Largest content base in a racing videogame

Largest content base in a racing videogame
Who
TrackMania (Nadeo, 2003)
Where
Not Applicable
When
01 January 1900
The largest amount of content available in any racing game is the pool of tracks and cars downloadable in TrackMania. The TrackMania Exchange website boasts 176,506 user-created tracks, the TrackMania Car Park website boasting 228 unique cars. GWR Video Gamer's Edition 2008, title: Largest content base of any racing game.