2018 tiffin motorhomes allegro bus 45mp 2018 tiffin allegro bus 45mp 45' class a motorhome. cummins 450hp diesel engine. 4 slide outs 2 awnings sleeps 8 triple a/c units. get ready to head out on a road trip or travel to your favorite campground with this allegro bus 45 mp. once you reach your destination then come enjoy the comforts in the living area with a sofa bed and additional sofa with an ottoman. however if you need to get some work done the dinette is also a work station with two chairs. meal prep is easy in this kitchen here there is a residential refrigerator and pantry for....