Club cars have an aluminum frame, and yes they hold up the best, you can still see very old club cars on the island. Polaris vehicles do have a powder coated undercarridge, but do not stand up to more than a few years at best.
The opinions and views expressed on this board are the subjective opinions of Ambergris Caye Message Board members and not of the Ambergris Caye Message Board its affiliates, or its employees.