I read on a JW forum that JW's came in for disapproval if they drove either sports cars or 2-door cars. The reasoning was that a driver couldn't easily take fellow dubbies out preaching in such a vehicle.
Was that ever official policy or just local nonsense from a grumpy PO?
I drove an MG Midget in my witness days and was never counselled for doing so. Although I only graduated to MGB's and Sunbeam Alpines once I'd left...