To help with positioning, after backing up to a trailer hitch using Hitch View1, Sierra AT4 Heavy Duty will automatically apply the parking brake upon shifting into park to avoid unintentional rolling.
Roll-formed high-strength steel bed
Durable spray-on bedliner with AT4 logo
12 cargo tie-downs (500-lb rating per corner)
Best-in-class heavy-duty cargo bed volume:
Standard Bed: 69.6 cu. ft.
-Long Bed: 83.5 cu. ft.
The opened inner gate provides a work surface as well as second-tier loading.
A multicolor 15" diagonal Head-Up Display, the first in a heavy-duty pickup, helps you keep your eyes on the road by conveniently projecting key information directly onto the windshield such as:
Sierra AT4 Heavy Duty is being designed to integrate ASA Electronics' iN∙Command® Control System with Global Connect1 and accessed through the myGMC mobile app.2 The system allows owners to monitor and control a range of smart systems, such as water tank levels, HVAC controls and even power slide-outs, in recreational trailers equipped with the technology.
Convenient storage solutions are found inside the rear outboard seatbacks and underneath the rear seats.
Durable all-weather floor liners help protect your vehicle’s floors from dirt and debris.
Standard on every new GMC - GMC Pro Grade Protection has you truly protected with features and
- Two maintenance visits
- 3-year / 36,000-mile Bumper-to-Bumper Warranty
- 5-year / 60,000-mile Powertrain Warranty
- 5-year / 60,000-mile Roadside Assistance & Courtesy Transportation
- 3-month trial of OnStar Guidance Plan with a suite of emergency security and diagnostic services
- 5-year OnStar Basic Plan
Automatic Emergency Braking operates below 50 mph, and can alert you when it detects a front-end collision is imminent with a vehicle ahead you are following. It also can 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.
Lane Departure Warning can provide alerts to help you avoid crashes due to unintentionally drifting out of your lane when your turn signal is not activated.