There are very specific circumstances where you might be able to download and play the game without an immediate individual purchase:
While many websites claim to offer "free downloads" for this title, these are rarely legitimate. WRC 6 is a commercial product that usually requires a purchase or a subscription to play legally. Is WRC 6 Ever Truly Free?
A search for typically refers to WRC 6 , the official video game of the 2016 FIA World Rally Championship developed by Kylotonn.