According to a story on Eurgamer.net, Forza Horizon 3 is about to get the weirdest crossover yet; The Regalia from Final Fantasy XV. Here's a video of the Final Fantasy Regalia in Forza Horizon 3.
The Final Fantasy series has long been a Playstation-exclusive series, but the Final Fantasy series has only recently crossed platforms to Xbox One. Confirmed on Forzamotorsport.net, the download will be available free for gamers who have had either Final Fantasy XV or Forza Horizon 3 installed on their Xbox One by August 1, 2017. If they are eleigible, gamers will be notified via the Forza Horizon 3 message system or via Xbox Live, and will receive a special download code, which they can redeem in-game in Forza Horizon 3.
Look for the free download of The Final Fantasy Regalia car to play in Forza Horizon 3, starting August 1, 2017.