The Sierra HD is an extraordinarily impressive off-road truck, but GMC has decided to go ahead and take the vehicle to the next level by giving it a number of upgrades, with the end result being a Sierra HD All Terrain X truck that is designed to annihilate every kind of terrain with equal menace and swagger.
The upgraded Sierra HD All Terrain X off-road truck has been augmented with more durable skid plates, a bottom shield as well as a number of useful standard features such as rear-view cameras, leather upholstery and wireless phone charging capability.
The truck's off-road credentials are further burnished by an aggressively dark paint job, with the combination of no-holds-barred performance engineering and stunningly intimidating appearance giving the Sierra HD All Terrain X the look and driving experience of a vehicle that doesn't discriminate between smooth highways and rubble-filled off-road paths.
Rugged Off-Road Trucks
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Experimental Military Trucks
Menacingly Modified Trucks
Monstrous Pickup Trucks
Off-Road Concept Trucks
Bossy Off-Road Trucks
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