Black Cars (GT4), Gran Turismo Wiki

The "Black Cars" are a group of four secret prototype race cars featured in Gran Turismo 4 during days 694-700 of the calendar cycle. They are all painted, instead of in team liveries, in black. If the player decides to buy all four race cars, a total of 8,299,978 Credits is required. The "black vehicle" concept is reused in Gran Turismo 5, Gran Turismo 6, and Gran Turismo 7 with the Stealth Model vehicle series. It is possible, although very rare, to encounter the AI using the black cars. They

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