The Nissan 350Z came in quite a few configurations: Base,
Enthusiast, Gran Touring, NISMO, Touring and Track (not to mention
Coupe or Convertible in several of these
configurations. The Base, Enthusiast, and Touring models came with a 225/45-18
Front tire and 245/45-18 rear tire. In 2003, these were quite
unique sizes and there weren't many tire options...