Sierra 1500 SLE, D Crew Cab, ortec 4.8L V8 SFI VVT Flex Fuel, -Speed Automatic with Overdrive, hite, nd Ebony w/Premium Cloth Seat Trim. This 2011 Sierra 1500 is for GMC enthusiasts looking everywhere for that perfect truck. This Sierra 1500 is nicely equipped with features such as 4D Crew Cab, -Speed Automatic with Overdrive, bony w/Premium Cloth Seat Trim, ierra 1500 SLE, ortec 4.8L V8 SFI VVT Flex Fuel, nd White. It scored the top rating in the IIHS frontal offset test. This Sierra SLE features great styling and interior quality, roomy cabin, ons of towing power and payload capacities and economical gas mileage from the 4.8L V8 engine that still offers 100 added horses over the smaller V6. Located just 5 minutes south of Sugarland Texas. For honest answers contact Bubba Alvarez.