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1620 East Homer Adams Pkwy Alton, IL 62002

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2021 GMC Sierra 1500 Denali OVERVIEW Overview Icon

2021 GMC Sierra 1500 Denali in Alton

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  • 5.3L V8 engine with 8-speed automatic transmission
  • Bose® premium audio system
  • Heated steering wheel
  • Front and Rear Park Assist
2021 GMC Sierra 1500 Denali Main Img

2021 GMC Sierra 1500 Denali CONFIGURATIONS

* Model and trim configurations may vary
  • Sierra 1500 Denali Crew Cab Short Box
    Sierra 1500 Denali Crew Cab Short Box
  • Sierra 1500 Denali Crew Cab Standard Box
    Sierra 1500 Denali Crew Cab Standard Box

GMC Sierra 1500 Denali Dealer in Alton

2021 GMC Sierra 1500 Denali PERFORMANCE Performance Icon

2021 GMC Sierra 1500 Denali performance

FIRST-CLASS CAPABILITY

  • Sierra Denali Premium Suspension helps deliver a smooth, confident ride
  • Available Duramax® 3.0L Turbo-Diesel engine or 6.2L EcoTec®3 V8 engine
  • Segment-Exclusive Standard continuous damping Adaptive Ride Control uses sensors to monitor both the road and vehicle while accelerating, cornering, braking and trailering, responding quickly to the input from the road
  • Standard Automatic Locking Rear Differential offers improved traction on loose gravel or slippery surfaces by locking both rear wheels to deliver power where you need it
2021 GMC Sierra 1500 Denali performance

INTEGRATED TRAILER BRAKE CONTROLLER

Provides fingertip control and monitoring of your trailer brakes. The in-vehicle Trailering App allows drivers to program trailer brake level settings to specific trailer profiles. Available on Sierra, SLE and Elevation. Standard on SLT, AT4 and Denali.

2021 GMC Sierra 1500 Denali performance

SMART TRAILER INTEGRATION

  • Sierra Denali is designed to integrate ASA Electronics' iN∙Command® Control Systems with Global Connect that can be accessed through the available myGMC Mobile App
  • The system allows owners to monitor and control a range of smart systems, such as water tank levels, HVAC controls and even power slide-outs, in recreational trailers equipped with this technology

2021 GMC Sierra 1500 Denali APPEARANCE Appearance Icon

2021 GMC Sierra 1500 Denali Appearance Main Img
2021 GMC Sierra 1500 Denali appearance

DENALI’S PREMIUM LIGHTING

Purpose meets style with Sierra Denali’s signature, high-intensity LED headlamps with unique C-shaped lighting, LED taillamps and fog lamps. In addition, light blade technology helps create a premium look.

2021 GMC Sierra 1500 Denali appearance

POLISHED DUAL EXHAUST OUTLETS

Bright, polished dual exhaust outlets are seamlessly integrated into Sierra Denali’s rear bumper design, creating a sleek, sophisticated look that enhances its premium appearance.

2021 GMC Sierra 1500 Denali appearance

AVAILABLE MULTIPRO ASSIST STEPS

Sierra Denali’s available MultiPro Assist Steps give the powerful support needed for anyone to hop into this pick up.

2021 GMC Sierra 1500 Denali appearance

AVAILABLE DENALI CARBONPRO EDITION

  • Industry-first use of carbon-fiber composite in a pickup bed
  • World’s First Six-Function GMC MultiPro Tailgate
  • Accessory MultiPro Audio System by Kicker®
  • 3.0L Duramax® Turbo-Diesel engine with 10-speed automatic transmission or available 6.2L V8 Engine 
  • First-in-class 15" diagonal Head-Up Display
  • First-in-class Rear Camera Mirror
  • 22" high-gloss black or bright chrome wheels
  • GMC MultiPro Power Steps

2021 GMC Sierra 1500 Denali COMFORT Comfort Icon

2021 GMC Sierra 1500 Denali comfort

SEAT STORAGE

Available rear seatback storage includes two compartments inside the rear outboard seatbacks, perfect for stowing tablets, umbrellas or charging cords.

2021 GMC Sierra 1500 Denali comfort

UNDER-SEAT STORAGE

Available rear under-seat storage perfect for storing shoes, sports equipment or on-the-go tools.

2021 GMC Sierra 1500 Denali comfort

FRONT STORAGE

Lighted center console storage with available lockable console vault accessory, and large lower lockable glove box and upper glove box.

2021 GMC Sierra 1500 Denali comfort

SOPHISTICATED ACCENTS

  • Jet Black and exclusive Denali Dark Walnut/Dark Ash Grey interiors
  • Unique premium carpet floor mats with available premium front/rear floor liners with removable carpet inserts
  • Premium leather headrests with Denali embroidered logo
  • Authentic open-pore real ash wood trim
  • Premium Forge perforated leather seating surfaces
  • 10-way power-adjustable front seats that are heated and ventilated

2021 GMC Sierra 1500 Denali 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
2021 GMC Sierra 1500 Denali Safety Main Img
2021 GMC Sierra 1500 Denali safety

AVAILABLE FRONT PEDESTRIAN BRAKING

Front Pedestrian Braking can help you avoid or reduce the severity of a front-end collision with a pedestrian it detects directly ahead of you. It provides pedestrian alerts and can even automatically provide hard emergency braking or enhance the driver’s hard braking. The system works at speeds below 50 MPH during the daytime. It has limited nighttime and low visibility performance.

2021 GMC Sierra 1500 Denali safety

AVAILABLE LANE CHANGE ALERT WITH SIDE BLIND ZONE ALERT

Lane Change Alert with Side Blind Zone Alert can provide side-mirror visual alerts when a detected moving vehicle is quickly approaching or is in your side blind zone.

2021 GMC Sierra 1500 Denali safety

AVAILABLE REAR CROSS TRAFFIC ALERT

Rear Cross Traffic Alert can warn you of detected left- or right-cross traffic behind your vehicle when you’re in Reverse.

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