The minimum reqiorement for TRAX is :

A full current driving licence
Your car to be road-legal (must have a current MoT)
A helmet
Something to cover your arms and legs (ie NO t shirt & shorts)
Tape on your headlights.

The vehicle in your sig would do just fine

mk2tim Trax is spelt Trax and its held at Silverstone track
15 minute sessions for a rip off fee