2017-2018 GMC Sierra 1500 All Terrain X; The Sierra 1500 All Terrain package traces back as early as the second-generation of the pickup truck, debuting in 2007 and arriving for the 2008 model year.

The GMC Sierra All Terrain HD could be an excellent chance at redemption, but we wonder if there’s a market for a diesel-powered HD off-road halo truck that could probably cost more than $65,000.

The 2018 GMC Sierra 2500HD All Terrain X is an off-road, all-rugged alternative to the brand’s on-road, all-luxury Denali offerings. Skip to content. All Sections. Subscribe Now. 44°F.

Enter GMC with a well-timed All Terrain X package for the Sierra 1500. The truck reviewed here is a two-step march up from the base $48,465 Sierra 1500 4WD Crew Cab SLT, which lives just below the ...

With the addition of the all-electric GMC Sierra to the brand’s product range, we thought it would be ideal to take a look ...

GMC is getting its heavy-duty trucks ready for the mud this summer with its All Terrain package for the Sierra 2500HD and 3500HD. Meant to blend style, tech and ruggedness, the pack includes a lot ...

GMC Sierra All Terrain HD concept – Click above for high-res image gallery. If you think the Ford F-150 SVT Raptor is too hot yet the Dodge Ram Power Wagon is too cold, General Motors‘ latest ...

GMC Sierra All-Terrain: First Look. The General Needs To Build This Truck. Courtesy GMC Photographer Douglas McColloch Writer May 01, 2011. See All 5 Photos.

In an attempt to further expand and harmonize the GMC brand, the 2015 Sierra Heavy Duty will now get the All Terrain HD trim package option that the Sierra 1500 has offered for several years.

GMC Sierra All Terrain X coming this spring. Full-size Sierra pickup's X package adds performance exhaust, mud tires and more . By Jake Lingeman Published: Jan 28, 2016. Save Article.

It's also why GMC has given the Sierra HD a rough, tough makeover. The Sierra HD All Terrain X is readier than ever to take on the wilderness, and look good while it's doing it.

2017-2019 GMC Sierra HD All Terrain X; Like the Sierra 1500 All Terrain, the package was offered on SLE or SLT trims, but this would change by the 2018 model year, at which time the package was ...