2020 WINNEBAGO Porto 24P, Efficient Diesel Touring: 2020 Winnebago Porto 24P The 2020 Winnebago Porto 24P is a compact 24-foot Class C motorhome built on the fuel-efficient Mercedes-Benz® Sprinter chassis. Designed to maximize interior living space within a maneuverable, easy-to-drive footprint, the 24P features a single full-length driver-side slide-out housing a rear corner bed setup alongside a versatile Dream Dinette or optional sofa/bed combination. Interior Highlights