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1620 East Homer Adams Pkwy Alton, IL 62002

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2026 GMC Yukon AT4 OVERVIEW Overview Icon

2026 GMC Yukon AT4 in Alton

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  • High approach angle front fascia with skid plate and red recovery hooks*
  • 20" machined and painted Carbon Flash Metallic wheels with all-terrain tires
  • Heated and ventilated front seats
  • Magnetic Ride Control
2026 GMC Yukon AT4 Main Img

2026 GMC Yukon AT4 MODELS

  • Yukon AT4

    Yukon AT4

  • Yukon AT4 Ultimate

    Yukon AT4 Ultimate

GMC Yukon AT4 Dealer in Alton

2026 GMC Yukon AT4 PERFORMANCE Performance Icon

2026 GMC Yukon AT4 performance

5.3L V8 ENGINE

Powerful capability to help you tackle the open road with confidence.

2026 GMC Yukon AT4 performance

6.2L V8 ENGINE

This available powerful engine offers the epitome of performance.

2026 GMC Yukon AT4 performance

AIR RIDE ADAPTIVE SUSPENSION

Available four-corner Air Ride Adaptive Suspension optimizes ride height and comfort by adjusting to the driving conditions.

2026 GMC Yukon AT4 APPEARANCE Appearance Icon

2026 GMC Yukon AT4 Appearance Main Img
2026 GMC Yukon AT4 appearance

STRIKING FRONT DESIGN

The AT4 and AT4 Ultimate full-size off-road SUVs feature assertive styling and unique badging.

2026 GMC Yukon AT4 appearance

BOLD WHEELS

Yukon AT4 and AT4 Ultimate each feature all-terrain tires, as well as 20" machined and painted wheels with unique finishes.

2026 GMC Yukon AT4 appearance

ASSIST STEPS

Assist steps on AT4 and power-retractable assist steps on AT4 Ultimate help make it easier for passengers to enter and exit.

2026 GMC Yukon AT4 COMFORT Comfort Icon

2026 GMC Yukon AT4 comfort

AT4 ULTIMATE INTERIOR

Features a luxurious, athletic and purposeful interior designed to let you travel in ultra-premium style and comfort.

2026 GMC Yukon AT4 comfort

POWER-SLIDING CENTER CONSOLE

Touch and hold a button to slide the available Power-Sliding Center Console back 10 inches for additional storage room.

2026 GMC Yukon AT4 comfort

PANORAMIC SUNROOF

This available feature includes dual panes with tilt sliding, express-open and express-close, and a power sunshade.

2026 GMC Yukon AT4 comfort

AVAILABLE REAR-SEAT MEDIA SYSTEM

Backseat passengers can stream their favorite entertainment with 12.6" diagonal color-touch LCD high-definition screens, two Bluetooth* headphone sets and two HDMI® ports on the back of the center console.

2026 GMC Yukon AT4 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
2026 GMC Yukon AT4 Safety Main Img
2026 GMC Yukon AT4 safety

REAR PEDESTRIAN BRAKING

If your vehicle is in reverse, Rear Pedestrian Braking can alert you to detected pedestrians directly behind your vehicle and can provide hard automatic braking to avoid a rear-end collision.

2026 GMC Yukon AT4 safety

ENHANCED AUTOMATIC EMERGENCY BRAKING

Enhanced 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, including at highway speeds. Radar and camera technology are used to automatically provide hard emergency braking or enhance the driver’s hard braking.

2026 GMC Yukon AT4 safety

SIDE BLIND ZONE ALERT

Side Blind Zone Alert can provide side-mirror visual alerts when a moving vehicle is detected in a side blind zone. It can help you avoid lane change collisions.

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