Midtown Madness 3 Cheats

On the car select screen, click the left analogue stick in and hold it there while pressing:
L, R, L x3, R x3, L x2, R x2. You'll unlock all cars apart from the serpent Mk2 and the Asp.

In the car select menu, press in on the Left Thumbstick while entering the following commands: Left Trigger, Right Trigger, Left Trigger, Left Trigger, Left Trigger, Right Trigger, Right Trigger, Right Trigger, Left Trigger, Left Trigger, Right Trigger, Right Trigger.

Fulfill the criteria listed below to unlock the indicated vehicle:
Paris Bus: Win the first three checkpoint races in Paris.
Washington Bus: Win the first three checkpoint races in Washington.
Fire Truck: Win the first six checkpoint races in Paris.
Cement Truck: Win the first six checkpoint races in Washington.
Armored Car: Complete the Paris security guard job.
Freightliner Century Class S/T: Complete the first six blitz races in Washington.
Hummer H2 SUV: Complete the Washington Salesman job.
FLE: Complete the Paris Delivery Guy job.
Limousine: Complete the Paris chauffeur job.
Cadillac Escalade: Complete the Washington Limo Driver job.
Ambulance: Complete the Paris Paramedic job.
Taxi: Complete the Paris Taxi Driver job.
Paris Police: Complete the Paris Police Officer job.
Washington Police: Complete the Washington Police Officer job.
Chrysler PT Turbo: Complete the Washington Rental Car Driver job.
1959 Eldorado Seville: Complete the Washington Pizza Deliverer job.
Mini Cooper S: Complete the first three blitz races in Paris.
Chevrolet SSR: Complete the first three blitz races in Washington.
Saab 9-3 Turbo: Win the tenth checkpoint race in Paris.
Audi TT: Complete the Paris Special Agent job.
Chrysler Crossfire: Win the tenth blitz race in Washington.
Audi S4 Avant: Complete the first six blitz races in Paris.
1967 Ford Mustang 2+2 Fastback: Complete the Washington Stunt Car Driver job.
Chevrolet Corvette Z06: Win the tenth checkpoint race in Washington.
Lotus Esprit V8: Win the tenth Paris Blitz race.
Dodge Viper SRT-10: Complete the Washington Private Eye job.
Koenigsegg CC: Complete it ALL.

Successfully complete the Limo Driver job in
Washington D.C.
Get Cement Truck
Finish in 1st place on the first six Checkpoint
races in Washington D.C.
Get Chevrolet Corvette Z06
Finish in 1st place on the checkpoint race 10 in
Washington D.C.
Get Chevrolet SSR
Finish in 1st place on the first three Blitz
races in Washington D.C.
Get Chrysler Crossfire
Finish in 1st place on the Blitz race 10 in
Washington D.C.
Get Chrysler PT Turbo
Finish the Rental Car Driver job in Washington
D.C.
Get Dodge Viper SRT-10
Finish the Private Eye job in Washington D.C
Get Fire Truck
Finish in 1st place on the first six Checkpoint
races in Paris.
Get FLE
Finish the Delivery Man job in Paris .
Get Freightliner Century
Class S/T
Finish in 1st place on the first six Blitz races
in Washington.
Get Hummer H2 SUV
Finish the Salesman job in Washington D.C.
Get Koenigsegg CC
Finish all jobs and win all races.
Get Limousine
Finish the Chauffeur job in Paris.
Get Lotus Esprit V8
Finish in 1st place on Blitz race 10 in Paris.
Get Mini Cooper S
Finish the first three Blitz races in Paris.
Get Paris Bus
Finish in 1st place on the first three
Checkpoint races in Paris.
Get Paris Police
Finish the Police Officer job in Paris.
Get Saab 9-3 Turbo
Finish in 1st place on the Checkpoint race 10 in
Paris.

When you collect a paint job for a vehicle, look where the paint can was located. Little paint blobs should still be floating around, as if the can was still there.

Fulfill the criteria listed below to unlock the indicated vehicle:
Paris Bus: Win the first three checkpoint races in Paris.
Washington Bus: Win the first three checkpoint races in Washington.
Fire Truck: Win the first six checkpoint races in Paris.
Cement Truck: Win the first six checkpoint races in Washington.
Armored Car: Complete the Paris security guard job.
Freightliner Century Class S/T: Complete the first six blitz races in Washington.
Hummer H2 SUV: Complete the Washington Salesman job.
FLE: Complete the Paris Delivery Guy job.
Limousine: Complete the Paris chauffeur job.
Cadillac Escalade: Complete the Washington Limo Driver job.
Ambulance: Complete the Paris Paramedic job.
Taxi: Complete the Paris Taxi Driver job.
Paris Police: Complete the Paris Police Officer job.
Washington Police: Complete the Washington Police Officer job.
Chrysler PT Turbo: Complete the Washington Rental Car Driver job.
1959 Eldorado Seville: Complete the Washington Pizza Deliverer job.
Mini Cooper S: Complete the first three blitz races in Paris.
Chevrolet SSR: Complete the first three blitz races in Washington.
Saab 9-3 Turbo: Win the tenth checkpoint race in Paris.
Audi TT: Complete the Paris Special Agent job.
Chrysler Crossfire: Win the tenth blitz race in Washington.
Audi S4 Avant: Complete the first six blitz races in Paris.
1967 Ford Mustang 2+2 Fastback: Complete the Washington Stunt Car Driver job.
Chevrolet Corvette Z06: Win the tenth checkpoint race in Washington.
Lotus Esprit V8: Win the tenth Paris Blitz race.
Dodge Viper SRT-10: Complete the Washington Private Eye job.
Koenigsegg CC: Complete it ALL.