Year of the Truck: GM 2015 U.S. Sales By Vehicle Type, Brand

U.S. sales of Chevrolet's crossovers, led by the Equinox and Traverse, increased the most last year. In 2015, Chevrolet trucks -- anchored by the Silverado and Colorado pickups and the Suburban large SUV -- overtook Chevrolet cars like the Cruze and Malibu as the most popular GM vehicle types. Buick sales dropped while Cadillac eked out a slight gain.