Long Automotive Group is a Framingham, MA Buick, Cadillac, GMC, HUMMER, Pontiac dealer with new car and used car sales, leasing, online inventory, financing, service, parts, accessories, and hours and directions. Your Framingham, MA new car dealer and Framingham, MA used car dealer is Long Automotive Group, a Framingham, MA Buick, Cadillac, GMC, HUMMER, Kia, Pontiac dealership.