Mercedes Diesel powered 15.5-20 mpg, Interior appliances are All Electric, inverter, Roof Top Solar and Engine Powered Generator, Shorepower Cord, Electric awning, 4 captains chairs, Refrigerator, Roof Top Air, TV, DVD, Surround Sound, Induction stove, Microwave, sink, Wet Bath, Power couch turns into bed, Webasto cabin and hot water heater runs off diesel tank and you never no its on extremely efficient, Back up camera Heavy Duty Trailer HItch, Dual rear tires, Mercedes 3500 Sprinter Chassis. Under 69,000 highway miles, Comes with both winter and summer tires