Hit the interstate and don’t look back! The 2008 Airstream Interstate Class B Motorhome is an easy-to-drive coach that’s the perfect solution for those who don’t want to tow a trailer and don’t need a full-sized motorhome. Combining the maneuverability and driving ease of a luxury car with comfort and built-in conveniences, this Airstream Class B motorhome is a compact home away from home. Built on a Sprinter chassis, the Interstate has seating for six, sleeping accommodations for two and can tow as much as 5,000 pounds. Additional features include a bathroom, well-appointed galley, entertainment center and storage. Airstream Motorhomes.