If you refuse to settle for substitutes and want to experience the authentic 2010 masterpiece, you have three legitimate avenues: 1. Modded PlayStation 3 (PS3 PKG / ISO)
If you specifically want a similar experience on your PS4, consider these titles that capture the "combat racing" spirit: www.reddit.com·r/PS4 blur ps4 pkg full
Blur remains a masterpiece of its genre, and thanks to the dedication of the PS4 homebrew community, it is possible to experience this full classic on modern hardware. If you refuse to settle for substitutes and
Turn on your PS4 and launch your preferred web host or exploit payload (e.g., GoldHEN). When running on a PS4 (especially PS4 Pro),
When running on a PS4 (especially PS4 Pro), the game can benefit from more stable frame rates compared to the original console versions [Source: ConsoleMods Wiki]. How to Install Blur PS4 PKG (Full)