GMC today introduced the all-new 2017 Acadia - a reimagined crossover aimed at the heart of the midsize segment, designed to offer great versatility and refinement, with more advanced safety technologies. The new Acadia offers more-efficient powertrains, while continuing to offer three rows of seating on most models. The premium Acadia Denali returns, along with a new All Terrain model offering enhanced off-road capability. "GMC is a strong, growing premium brand and the Acadia is a...