Winnebago introduced several new models at the show, including a new diesel-powered Trend that will provide even higher fuel efficiency of 18-21 mpg with the Ram ProMaster chassis that will also be available on the Company's Viva and Travato product lines, according to a company news release. The Spyder is an all-new premium toy hauler that sets the standard in features and value for those who love to play in the outdoors.