A:
If they found this fund on the basis that any of the participants in this fund can buy cars bought by the money of this fund, this will not be permissible because it will be similar to
making two transactions in one sale. This kind of transaction is prohibited because it is a partnership and a commercial transaction at the same time. But if they did not stipulate to do so at the start, then it would be permissible.
May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.