The 2020 GMC Acadia AT4 is a mid-size SUV that blends rugged styling with everyday practicality. Designed for those seeking a more adventurous appearance without compromising on comfort, it offers a balance between off-road-inspired aesthetics and on-road performance.Recent Arrival! 2 Years of Maintenance Included, AWD, Jet Black/Kalahari Leather. AT4 Satin Steel Metallic 3.6L V6 SIDI 9-Speed Automatic AWDTax, title, and license fees extra.