To get this you first need to:
- Complete the World Tour mode with 100% (Super Trophies)
- Win Endurance Modes 12, 36 and 109. (You do not have to do all 3 in a single session, and progress is saved after every race on Endurance)
- Win all Tournaments on all 3 difficulties.
Once done:
- Adventures mode has variable difficulty races involving the required vehicle you have to drive. Complete 1 of the races in the series of 5. True completionists complete all 5 but is not needed for this achievement.
- The final vehicle needed can only be used in World Tour mode