With over 100 tracks and more than 400 cars in Forza Motorsport 3, you have to wonder if Microsoft and developer Turn 10 will have revealed every vehicle in location in the Xbox 360 racing sequel by the time it arrives on October 27, or if some will be a suprise.

I'm sure a bit of math could be used figure it out--for example, today's update details 12 Euro-Sport Compacts and the Circuit de Catalunya raceway--but where's the fun in that? Instead, let's take a look at the list of new cars that was issued today:

• V3 /

  Production /

  2009

  Alfa Romeo

  Brera Ti

• V3 /

  Production /

  2009

  Alfa Romeo

  Mito

• V3 /

  Production /

  2010

  Fiat

  500 Abarth SS

• V3 /

  Production /

  2009

  Ford

  Fiesta Zetec S

• V3 /

  Production /

  2009

  Ford

  Focus RS

• V3 /

  Production /

  2009

  Lotus

  Evora

• V3 /

  Production /

  2009

  MINI

  John Cooper Works

• V3 /

  Production /

  2009

  Renault

  Twingo Renault Sport Cup

• V3 /

  Production /

  2008

  Saab

  9-3 Turbo X

• V3 /

  Production /

  2009

  SEAT

  Ibiza Cupra

• V3 /

  Production /

  2009

  Vauxhall

  Corsa VXR

• V3 /

  Production /

  2009

  Volvo

  C30 R-Design