Coulter Buick GMC Tempe, located a short drive from Phoenix, Scottsdale, and Mesa, has been serving as your Phoenix Buick and ... GMC dealer with professional sales and service for many years. We serve the entire valley as a convenient Buick and GMC dealer. Our customers have come to expect and rely on us for their automotive needs. At Coulter Buick GMC Tempe, our goal is to meet those needs by offering the most modern and convenient services for the Phoenix area with financing options, service, parts, and new and used, Buick and GMC vehicle sales in the greater Phoenix, Scottsdale, and Mesa areas. read more