Trim: SLE-1 This Gray 2018 GMC Acadia SLE-1 might be just the SUV AWD for you. It comes with a 2.5 liter 4 Cylinder engine. This SUV AWD is one of the safest you could buy. It earned a crash test rating of 5 out of 5 stars. The exterior is a sharp gray. Interested? Call today and take it for a spin! Marty's Buick GMC 5 Kingston Collection Way Kingston MA. Contact Information: Marty's Buick GMC 5 Kingston Collection Way Kingston MA 02364 Phone: (781) 585-7570 E-mail: email@example.com. At Marty's you will find the best selection of new Buick and GMC's at the best and lowest prices. We offer a no hassle sales process and service second to none.