GMC Sierra HD AT4X and Extreme AEV Edition Preview

Many Buffalo and Blasdell drivers are well-acquainted with the hard-working GMC Sierra HD. This full-size heavy-duty truck is designed to get hard jobs done. But now it’s also getting serious about play: The 2024 GMC Sierra HD now includes two special editions designed specifically for off-road action. See what the GMC Sierra HD AT4X and Extreme AEV Edition will add to the lineup with Robert Basil Buick GMC, then browse our Sierra HD inventory to find your next truck. 

2024 GMC Sierra HD AT4X Features

The GMC AT4X configuration has been a favorite among Sierra 1500 and GMC Canyon drivers for several years. Now it’s the Sierra HD’s turn to get this powerful make-over. Along with a full redesign for the GMC Sierra HD line, this special trim addition is like nothing you’ve experienced on West Seneca streets to date, with features that will include: 

• Available 18,500-pound max trailering capacity
• Factory-installed 1.5-inch (38mm) suspension lift
• Multimatic DSSV dampers
• Rear e-locking differential
• 35-inch Goodyear Territory tires
• Specific front upper and lower control arms and specific steering knuckles
• Larger steel transfer case skid plate and front aluminum skid plate
• Unique Obsidian Rush interior featuring premium appointments like massaging, full-grain leather-wrapped front seats

In addition to these great features, the GMC HD AT4X wil also come equipped with Off-Road Mode. This drive mode activates even more features to enhance your off-road experience, such as anti-lock brakes, traction control, and stability control.

2024 GMC Sierra HD AT4X Extreme AEV Edition

Take the GMC Sierra HD AT4X and boost it even further, and you get the Extreme AEV Edition. This package adds: 

• Stamped steel bumpers with integrated recovery points 
• Front winch capability 
• Heavy duty steel skid plates 

2024 GMC Sierra HD AT4X Specs

With all these incredible features at the ready, there needs to be a good foundation so they can work their best. You’ll find that foundation in the Sierra HD which will include:

• Standard 6.6L gas engine 
• Available 6.6L Duramax Turbo-Diesel. Enhanced for 2024 that generates 470 horsepower and 975 lb-ft of torque
• Allison 10-speed automatic transmission
• Available ProGrade Trailering System
• Available enhanced, industry-first Transparent Trailer Viewfor Gooseneck and Fifth Wheel Trailering
• Available Trailer Side Blind Zone Alert 
• Available Adaptive Cruise Control with Trailering
• 14 available camera views including Hitch View, Bed View with Zoom and Bed Hitch Guidance, and Rear Side View with Trailer Length Indicator
• 12-speaker Bose® Premium Series audio system with Centerpoint surround technology
• Tablet-style 13.4-inch-diagonal infotainment touchscreen
• 12.3-inch-diagonal configurable driver information center 
• 15-inch-diagonal head-up display

Find Your Sierra HD AT4X at Robert Basil Buick GMC

Get ready for this latest Sierra HD truck when it arrives at Robert Basil Buick GMC this fall! Use our payment calculator to get your finances ready so you’ll have a monthly payment that fits your budget. Then apply for financing with us for an excellent truck loan rate.