2018 GMC Sierra All Terrain HD Off-Road Package Review & Changes – Not really that the 2018 GMC Sierra’s lineup is inadequate in range, but because we are discussing one of GM’s most popular, it in no way is painful to run after each and every single market achievable via diverse editions, that can bring us to the new All Terrain HD that proceeds purchase over the summer.
GMC claims it integrates much better off-road abilities with exclusive design features. Available on 2500HD and 3500HD double cab and crew cab Sierra models with SLE or SLT trims, the All Terrain HD arrives as standard with a 4WD system that features an electronically controlled shift case, and the Z71 Off Road package, with Rancho twin-tube shocks, hill descent control and a skid dish. The 6.0L V8 gas engine is standard whilst the 6.6-liter V8 Duramax turbo-diesel is provided as a possibility.
On the outside the house, customised features include a chrome encompass on the grille, exterior graphics, aluminum underbody shields and distinctive 18-inch six-spoke chrome cast-aluminum wheels. The 2500HD is available with 20-inch wheels, when 3500HD models get changeable outside the house camper wall mirrors with a chrome limit.
As for the interior, All Terrain HD models get (artificial) carbon fiber trim, specialized images, a standard rearview camera system and GM’s newest OnStar with 4G LTE and standard built-in Wi-Fi hotspot.