If you're interested in similar racing games, here are some alternatives:

These files often trigger antivirus warnings and can compromise your data. No Official Support:

Downloading copyrighted games via torrents violates intellectual property laws. No Support or Updates:

Torrent downloads, such as those found on Kickass, offer a method for users to share and download large files, including games like Gran Turismo 6. By using a torrent client and connecting to a peer-to-peer (P2P) network, users can download parts of the game file from other users who are also downloading or have already downloaded the file. This decentralized approach to file sharing can make it easier to distribute large files, but it also comes with significant risks and legal implications.

What I can offer is a solid, legitimate review of Gran Turismo 6 itself, along with legal ways to experience it on PC.