The 2012 Airstream Interstate Lounge EXT is a Class B diesel motorhome built on the Mercedes-Benz Sprinter 3500 extended chassis. It is designed to combine the performance and safety of a Mercedes-Benz vehicle with the luxury craftsmanship of Airstream. Key Specifications Chassis: Mercedes-Benz Sprinter 3500 Extended. Engine: 3.0L V6 BlueTEC Turbodiesel, providing 188 hp and 325 lb-ft of torque. Dimensions: Overall length of approximately 24 feet 1 inch. Capacities: Fresh Water: 32 gallons. Grey Water: 27 gallons. Black Water: 15 gallons. LPG (Propane): 18.9 gallons (80 lbs). Towing: Rated to tow up to 5,000 lbs. Interior & Amenities Seating/Sleeping: The "Lounge" floorplan typically seats up to 9 people and sleeps 2. It features a rear power sofa that converts into a 70” x 82” bed. Galley: Equipped with a Corian countertop, two-burner gas stove, 3.1 cu. ft. refrigerator, and a convection microwave. Bathroom: A "wet bath" setup includes a toilet, shower, and sink. Climate Control: Features a 13,500 BTU air conditioner and a 16,000 BTU furnace. Power Systems: Includes a 2.5kW Onan LP generator, two AGM deep-cycle batteries, and a 750W or 1000W inverter.