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1620 East Homer Adams Pkwy Alton, IL 62002

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2023 GMC Sierra 1500 Denali OVERVIEW Overview Icon

2023 GMC Sierra 1500 Denali in Alton

  • Standard 5.3L V8 Gas Engine or Available Enhanced 3.0L Duramax® Turbo-Diesel Engine or Available 6.2L V8 Gas Engine with 10-Speed Automatic Transmission
  • Available CarbonPro Composite Bed
  • 13.4" Diagonal Center Touch-Screen, 12.3" Diagonal Digital Driver Information Center and Available Multicolor 15" Diagonal Head-Up Display
  • Authentic Open-Pore Wood, Patterned Aluminum Trim and Forge Perforated-Leather Seating Surfaces
2023 GMC Sierra 1500 Denali Main Img

2023 GMC Sierra 1500 Denali MODELS

  • Sierra 1500 Denali

    Sierra 1500 Denali

  • Sierra 1500 Denali Ultimate

    Sierra 1500 Denali Ultimate

GMC Sierra 1500 Denali Dealer in Alton

2023 GMC Sierra 1500 Denali PERFORMANCE Performance Icon

2023 GMC Sierra 1500 Denali performance

5.3L V8

The 5.3L V8 engine offers powerful capability to help you tackle the open road with confidence. Standard on SLT and Denali. Available on Pro, SLE and Elevation.

  • 355 available horsepower
  • 383 lb.-ft. of available torque
  • Max available trailering: up to 11,200 lbs.
2023 GMC Sierra 1500 Denali performance

ENHANCED 3.0L DURAMAX TURBO-DIESEL

The second-generation 3.0L Duramax Turbo-Diesel engine is now enhanced thanks to several key component upgrades including new steel pistons with a revised combustion bowl, retuned turbo compressor, new fuel injectors and improved temperature control features. Standard on AT4. Available on SLE, Elevation, SLT, Denali and Denali Ultimate.

  • Best-in-class diesel horsepower of 305
  • Best-in-class torque of 495 lb.-ft.
  • 24 city/29 hwy MPG (2WD)
  • Active thermal management
  • Best-in-class 4WD diesel towing capacity: up to 13,000 lbs.
  • 10-speed automatic transmission
2023 GMC Sierra 1500 Denali performance

6.2L V8

Paired with a 10-speed automatic transmission and delivering 420 horsepower and 460 lb.-ft. of torque, this engine has the serious power you need for big jobs or big fun. Standard on AT4X and Denali Ultimate. Available on SLT, AT4 and Denali.

  • 420 available horsepower
  • 460 lb.-ft. of available torque
  • 15 city/19 hwy MPG (4WD)
  • Dynamic Fuel Management
  • Max available trailering: up to 13,000 lbs.
  • 10-speed automatic transmission

2023 GMC Sierra 1500 Denali APPEARANCE Appearance Icon

2023 GMC Sierra 1500 Denali Appearance Main Img
2023 GMC Sierra 1500 Denali appearance

UNMISTAKABLE DENALI STYLE

Sierra 1500 Denali’s harmonious proportions, confident stance and premium chrome accents create an unmistakable look that makes an impression everywhere you go.

2023 GMC Sierra 1500 Denali appearance

STAND APART IN DENALI ULTIMATE

Head-turning exterior features include many exclusives that help give the vehicle its signature look, including the Denali grille finished in Vader Chrome and 22" 7-spoke ultra-bright machined aluminum wheels with bright chrome accents.

2023 GMC Sierra 1500 Denali appearance

SIERRA 1500 DENALI ULTIMATE EXTERIOR FEATURES

  • Dual-projector LED headlamps and daytime running lamps with fade-on/fade-off animated lighting sequences
  • Distinctive signature Denali grille finished in Vader Chrome
  • Vader chrome GMC badging
  • Unique Denali Ultimate fender badging
  • Exclusive 22" 7-spoke ultra-bright machined aluminum wheels with bright chrome accents
  • Available GMC MultiPro Power Assist Steps
  • World’s first six-function MultiPro tailgate with KICKER® audio system

2023 GMC Sierra 1500 Denali COMFORT Comfort Icon

2023 GMC Sierra 1500 Denali comfort

SIERRA 1500 DENALI ULTIMATE OFFERS ADVANCED TECH:

  • 12-speaker Bose® Performance Audio
  • 12.3" Diagonal Driver Infotainment Center
  • 13.4" diagonal center touch-screen
  • GMC Sierra offers the most trailering assistance technologies in its class with 14 camera views including Hitch View
  • Available Google Built-in compatibility with 3 years of OnStar® Safety & Security Plan and GMC Connected Services included
  • Multicolor 15" Diagonal Head-Up Display and Rear Camera Mirror
2023 GMC Sierra 1500 Denali comfort

12-SPEAKER BOSE® PREMIUM SERIES

Standard on Sierra 1500 Denali Ultimate is the technologically advanced 12-speaker Bose Premium Series with Centerpoint® surround sound, which analyzes the stereo signal and converts to multiple channels to create a concert-like listening experience. It’s further enhanced by AudioPilot® noise-compensation technology to help monitor sustained background noise and adjust the music so you can hear it better.

2023 GMC Sierra 1500 Denali comfort

SIERRA 1500 DENALI INTERIOR FEATURES:

Denali’s interior features signature styling and amenities reserved for the finest vehicles making all your travels a first-class experience.

  • Spacious interior features best-in-class Crew Cab front head and leg room
  • Perforated Forge leather seating surfaces with contrasting stitch pattern
  • Patterned aluminum trim and chrome accents
  • Premium instrument panel and door trim with chrome and authentic open-pore Walnut wood detailing
  • Embroidered Denali logo on front seatbacks
  • 10-way power driver and front-passenger seats, including two-way lumbar control
  • Power tilt and telescoping steering column and driver-seat memory
  • Etched stainless-steel speaker grille details

2023 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
2023 GMC Sierra 1500 Denali Safety Main Img
2023 GMC Sierra 1500 Denali safety

Automatic Emergency Braking

  • Works with Forward Collision Alert to help you avoid or reduce the severity of a front-end collision with a detected vehicle you're following
  • Camera technology is used to automatically provide hard emergency braking or enhance the driver's hard braking
  • This feature works at speeds below 50 mph
  • May require additional optional equipment
2023 GMC Sierra 1500 Denali safety

UP TO 14 AVAILABLE CAMERA VIEWS

  • Transparent Trailer View
  • Hitch View
  • Cargo Bed View (with Zoom View and Hitch Guideline)
  • Front Camera View
  • Rear Camera View
  • Surround View
  • Front Top-Down View
  • And more
2023 GMC Sierra 1500 Denali safety

Forward Collision Alert

  • Can warn you if it detects a potential front-end collision with a vehicle you're following so you can quickly take action
  • It can also provide a tailgating alert if you're following a vehicle much too closely
  • May require additional optional equipment

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