AOTF: The upcoming Gran Turismo 5 has been long awaited and heavily debated as the best full service racer in the field. Known for it's great attention to the smallest details Gran Turismo 5 is slated to be the number one selling racing game of all time. Microsoft's answer to the Gran Turismo series, Forza 3 isn't too shabby themselves when it comes down to the little things that make a racer authentic. Here are some screenshots to compare. All images show Forza on top and Gran Turismo below, or do they? We mixed up a couple to see if you could tell the difference. Answers at bottom.