Microsoft and developers Turn-10 recently announced that their enormous racing simulation game, Forza Motorsport 3, has gone gold and will be getting the demo treatment on September 24th via Xbox LIVE Marketplace.

The singleplayer demo will allow eager simulation fans to race with five cars on the Camino Viejo track featured in the game, as well as compare race times with other players around the world with the online leaderboard. Which cars will be available in the demo, though?

Find the answer to that, and watch a host of new Forza 3 videos, including the newly released stunning introduction cinematic straight from the game, below:

Available cars to take for a test drive in the demo for Forza 3 include the following:

• 2007 Porsche #80 Flying Lizard 911 GT3-RSR
• 2010 Audi R8 5.2 FSI quattro
• 2009 Ferrari California
• 2008 Mitsubishi Lancer Evolution X GSR
• 2009 Mini John Cooper Works

Forza Motorsport 3 releases on October 23rd in Europe and October 27th. in North America. To whet your appetite, you can watch some amazing videos from the game below:

Forza Motorsport 3 Intro

Forza Motorsport 3 PAX 09: Designer Interview

Forza Motorsport 3 Sedona Raceway Gameplay

Forza Motorsport 3 2009 Bugatti Veyron 16.4 Presentation