2013 *GMC* *3500* 4X4 6.6L DURAMAX HEATED LEATHER FLAT BED 1 OWNER 2013 GMC Sierra 3500 SLT 4x4 DUALLY 6.6L Duramax Leather FLAT BED 4-Door Truck Exterior Color: Steel Gray Metallic Interior Color: Dark Titanium/Light Titanium Stock Number: 10705M Mileage: 136,706 Engine: Duramax 6.6L Diesel Fuel: D... Read More