2008 Itasca Navion Iq 24DL, The 2010 Itasca Navion IQ 24DL motorhome is built on the Dodge Sprinter Chassis with a Mercedes Turbo Diesel Engine. Coming in just under 25 Feet this Class C Motorhome is easy to drive and maneuver around the campground. The unique curved cabinetry offers improved use of space and looks great. The front bench seats convert to a bed for additional sleeping. The rear slide extends with a comfortable memory foam queen bed. The driver and passenger seats fully swivel to provide extra seating for the living area. ,