Boss Motors UK Used Car Dealer Birmingham Walsall Premium car sales Luxury & Prestige used cars for sale. We buy & sell main dealership trade stock in the West Midlands, England, United Kingdom, GB. See Boss Car Sales Stock List Updates soon on this website. Aston Martin, Audi, BMW, Bentley, Mercedes, Jaguar Land Rover Range Rover, Maserati, Porsche, VW, Ferrari, Volkswagen, Volvo.