Gran Turismo 2 -japan- -disc 2- -gran Turismo- ... «PLUS»
: The Japanese Disc 2 title screen features the engine of an Aston Martin DB7 , whereas the American version changed the art to a more generic logo. Technical Legacy and Revisions
You would be wrong.
The cynical answer: Development recycling. Polyphony Digital was hemorrhaging code trying to finish GT2. They had the original GT’s engine running on the new build. Why not just burn it to the second disc as a "bonus"? Gran Turismo 2 -Japan- -Disc 2- -Gran Turismo- ...
: This is the primary career mode where you must earn driver's licenses, purchase vehicles with in-game credits, and win trophies to unlock new courses. Metric Units : The Japanese Disc 2 title screen features
You want detailed information about the (officially titled Gran Turismo 2: Simulation Mode Disc ). purchase vehicles with in-game credits