As a specialized racing simulator released in 2007 for the PlayStation 3, this title functions as a technical precursor, sampling the core driving mechanics intended for a later full release. The gameplay centers on mastering realistic vehicle handling across 6 tracks with 12 layouts, emphasizing precision driving over extensive career progression. Distinctive features include support for over 70 cars, high-fidelity 60 FPS racing performance, and robust online competition supporting up to 16 players in its latest iteration (Spec III).
The primary gameplay loop revolves around mastering vehicle control across a selection of meticulously rendered circuits. As a simulator, the experience prioritizes realistic handling models, requiring players to understand braking points, apex clipping, and precise throttle modulation to achieve optimal lap times. The physics engine aims for authenticity, making car setup and driving technique central to competitive success.
Races are structured around competitive events where performance is measured against the clock and other drivers. The game features a robust online component, allowing for direct competition against other players in organized events.
This iteration offers a curated selection of high-fidelity content. Players have access to over 70 distinct vehicles, including specialized tuned versions of production cars. The track selection is focused, featuring 6 distinct circuits, which are further expanded by offering 12 different track layouts derived from those base circuits.
A significant aspect of this title is its technical execution on the PlayStation 3 platform. Races are designed to run at a smooth 60 frames per second, ensuring responsive control feedback during high-speed maneuvers. Furthermore, the game supports high-definition audio output, specifically LPCM 7.1ch sound, enhancing immersion through detailed engine audio and environmental effects.
The software has seen iterative updates since its initial launch. A notable revision, referred to as Spec III, brought significant enhancements to the online functionality. This version supports up to 16 players in online races, solidifying its role as a competitive online testing ground for the simulation mechanics.
It is important to note that this specific title does not feature any downloadable content packs or separate expansions released post-launch; its content offering is fixed based on its final published version.
The content of this game is suitable for all persons. It contains: This game allows the player to interact with other players ONLINE

Gran Turismo 5 is the fifth game in the Gran Turismo racing video game series. It expands on the game's Prologue version and is the first entry of the series to be developed for PlayStation 3. The game marks the first entry in the series with online races with support for up to 16 players. Over 1,000 cars, 26 different locations, and 71 different tracks are available in the game. Night racing also returns. World Rally Championship, NASCAR and Super GT licenses are utilized for the first time in the Gran Turismo series.

On October 9, 2008, it was announced that Gran Turismo 5 Prologue Spec III will be released for a limited time only, bundled with the new 80GB PS3 model released only in Japan. The new model will have a choice of 3 colours; black, silver, and white, and will also come with the DualShock 3 controller as standard. Spec III introduces gameplay improvements and 3 new cars. New packaging has also been shown, showing the GT by Citroen car on the front instead of the Nissan GT-R. The bundle was released on October 30, 2008. On October 3, 2008 Polyphony Digital released the 5th update of GT5 Prologue to coincide with the GT by Citroën concept car unveiling at the Paris Motor Show. The contents of the update is as follows: - In Time Trial events, speed penalties have been removed, and instead incurring such a penalty now invalidates the lap time for that particular lap. - Race events have tweaked difficulty levels and increased earnings for winning a top spot. - Improved responsiveness when using the wireless controller & added key assignments for controller 2 in device. - Improved sound volume balance for sound effects and music. - Drift Trial races now feature a rolling start. - Corrected a problem where the steering controller moves while at a standstill. - Manual updated New cars For Spec III: This is the first update for Gran Turismo 5 Prologue to add new cars to the game. Three new cars were added (GT by Citroën, Ferrari California, and Lotus Evora) and all have to be acquired by completing rank a,b,c,d. The Platinum release of the game comes with the Spec III update. NOTE: GT5P: Spec II updates were included with the blu-ray disc North American release of GT5P. The Blu-ray disc of Spec III was only released in Japan with the PS3 80GB bundle on October 30, 2008. The Spec III patch for GT5P was released Worldwide on October 3, 2008.