To defeat Ryo Watanabe, upgrade all cars with Level 4 performance parts and max out the aerodynamics. Note: Bring lots of Total Markers to Race Day
Grip Pagani Zonda. Use a "Free Car Marker" for this car if available. This car can also defeat the Grip King. Drag Ford Shelby GT500 or Chevrolet Chevelle SS. Do not do anything to the aerodynamics of the Chevelle. These cars can also defeat the Drag King. Drift BMW Z4 M Coupe. Even though its stats are low, it is a great Drift car. You can use this car to defeat the Drift King. Alternately, use the Mazda RX-7 if you have won it from the Drift King. It already has all Level 4 performance parts; simply increase its aerodynamics. Speed Ford GT. You can also use this car to defeat the Speed King.