A short test drive is not usually enough to be certain that the car is going to be comfortable for a longer journey. The following is a summary of RSI-UK comments and experiences on a range of models. Even people with mild symptoms of RSI would probably feel a benefit. Automatic gearbox - apart from the cost, choosing an automatic gearbox is usually a matter of preference. It does take a strain off the hands though.
Many models now have height adjustable steering wheel's.
Others also offer a tilt adjustment. Seat comfort is also very important. Some car models also come with height and tilt adjustments for the seats, as well as the normal leg room and back rest settings. Usually bigger cars have more comfortable seats. You might find electric windows, central locking and other optional extras worth going for, although they may be only available on higher spec models.