Emergency services were called at 8.19pm after the crash involving a black Mercedes taxi and a pedestrian. The incident happened near the old Shell Garden site on Mont les Vaux.
The man was taken to hospital but died a short time later. The driver was uninjured.
Police are now appealing to anyone who might have seen the incident or have any information to call them on 612612 or Crimestoppers anonymously on 0880 555111 or via the online form at Crimestoppers-uk.org.