Yes, you can If you have skills and lots of tokens. Expert trick: just finish the main goal of every level on a single map. In this way you can win the championship without wasting time in playing secondary goals. After completing the main goal, you will get enough time gap to complete the secondary goals to get all the rewards. As the cars are blueprints based so in order to get the car you must have to complete secondary goals . Upgrade the car to max and pro before you start the race otherwise you end up wasting time and tokens.