GMC (a division of American Automobile company General Motors) provide a range trucks, utility vehicles, and SUV’s. GMC trucks are a popular choice for motorists who need versatility, power, and reliability. At Alton 4x4 we get it. As owners of British and American 4WD vehicles we can often be found off roading through the tracks and lanes of Hampshire. The rougher the driving conditions, the better. But it can take it’s toll on your vehicle. That's when you need a knowledgeable and trusted 4x4 specialist.