2500 Denali HD Main Img

GMC Sierra 2500 Denali HD Dealer in Alton

2017 GMC Sierra 2500 Denali HD PERFORMANCE Performance Icon

2017 GMC Sierra 2500 Denali HD performance

Steering Wheel Controls and Infotainment System

Premium materials and an intuitive layout create a refined and comfortable cabin with features such as a 8" diagonal driver display that can be reconfigured for vehicle and media information.

2017 GMC Sierra 2500 Denali HD performance

Available Spray-On Bedliner

Our high-performance bedliner helps to protect your truck bed from scratches, dents and corrosion by providing it with a durable, watertight seal.

2017 GMC Sierra 2500 Denali HD performance

Signature Denali Grille

Denali style starts right up front with the unique signature three-bar chrome grille, featuring a distinct pattern and a finish that reflects light from every angle.

2017 GMC Sierra 2500 Denali HD performance

Durable Soft-Touch Instrument Panel

The durable soft-touch instrument panel displays important information such as speed, RPMs, average fuel consumption, and other useful gauges.

2017 GMC Sierra 2500 Denali HD APPEARANCE Appearance Icon

Spray-On Bedliner Assist Steps Splash Guards 2017 GMC Sierra 2500 Denali HD Appearance Main Img
2017 GMC Sierra 2500 Denali HD appearance

Spray-On Bedliner

A durable spray-on liner protects your truck bed from scratches, dents and other harmful debris.

2017 GMC Sierra 2500 Denali HD appearance

Chromed Tubular Assist Steps

Located behind the cab at the side of the truck, are 6-inch chromed tubular assist steps to help in the event of loading or unloading.

2017 GMC Sierra 2500 Denali HD appearance

Body Color Molded Splash Guards

Requires Quicksilver Metallic, Summit White, Onyx Black, White Diamond Tricoat or Fire Red exterior color.

2017 GMC Sierra 2500 Denali HD COMFORT Comfort Icon

2017 GMC Sierra 2500 Denali HD comfort

Long Haul Comfort

Standard features include heated and ventilated, perforated leather-appointed front seats, heated and leather-wrapped steering wheel, durable soft-touch instrument panel, and aluminum trim accents.

2017 GMC Sierra 2500 Denali HD comfort

Intuitive Infotainment

The infotainment system on the 2500 Denali brings an IntelliLink 8" color-touch radio with navigation, access to phone, maps, and weather, Bluetooth® connectivity, and even download select in-vehicle apps via Shop.

2017 GMC Sierra 2500 Denali HD comfort

Quiet Cabin

The 2500 Denali's quiet cabin boasts triple door seals that help block outside noise, aerodynamic exterior mirrors that help reduce wind noise, and hydraulic body and engine mounts to help reduce vibration.

2017 GMC Sierra 2500 Denali HD comfort

Easy-To-Reach Controls

Easy-to-reach controls for safety and convenience features (Shown with available features). One unique feature is a large center console with space for hanging folders or even laptops. Also available are the wireless charging pad and 110V power outlet.

2017 GMC Sierra 2500 Denali 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:

- Two maintenance visits
- 3-year / 36,000-mile Bumper-to-Bumper Warranty
- 5-year / 60,000-mile Powertrain Warranty
- 5-year / 60,000-mile Roadside Assistance & Courtesy Transportation
- 3-month trial of OnStar Guidance Plan with a suite of emergency security and diagnostic services
- 5-year OnStar Basic Plan

2017 GMC Sierra 2500 Denali HD Safety Main Img
2017 GMC Sierra 2500 Denali HD safety

LED Signature Front Lighting

LED signature front lighting includes bright and beautiful projector-beam headlamps with HID bulbs as well as available amber roof marker lamps.

2017 GMC Sierra 2500 Denali HD safety

Forward Collision Alert

If the system detects that a front-end collision situation is imminent while following a detected vehicle, the system alerts the driver to a potential crash. It also alerts the driver if the driver is following a detected vehicle much too closely.

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