Demos are new cars that have been driven by the dealership's staff or as test-drive vehicles by interested customers. They are usually disposed once there is a new model.
Certified Preowned Cars (CPO)
CPOs are cars certified by the manufacturers indicating they are in excellent conditions. They have been returned to the manufacturers by the users because their lease has expired, or they want to upgrade their cars.
Nacarda allows you purchase cars abroad directly from the owners removing middlemen that inflate prices or hide defects that come with the cars.