With over 500 cars to collect in Forza Horizon 5, completionists will have to spin a lot of wheels, and make a lot of money to collect them all. In addition, the roster will expand over the years, just like previous titles in the franchise have, and there are even some vehicles that can't be obtained from the Autoshow or getting lucky on a Wheelspin.
This includes hidden cars found in the Mastery Trees of five specific vehicles in Forza Horizon 5. The good news is that it costs no additional
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