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1620 East Homer Adams Pkwy Alton, IL 62002

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2020 GMC Sierra 1500 Denali OVERVIEW Overview Icon

2020 GMC Sierra 1500 Denali in Alton

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  • GMC MultiPro Tailgate
  • Adaptive Ride Control
  • ProGrade Trailering System
  • 8" diagonal, digital Driver Information Center
  • Front and Rear Park Assist
2020 GMC Sierra 1500 Denali Main Img

2020 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

2020 GMC Sierra 1500 Denali PERFORMANCE Performance Icon

2020 GMC Sierra 1500 Denali performance

Traction Select System

This system allows the driver to choose from preset drive modes that have been tailored for different terrain or weather conditions. It adjusts Sierra’s transmission shift points, throttle mapping and StabiliTrak to optimize performance for the situation. The system also reacts with the Adaptive Ride Control in Sierra Denali to further enhance the driving experience and refine the ride. The available modes in the Traction Select System are:

  • Tour
  • Sport
  • Off-Road (4WD models)
  • Snow (2WD models only)
  • Tow/Haul
2020 GMC Sierra 1500 Denali performance

Continuous Damping Adaptive Ride Control

The Sierra Denali pickup truck serves up a smooth, comfortable ride with continuous damping Adaptive Ride Control. With enhanced road isolation and control, this feature uses sensors to monitor both the road and vehicle while accelerating, cornering, braking and trailering, responding quickly to the input from the road.

2020 GMC Sierra 1500 Denali performance

DYNAMIC FUEL MANAGEMENT SYSTEM

Included with the 5.3L V8 and available 6.2L V8, the Dynamic Fuel Management system enables the engine to operate in 17 different patterns between 2 and 8 cylinders, depending on demand, to optimize power delivery and efficiency.

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2020 GMC Sierra 1500 Denali Appearance Main Img
2020 GMC Sierra 1500 Denali appearance

Standard High-Strength Steel Cargo Bed

Sierra Denali’s bed takes the cargo-loading experience to a new level:

  • More cargo bed volume than any competitor, from 62.9 to 71.7 cu. ft.1
  • High-strength, roll-formed steel for a more durable bed floor
  • The six-function GMC MultiPro™ Tailgate, offers a fold-out step and better access to the bed
  • 12 total cargo tie-downs – rated up to 500 lbs per corner2
  • Rear and side task lighting
  • 120V electrical outlet in the bed
  • Large CornerStep footwells in the rear bumper
2020 GMC Sierra 1500 Denali appearance

New Available Trailer Tow Mirrors

The Trailer Tow Mirrors help you trailer with more confidence.

  • Heated upper glass (driver and passenger)
  • Power fold/manual extend and retract
  • Lower convex mirrors
  • LED turn signal indicators/clearance lamps
  • LED perimeter lighting
  • LED rear guidance lamps
  • LED forward auxiliary task lighting

2020 GMC Sierra 1500 Denali COMFORT Comfort Icon

2020 GMC Sierra 1500 Denali comfort

8" Digital Driver Information Center

Positioned between the vehicle’s gauges, this helpful feature presents important vehicle information including audio, trailer, phone and safety alerts.

2020 GMC Sierra 1500 Denali comfort

In-Vehicle Trailering App

To help improve your trailering experience, the in-vehicle Trailering App offers a variety of useful features. The app is integrated with and accessible through Sierra’s Infotainment System,2 with features including:

  • Create 5 defined trailer profiles base on trailer name, trailer type, trailer hitch type
  • Maintenance reminders
  • Step-by-step pre-departure checklists
  • Trailer lighting sequence test
  • Tire pressure monitoring system3 that measures pressure and temperature
  • Track trailer mileage and fuel economy
2020 GMC Sierra 1500 Denali comfort

Premium Denali Interior

The Sierra Denali’s well-designed interior is crafted out of quality materials such as:

  • Authentic open-pore ash wood trim
  • Premium Forge leather-appointed seating with perforated inserts
  • 10-way power-adjustable front seats that are heated and ventilated
  • Leather-wrapped heated steering wheel
  • Unique seat-sew and stitching style
  • Real aluminum trim
     
2020 GMC Sierra 1500 Denali comfort

Quiet Driving Experience

Engineered for a smooth, quiet ride, this premium pickup truck provides the comfort people expect from Sierra Denali:

  • Segment-exclusive Continuous Damping Adaptive Ride Control helps you enjoy the ride by isolating you and your passengers from road input
  • Sound-absorbing technology is used in the dash and carpet
  • Doors are inlaid and triple-sealed
  • Sierra Denali is engineered to absorb engine torsional vibration

2020 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
2020 GMC Sierra 1500 Denali Safety Main Img
2020 GMC Sierra 1500 Denali safety

Lane Change Alert with Side Blind Zone Alert

Lane Change Alert with Side Blind Zone Alert can help you avoid lane change crashes by providing side-mirror alerts when a moving vehicle is detected rapidly approaching a side blind zone, or is in a side blind zone.

2020 GMC Sierra 1500 Denali safety

Rear Cross Traffic Alert

Rear Cross Traffic Alert can alert you to detected left- or right-cross traffic behind you when in Reverse.

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