$1,639,360
The Newmar King Aire 4558 is built around a 605-hp Cummins engine on the Spartan K3 chassis, and owners consistently describe the ride as smooth and composed even when towing. Newmar's Comfort Drive system takes the edge off highway fatigue in a way that's hard to appreciate until you've piloted something this size for a few hundred miles. Inside, the bunkhouse layout pairs a genuinely residential feel with premium appliances and the kind of fit and finish Newmar has spent decades building its reputation on. At this level, the King Aire 4558 is routinely mentioned alongside the best production luxury Class A coaches on the market.
Other class a motorhomes floor plans (around 44 ft 11 in, near $1,639,000), similar in size and price to the King Aire 4558.
