Assassin Compact: Get 15 Takedowns.
Compact Collector: Win the Gold medal at the Silver Lake Eliminator (type varies in each game).
Compact Cop: Win the Bronze medal or higher at the Silver Lake or Airport T1 and T2 Pursuit.
Dominator Compact: Get 10,000 Burnout Points.
DX Compact: Win the Gold medal at the Airport Eliminator.
Gangster Legend: Win the Gold medal at the Palma Bay Legend Face-Off.
Legend Compact: Win the Gold medal at the Interstate Loop Legend Face-Off.
Legend Gangster: Win the Gold medal at the Interstate Legend Face-Off.
Legend Special: Win thirteen Gold medals.
Modified Compact: Win the Gold medal at the Interstate Race.
Random Compact Collector: Get gold in silver lake eliminator.
Tuned Compact: Win five Gold medals.

• Coupe series bonuses

Successfully complete the indicated task to unlock the corresponding car:

Assassin Coupe: Get 60 Takedowns.
Coupe Cop: Win the Gold medal at the Vineyard or Palm Bay Pursuit.
Custom Coupe: Win the Gold medal at the Riviera Race.
Dominator Coupe: Get 40,000 Burnout Points.
DX Coupe: Win the Gold medal at the Big Surf Shores Eliminator.
Legend Pickup: Win the Gold medal at the Vineyard Legend Face-Off.
Legend Special: Win forty one Gold medals.
Legend SUV: Win the Gold medal at the Airport Legend Face-Off.
Modified Coupe: Win the Gold medal at the Silver Lake Race.

• Crash More Money

During crash mode keep retrying an event and you will still get all the money from the event. This will help you get mony quicker. This hint works best with high gold costing events.

• Easy win in Pursuit mode

It may seem odd but in Pursuit mode if you get in front of the car your chasing try crashing, if you manage to direct your car into the front of your rival it will often result in a takedown even the cars health bar is full !

• Heavyweight vehicles

Successfully complete the indicated task to unlock the corresponding vehicle:

Heavy Pick-Up: $1,000,000
4WD Racer: $2,000,000
SUV Deluxe: $5,000,000
4WD Heavy-Duty: $10,000,000
B-Team Van: $15,000,000
Delivery Truck: $20,000,000
Tractor Cab: $30,000,000
Longnose Cab: $50,000,000
City Bus: $70,000,000
Trash Truck: $90,000,000

• Misc. Unlockables

Cop Racer Get Gold in all Pursuit events.
Dominator Sports Awarded at 100.000 burnout points

• Muscle series bonuses

Complete the indicated task to unlock the corresponding car.

Assassin Muscle: Get 30 Takedowns.
Classic Legend: Win the Gold medal at the Big Sure Shore Legend Face-Off.
Dominator Muscle: Get 25,000 Burnout points.
Legend J-Muscle: Win the Gold medal at the Airport 1 and 2 Legend Face-Off.
Muscle Cop: Win the Bronze medal at the Harbor Town or Sunrise Valley Pursuit.
Muscle Collector: Win the Gold medal at the Harbor Town Eliminator (type varies in each game).
Tuned Muscle: Win twenty Gold medals.

• Pillar Driller Signature Takedown

Go to the Downtown level and run another driver into a pillar to perform the Pillar Driller Signature Takedown.

• Quick Start

When the countdown says 3, 2, 1, press Square(2), then X when it says "1".

• Track Mirror Mode

Collect all Legend Face-Off cars to unlock mirror mode (left-right reflected tracks) in single event.

• World Tour mode bonuses

Complete the indicated task to unlock the corresponding car.

Cop Racer: Get a Gold medal in all Pursuit events.
Firetruck: Get a Gold medal on all Crash events.
Gangster Boss: Get a Gold medal in all Race events.