Here is the full list of all 59 Gran Turismo 5 trophies - there are 53 bronze, 4 silver, 1 gold and 1 platinum.
Achieve a time of 7'29.03 on the Nürburgring Nordschleife in a Nissan GT-R '07. The record must be achieved in a Time Trial in the Arcade mode version of the car with tires of Sports Hard grade or lower equipped.