Microsoft has announced the release of the Forza 3 AutoWeek Car Show Pack, available to purchase from Xbox LIVE Marketplace priced 400 MS Points.

To mark this week's North American International Auto Show, Turn 10 and AutoWeek are partnering to bring some of the year's best cars to life. The new downloadable car pack features some of the most exciting new cars for 2010, and adds several elite 2009 racers to the growing Forza 3 car roster.

AutoWeek Car Show Pack features:

1. 2009 Audi RS 6

2. 2010 Ford Shelby GT500

3. 2009 Lotus 2-Eleven

4. 2010 Aston Martin One-77

5. 2010 Porsche Boxster S

6. 2009 Audi R8 LMS Show Car

7. 2010 Pagani Zonda R

8. 2010 Saleen S5S Raptor

9. 2010 BMW Motorsport M6 Coupe

10. 2010 Chevrolet Corvette Grand Sport

Turn 10 is offering the 2009 Lotus 2-Eleven as this month's free download.