- - - 2007 Chevrolet Silverado 2500HD Classic 4WD Ext Cab 143.5" Work Truck - Engine Immobilizer/Vehicle Anti-Theft System, AM/FM Stereo, Additional Power Outlet(s), Air Conditioning, Seats-Front Bench-Split, Seat-Rear Pass-Through, Vinyl Seats, Mirrors-Vanity-Passenger, Wheels-Steel, Headlights-Auto-Off, Reading Lamps-Front, Air Bag - Driver, Air Bag - Passenger, Power Steering, Brakes-ABS-4 Wheel, 4 Wheel Drive, Intermittent Wipers, Daytime Running Lights, Tow Hooks-Front