The Ranger XP® 800 is built for extreme performance. For 2011: Power boost to 50 hp and a 55 mph (88 km/h) top speed, 20% more fuel range and more. Key features are:• 50 hp 760 cc twin-cylinder EFI engine• Smooth Independent Rear Suspension (IRS)• Dual A-arm front suspension• 1,000 lbs. (453.6 kg) rear cargo box capacity