Police were called just after 9pm to Oldbury Road on Saturday the first of January, where a person was found with multiple injuries and taken to hospital.
Two men from Addlestone and one from Chertsey have been released on bail, while a 17-year-old girl from Epsom has been released under investigation.
Anyone who may have seen a silver Audi A3 in the area that evening is asked to contact Surrey Police.