What brands do GM make?
What brands do GM make? General Motors owns Buick, Cadillac, Chevrolet, and GMC. Hummer has returned as a GMC sub-brand. How many brands are in GM? 43 GM brands Since General Motors was founded back in 1908, there have been 43 GM brands – unless GM Authority readers can find more – devoted to building and selling cars, buses or trucks, though not all at the same time. What was the first full size GM platform? The body letter became 2nd digit of the cowl tag about 1973 and the Buick Estate Wagon is mentioned as the 4BN35 and 4BN45...