This page contains Gran Turismo 5 Prologue Unlockables for Playstation 3 called "Quick Tune option" and has been posted or updated on Jun 3, 2008 by vhayste. Let us know what you think of this Unlockable by thumbs voting.
Quick Tune option
Complete all A Class events to unlock Quick Tune options. You can adjust the weight of your car, horsepower, aerodynamics, gearing and more.
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