Originally, certain cars were locked behind online ranks. Since official servers are down, unlocking these requires manual intervention:
The Koenigsegg CCX-R is widely considered the best car in the game due to its top-tier speed and agility. 3. Unlocking Multiplayer & Legendary Cars Blur Unlock All Cars Pc
Most cars are earned naturally by progressing through the single-player campaign. Originally, certain cars were locked behind online ranks