GM (GM) June U.S. sales: +10% to 215,358 vehicles. Chevrolet up 10.9%; GMC up 14.9%; Buick up...

|By:, SA News Editor
GM (GM) June U.S. sales: +10% to 215,358 vehicles. Chevrolet up 10.9%; GMC up 14.9%; Buick up 13.2%; Cadillac down 7.9%. Top-selling Silverado pickup up 5.1% to 32,579. (PR)