[GU4] Rear Axle, 3.08 Ratio[4S1] SLT Standard Edition Preferred Equipment Group Standard Equipment [RD5] Wheels, 20' X 9' (50.8 CM X 22.9 CM) Polished Aluminum [QSS] Tires, P275/55 R20 All Season, Blackwall [ZY1] Solid Paint [G1E] Crimson Red Tintcoat [H0K] Cocoa/Dune, Leather Appointed Seat Trim [ATV] Seats, Second Row Bucket, Manual [IO6] Audio System, 8' Diagonal Color Touch Screen Navigation With GMC Infotainment System