What is GMC AT4?


The GMC AT4 (All-Terrain 4WD) is the GMC lineup taken to the next level of off-road capability. First introduced in 2019, this vehicle trim is a clear-cut off-road option for the outdoor adventure enthusiasts. Enjoy premium features now standard such as 4-wheel drive, improved suspension, premium tires, and more interior enhancements than base trim levels. Check out more details below regarding this GMC vehicle sub-brand, and find your next GMC AT4 model here at Gus Brown Buick GMC in Whitby, Ontario.

GMC AT4 Features

While each AT4 trim enhancements vary with each specific GMC model, all AT4 vehicles feature off-road improvements to the base vehicle.


Standard enhancements you’ll find in all AT4s include 4-wheel drive, off-road tires, darker exterior accents, black-chrome grilles, and upgraded suspensions. Furthermore, each AT4 model includes some of the additional interior and technology enhancements listed below to deliver an unrivalled GMC experience.

Highlighted Exterior Features (Select Models)

  • Underbody Skid Plates
  • Factory-Installed Suspension Lift
  • Available Recovery Hooks

GMC AT4 models also enjoy the improved Active Torque Control AWD system, Hill Descent Control, and enhanced Off-Road Traction.

Highlighted Interior Features (Select Models)

  • Signature Jet Black Leather Interior with AT4 Accents
  • Distinctive AT4 Badging & Aluminum Accents
  • Premium Floor Liners

The GMC AT4 lineup also offers interior technology upgrades such as a 15” Heads-Up Display, HD Surround Vision, and Rear-View Camera Systems

Which GMC Vehicles Offer AT4 Models?

For the 2022 model year, all vehicles in the GMC model lineup offer the AT4 trim as an option for drivers.

GMC Canyon

GMC Sierra 1500

GMC Sierra HD

GMC Terrain

GMC Acadia

GMC Yukon

Check out our current GMC inventory here at Gus Brown Buick GMC, your premier GMC dealership in Whitby, Ontario for all things related to GMC sales, service, and parts. For the best off-road experience, find your next off-road vehicle with us at Gus Brown, and book your test drive today.