Here is the full list of all 20 Mini Motor Racing EVO achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Win every race in the Master Championship
Win every single race across all 4 championships
Complete the Master Championship
Have at least $100,000 career cash
Unlock all the cars
Win every race in the Expert Championship
Complete the Expert Championship
Win a multiplayer race
Complete a multiplayer race
Complete the Aperture Science Cup
Fully upgrade all stats on any car
Complete the Intermediate Championship
Win every race in the Intermediate Championship
Complete the Team Fortress 2 Cup
Complete the Beginner Championship
Win every race in the Beginner Championship
Complete the Fruit Ninja Cup
Fully upgrade a single stat on any car
Win the first 4 races
Win a race