Quality Buick GMC

1620 East Homer Adams Pkwy Alton, IL 62002

2021 GMC Yukon OVERVIEW Overview Icon

2021 GMC Yukon in Alton

  • 5.3L V8 Engine
  • Bose® 9-Speaker Audio System
  • Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones
  • HD Rear Vision Camera
2021 GMC Yukon Main Img

2021 GMC Yukon MODELS

  • Yukon SLT

    Yukon SLT

  • Yukon XL SLT

    Yukon XL SLT

  • Yukon Denali

    Yukon Denali

  • Yukon XL Denali

    Yukon XL Denali

GMC Yukon Dealer in Alton

2021 GMC Yukon PERFORMANCE Performance Icon

2021 GMC Yukon performance

5.3L V8 Engine

  • 355 hp and 383 lb-ft of Torque
  • 10-Speed Automatic Transmission
  • EPA-estimated mpg (2WD): 16 city/20 hwy
  • Direct Injection
  • Dynamic Fuel Management
  • Variable Valve Timing 
2021 GMC Yukon performance

Hill Start Assist

Hill Start Assist holds the brakes momentarily to give you extra time to switch from the brake to the accelerator under certain conditions. AT4 image shown. AT4 arriving fall 2020.

2021 GMC Yukon performance

Magnetic Ride Control

Magnetic Ride Control is an advanced suspension system that precisely reads the road up to 1,000 times a second, resulting in a smooth and controlled ride. Standard on Denali only.

2021 GMC Yukon APPEARANCE Appearance Icon

2021 GMC Yukon Appearance Main Img
2021 GMC Yukon appearance
2021 GMC Yukon appearance

2021 GMC Yukon COMFORT Comfort Icon

2021 GMC Yukon comfort


  • Wireless Charging
  • Up to Eight USB Ports
  • Two 110-Volt Power Outlets
  • One 12-Volt Power Outlet
2021 GMC Yukon comfort


No matter which trim level you choose – from SLT to Denali – the Next Generation Yukon delivers a refined interior with advanced technologies and welcoming features that create a premium experience.

2021 GMC Yukon comfort


Experience a versatile interior that offers flexible seating and storage options.

  • Impressive Second-Row Fold-Flat Seats
  • Available Second-Row Power-Release Fold-and-Tumble Bucket Seats
  • Second-Row Slide for Better Entry/Egress for Second and Third Row (Compared With Previous Generation)
  • Available Third-Row Power Fold-Flat Seats That Offer an Impressive Rear Opening and Load Floor for Cargo (Compared With Previous Generation)

2021 GMC Yukon SAFETY & WARRANTY Safety Icon


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 Yukon Safety Main Img
2021 GMC Yukon safety


The 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, or is in your side blind zone.

2021 GMC Yukon safety


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

2021 GMC Yukon safety


The Front Pedestrian Braking can alert you when a collision is detected to be imminent with a pedestrian directly ahead at speeds below 50 MPH. It can also help reduce the collision’s severity or avoid the collision by automatically applying hard emergency braking if you have not already, or by enhancing driver hard braking. Performance is limited at night.

  1. The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. See your GMC dealer for details.

Quality Buick GMC has a 2021 GMC Yukon for sale