- First time the AT4X badge has been used on a Sierra HD
- 18,500-pound max trailering capacity
- 1.5-inch suspension lift and Multimatic DSSV dampers
- Locking rear e-differential
- 35-inch Goodyear Territory tires
- AT4X AEV gets stamped steel bumpers and 18-inch Salta wheels.
Starting with a standard Sierra HD AT4 with a 1.5-inch factory lift kit, Multimatic DSSV dampers, and an electronic locking rear differential. Also equipped with a set of 35-inch Goodyear Territory tires and beefier skit plates.
Sierra HD AT4X AEV Interior
The interior is an Obsidian Rush theme that has full-grain leather-upholstered seats feature standard massage functionality, while the dash is finished in authentic Vanta Ash wood trim.
A 13.4-inch central infotainment screen complements a 12.3-inch digital instrument cluster and a 15-inch head-up display. A 12-speaker Bose sound system provides the tunes.
“GMC’s AT4X trim, which will be available across the entire GMC truck lineup, offers customers more premium choices when it comes to ‘do-it-all’ capabilities,” said Duncan Aldred, Global Vice President of Buick-GMC. “Each model delivers unique strengths, with the all-new Sierra HD AT4X taking it to the max, giving our customers the most luxurious and most off-road capable HD we’ve ever offered. AT4X means you can conquer almost any terrain, in complete comfort and with the towing power to bring your recreational toys, gear or camper along for the adventure.”
See more at GMC.com
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