The Texas franchise of the Sportsmobile brand has two used vehicles
that seem to fit the OP's requirements.
http://www.sportsmobile.com/z-PO_texas.html
1. Price $10,900, 1996 Dodge RB - 3500, Miles 119,200, Engine 5.9 V-8, Seats 6 Sleeps 4, Cabinets Brown Interior Blue, Penthouse Pop Top Interior Height 6'10", Loop Pile Carpet, Day/Night Shades, 3CF Refrigerator, Microwave, Starcool A/C, 2.8 kw Onan Generator, 9" TV/VCR with Converter Box, TV Antenna, Radio Switch, Aluminum Running Boards, Hitch. Garaged, very good condition.
2. Price $10,900 1998 Ford, Miles 147,600, Engine 5.4 V-8, Seats 7 Sleeps 2, Cabinets Brown Interior Green, Contempo hard top Interior Height 5' 10", Loop Pile Carpet, Day/Nite Shades, 2 cf Refrigerator, Microwave, Starcool A/C, Inverter, Radio Switch, Aluminum Running Boards, Class III Hitch.