Reviews and Previews
Computer and Video Games - Grand Prix 4 Preview, GameSpot UK - Grand Prix 4 Preview
AlphaF1 - Grand Prix 4
Comprehensive presentation of the game includes the latest news and screen shots. Also with a forum and a chat.
grandprixgames.org
Contains cars, tracks, setups, and utilities for download plus game information and forums.
Motorsportgaming.com
Contains cars and patches for download.
Official Grand Prix 4 site
Includes screen shots, movies and game information.
RaceSimulations
Offers downloads including cars, setups, tracks, and editors.