Most of the cars on that site show the maximum HP and minimum weight when you go to that particular car's page. However, I don't think you can sort by that data, and it seems a lot of the data is incorrect or conflicting.
If you can't get the information you need there, perhaps you could make your own list or modify another car list with that data. The science and research done by members of this board is always appreciated, and often helps out many people. Maybe you could do the same.
