Gran Turismo 3: A-Spec is a 2001 racing game, the first in the Gran Turismo series released for the PlayStation 2.

The objective of the game is to win all the provided races, championships, complete license tests and achieve 100% game completion. Every 25% of the game completed results in the player being awarded a car as a special prize. For GT3, the Gran Turismo Mode (Simulation Mode in the North American version) has a reorganized layout, with a more structured and progressive arrangement of races and challenges. Races vary from short beginner events to multi-hour endurance races and also rallying events against an opponent. In addition to these modes, car shops are now organized by country and then by manufacturer.

The Arcade Mode is reorganized in "stages"; these stages are made up of 5 or 6 tracks pooled from all available tracks in the game, including both road and rally races. To get to the next stage, all tracks on a stage must be completed on Easy difficulty or higher. By beating the stage on Normal or Difficult, additional cars are unlocked as well for play in any mode of Arcade Mode (including two-player battle and time trial).