Gran Turismo 2000 was an initial title for the project later known as Gran Turismo 3: A-Spec, utilized in various demonstration versions and a demo disc. Building on Gran Turismo 2, it featured enhanced physics and graphics, demonstrating the capabilities of the PlayStation 2 hardware developed by Polyphony Digital. The title played a significant role in showcasing advancements in racing simulations.
Gran Turismo 2000 is the original title of the project that became Gran Turismo 3: A-Spec, with the name being used for several demonstration builds and one demo disc. It was based on Gran Turismo 2, where the physics and graphics were updated to showcase what Polyphony Digital could do with the new hardware in the PlayStation 2.