 OVERVIEW For 2008, GMC Sierra continues its Professional Grade capability, along with a luxurious interior. The broad lineup of body styles and powertrains provides a Sierra for any fleet owner requirement. Engine Availability • Vortec 4.3L V6 with 195 horsepower • Vortec 4.8L V8 with 295 horsepower • Vortec 5.3L V8 with 315 horsepower and Active Fuel ManagementTM; available FlexFuel • Vortec 6.0L V8 with 367 horsepower and Active Fuel ManagementTM NEW FOR 2008 • XM Satellite Radio3 standard (fleet delete available) • Integrated trailer brake controller available | | SELECTED STANDARD FEATURES | Safety and Security • Frontal air bags1 • Daytime Running Lamps and automatic lamp control • OnStar 1-year Safe & Sound Plan2 (fleet delete available) • Tire Pressure Monitoring System9 Interior • Reclining front split-bench seat • Rear bench fold-up seat (Extended and Crew Cab) • Tilt adjustable steering column • AM/FM stereo with CD/MP3, XM Satellite Radio3 (fleet delete available) • Driver Information Center • Overhead console | Mechanical • 6-speed automatic transmission • 4-wheel disc antilock brake system • Independent front and multileaf rear suspension • Power steering • Heavy-duty battery with rundown protection and retained accessory power Exterior • Intermittent windshield wipers • Foldaway rearview mirrors • All-season or on-/off-road tires • 8-lug steel wheels with center caps • Dual cargo area lamps |  | SELECTED OPTIONAL FEATURES • Seating options: power, buckets, leather seating surfaces, heated, lumbar control • Cruise control • Air conditioning • Power adjustable pedals • Power rear sliding window • Audio options: 6-disc CD changer, navigation system,11 Bose system, DVD entertainment system • Allison 1000 6-speed automatic transmission (with Duramax) • Electronic shift 4WD • High idle switch • Automatic locking rear differential • Trailering packages • Integrated trailer brake controller • Cargo management system • Outside mirror options: camper, power, heated, curb-tilt, turn signals • Aluminum wheels • Remote Vehicle Starter System • EZ-Lift Tailgate Package • Ultrasonic Rear Parking Assist • Pickup box delete • Skid Plate Package • Snow Plow Prep Package | |