Storm Gray Metallic 2010 GMC Sierra 1500 SLE 4WD 6-Speed Automatic Vortec 5.3L V8 SFI VVT Flex Fuel Sierra 1500 SLE, Extended Cab, Vortec 5.3L V8 SFI VVT Flex Fuel, 6-Speed Automatic, 4WD, Storm Gray Metallic, Ebony Cloth, AM/FM Stereo w/CD Player & MP3 Playback, Bluetooth® For Phone, Dual-Zone Automatic Climate Control, EZ-Lift Tailgate, Heavy Duty Cooling Package, Heavy-Duty Air-to-Oil External Engine Oil Cooler, Heavy-Duty Auxiliary External Transmission Oil Cooler, Heavy-Duty Handling/Trailering Suspension Package, Heavy-Duty Rear Automatic Locking Differential, Heavy-Duty Trailering Package, Locking Tailgate, Off-Road Suspension Package, Skid Plate Package, SLE Preferred Package, Steering Wheel Mounted Audio Controls, USB Port, XM Radio.Recent Arrival!Reviews:* If you need the hauling and towing capabilities of a full-size pickup truck, you can have them while at the same time contributing to the environment via a V8-engine lineup that offers Active Fuel Management technology and Flex-Fuel E85 capability. Source: KBB.com* If you have serious work to do and want to burn less fuel doing it, this is your truck. While Ford and Dodge full-sizers are new and much improved for 2010, GMC’s recently redesigned Sierra remains fully competitive, is the only hybrid (with the exception of its twin at Chevrolet) and is by far the most fuel efficient on the road. Source: KBB.com