I use "Bumper veiw". The main reason is because this it the view I'm used to driving in since playing the original Gran Turismo on the Playstation and the following sequals 2,3 & 4. I also drove this way in Ridge Racer and countless other racing titiles. Sometimes I will switch to Cockpit view but I am slower and make mistakes judging corners. If I would use cockpit view more often I'm sure I would get better at it but it doesn't feel natural to me. It does feel more realistic but no matter what your looking at a flat screen. I tried comparing when driving my real car (everyday) and driving in cockpit view. In the real car I hardly notice the dash when driving, only for a sec when glancing down. In the game because I'm looking at flat 2D screen even if I'm concentrating on looking at what's ahead of me, my brain processes the picture on screen as a whole. I even tried playing in 3D but unfortunatley Polyphony Digital hasn't perfected that yet. In the end to me it's which way makes you enjoy driving in the game more