Last year I rented a car at the Edinburgh Airport and here are my comments: First I had to battle the car rental co. who wanted to double my rental fee by insisting I take their insurance. Unlike in the US, most cars are shift models. I chose to get one with automatic drive, since I would be driving on the strange side and using my left hand, I wanted to eliminate at least one of the challenges. Roads are narrow, shoulder are absent. Highways are beautifully marked. Avoid driving through large cities. Take you kilt, the tourists will want to take your picture.