CARFAX One-Owner. Clean CARFAX. Summit White 2015 GMC Terrain SLT-1 FWD 6-Speed Automatic 2.4L 4-Cylinder SIDI DOHC VVT Recent Arrival! Odometer is 4469 miles below market average! 32/22 Highway/City MPG Awards: * 2015 IIHS Top Safety Pick * 2015 Brand Image Awards Feel free to call our internet department and schedule a time to come and see this gently owned vehicle. You can buy a vehicle anywhere, but I promise you, no one is going to take better care of you than here at Williams Buick GMC, where quality and customer service are our top priority!