Smokey Quartz Metallic 2020 GMC Acadia SLT Recent Arrival! Odometer is 12771 miles below market average! ...Everything You are Looking for and MORE!!! ...FREE LIFETIME automatic car washes with purchase...FREE loaner vehicles with any major service work. 2020 GMC Acadia SLT 4D Sport Utility 3.6L V6 SIDI FWD 9-Speed Automatic 19/27 City/Highway MPG 19/27 City/Highway MPG