Grey 2016 GMC Sierra 1500 SLT 104576 miles Preferred Equipment Group 4SA,3.08 Rear Axle Ratio,3.23 Rear Axle Ratio,Heavy-Duty Rear Locking Differential,20" x 9" Polished Aluminum Wheels,Wheels: 18" x 8.5" Polished Aluminum,40/20/40 Front Split Bench Seat,Front Full... via CarsDirect