Win all the Road Challenges in arcade mode to unlock the Gamelati 1000 SS motorcycle.
Win all Evolution Championships in first place to unlock the Gameloft F1.
To get a quick and easy lead over everybody, use your turbo as soon as the race starts. Turbo can be easily obtained simply by hitting objects (trash cans, benches, etc.).
Drive into various items on the roadside (for example, boxes, phone booths, and road signs).
Enter the Ultra Racing Cars contest and finish in first place. You will win a Lamborghini Murcielago. Then, go to your garage and sell it for $161,500. You can repeat this as many times as desired. Additionally, buy the Corvette for $45,000, then sell it for $45,500.
At the start of a new career (evolution), do the Saleen Challange and win a Hummer H2. When you get the Hummer, sell it and you will get $67,500. Do the Saleen Challenge again. Continue doing this until you have as much money as desired.
To win easier in evolution mode, run all the tracks and memorize the turns in arcade free race.
You may encounter some hard turns in the road. Hold Y for about three seconds and you will begin skidding around the corner. If you hit something, nitro-out of there.
To avoid the traffic, press Y and the cars will disappear. Note: This will not work if you are very close to the car. Do this when farther away. For example, just when going on a bridge press Y(4) and look. Most of the cars should be gone.
Buy an Aston Martin, then add all upgrades available to the car. It will have a top speed of 249 mph.
Buy a Saleen S7, then add all upgrades available to the car. It will now go from 0 to 60 mph in less than two seconds. When in a race, use NOS as soon as "Go" appears to drive even faster.
Win the following races to unlock the corresponding car or part: