It was a Coachman Encounter Class A Motorhome. Depending on the floor plan they are 36 to 37 foot long. It's built on the Ford V10 Chassis and have a gross weight of 22,000 pounds. Retail price is about $107,000
It was no where near a top of the line unit. The Diesel Pushers with tag axle are the king of the hill. They are 40 to 45 foot long and start at $400,000 and go up to as much as you want to pay.
Willie Nelson sells his bus every other year. Plan on starting bidding at seven fifty and head north veey quickly. But don't anticipate any "provisions", "know what I'm saying?"