Gran Turismo 5 Spec II

On October 11, 2011, Polyphony Digital released a large update to GT5, named Spec 2.0. This update adds several major additions to the game, including:

11 additional NASCAR vehicles (2011 models)
Interior views for standard models
Ability to suspend endurance events mid-race
Compatibility for future Downloadable Content (DLC).

Polyphony then released what was to be the first set of many of DLC, containing the Spa-Francorchamps circuit and a Red Bull X2011 Prototype ’11 amongst others, on October 18, 2011. (courtesy Wikipedia)

Source: TheGamesDB