2025 Newmar Mountain Aire 4118, This 2025 Mountain Aire 4118 is waiting at RV Select in Seffner, FL, bringing Newmar's luxury construction directly to the Florida market. The **rear bath** layout maximizes living space while providing a private retreat, and the **bath and a half** configuration means no more waiting in line during those busy morning routines. Newmar owners consistently rate their Mountain Aire models at 4.6/5 for livability and floorplan satisfaction, and it's easy to see why - the brand builds these coaches with premium finishes and thoughtful details that make full-time living genuinely comfortable. With serious towing capacity up to 15,000 pounds, you can bring along everything from boats to off-road toys without compromise.