The latest DLC for Forza Motorsport 3 is now available on Xbox Marketplace.

Called the World Class Car Pack, it features 10 of the newest cars in the world including the 2011 McLaren MP4-12C and the 2010 Mercedes-Benz CL 65 AMG.

Heres the list in full:

• 2011 McLaren MP4-12C
  
• 2010 Mercedes-Benz C63 AMG
  
• 2010 Mercedes-Benz CL 65 AMG
  
• 2011 Cadillac CTS-V Coupe
  
• 2010 Fiat Punto Evo SPORT
  
• 2010 Acura TSX V6
  
• 2010 Kia Forte Koup SX
  
• 2011 Mazda 2
  
• 2011 Citroën DS3
  
• 2010 Mitsubishi Colt Ralliart

The add-on costs 400 Microsoft Points and there is a Free option available which contains just one car, the 2010 Mitsubishi Colt Ralliart.