2016 tiffin motorhomes allegro bus 40 ap this allegro bus class a diesel coach model 40 ap by tiffin offers you a luxury home on wheels. this unit features a spacious interior with all the amenities of home plus 177 cu. ft of basement storage so you can easily stow away plenty of gear! on the inside enjoy dual opposing slides in the main kitchen and living space as well as in the master bedroom and bath area. just behind the captains driver and passenger chairs you find a dinette with computer work station on the left plus the kitchen area to follow. here you will enjoy counter space a....