At the difficulty selection screen, hold L1 + R1 until "Ace" mode appears.

Successfully complete the Toyota Pod Event.

Successfully complete 100% of the races to unlock two bonus FMV sequences.

Successfully complete 50% of the races to unlock a saved game file with 1,000,000,000 credits for Gran Turismo 3: A-Spec.

Hold L1 + R1, at the difficulty selection screen.

Course License (Silver/Bronze):

Mid-Field Raceway: Mazda RX-7 Bathurst Type R
Tokyo R246: Subaru Impreza WRX STi Prodrive Style
Swiss Alps: Pennzoil Nismo GT-R
Tahiti Maze: Mitsubishi Lancer Evolution VI Rally Car
Autumn Ring: Nissan Skyline GT-R M-spec
Mid-Field Raceway II: Toyota Castrol Tom's Supra
Tokyo R246 II: Raybrig NSX
Swiss Alps II: Toyota RSC
Tahiti Maze II: Mitsubishi Lancer Evolution VII Rally Car
Autumn Ring II: Nissan MM

Normal Level:

Mid-Field Raceway: Daihatsu Copen
Tokyo R246: Nissan Z
Swiss Alps: Mitsubishi CZ-3 Tarmac
Tahiti Maze: Mazda Atenza
Autumn Ring: Mazda RX-8
Mid-Field Raceway II: Suzuki GSX-R/4
Tokyo R246 II: Honda NSX-R
Swiss Alps II: Subaru Impreza Rally Car
Tahiti Maze II: Toyota pod
Autumn Ring II: Nissan MM-R

Professional Level:

Mid-Field Raceway: Calsonic Skyline
Tokyo R246: Honda Dualnote
Swiss Alps: Honda Integra Type R LM Edition
Tahiti Maze: Pennzoil Zexel GT-R
Autumn Ring: Nissan GT R Concept
Mid-Field Raceway II: Esso Ultraflo Supra
Tokyo R246 II: Loctite Mugen NSX
Swiss Alps II: Arta NSX
Tahiti Maze II: Au Cerumo Supra
Autumn Ring II: Honda NSX-R LM Edition Road Version
All Course Licenses: Toyota Pod Event
Complete All Normal Level Races:
Complete 50%: 1,000,000,000 Cr for GT3 A-spec