2.0L Turbocharged SLE CARFAX One-Owner. 2023 GMC Acadia Sterling Metallic AWD 9-Speed Automatic KBB Fair Market Range High: $21,660 Cargo Package, Remote Start, AWD, Black Cloth. 22/27 City/Highway MPG All Vehicles under 100,000 miles at 21st Century Auto Sales, comes with a 1 Month / 1000 Mile 50/50 warranty where the seller is responsible for half of parts and labor.