Here is the full list of all 14 X-Racing achievements.
Take your first ride!
Take your first win!
Take 100 rating point!
Take 500 rating point!
Take 1000 rating point!
Take 5000 rating point!
Make more then 50.000 Gold!
Make more then 100.000 Gold!
Make more then 500.000 Gold!
Make more then 1.000.000 Gold!
Make more then 10.000.000 Gold!
Complete the first stage in checkpoint mode!
Complete the first mission in story mode!
Complete 3 arena levels!