99		Gran Turismo 4: "Prologue" (PlayStation 2, 2003)
99		Gran Turismo: Sport (PlayStation 4, 2017)
99		Gran Turismo Concept: 2002 Tokyo-Geneva (PlayStation 2, 2002)
99		Gran Turismo 4 (PlayStation 2, 2005)
99		Gran Turismo 6 (PlayStation 3, 2013)
99		Gran Turismo 5: Prologue (PlayStation 3, 2008)
99		Gran Turismo HD Concept (PlayStation 3, 2007)
99		Gran Turismo 5 (PlayStation 3, 2010)
99		Gran Turismo Concept: 2001 Tokyo (PlayStation 2, 2002)
99		Gran Turismo 2 (PlayStation, 1999)
99		Gran Turismo (PlayStation, 1998)
90		Pro Race Driver (PlayStation 2, 2002)
89		Jarrett & Labonte Stock Car Racing (PlayStation, 2000)
82		GRID: Autosport (PlayStation 3, 2014)
73		TOCA 2: Touring Car Challenge (PlayStation, 1999)
72		Le Mans 24 Hours (PlayStation 2, 2001)
66		Formula One 2000 (PlayStation, 2000)
66		NASCAR Thunder 2004 (PlayStation 2, 2003)
66		Formula One 99 (PlayStation, 1999)
65		IHRA Motorsports Drag Racing (PlayStation, 2001)
65		F1 World Grand Prix (PlayStation, 2001)
65		4x4 Evo (PlayStation 2, 2001)
64		Need for Speed: Shift (PlayStation 3, 2009)
63		F1 World Grand Prix (PlayStation, 1999)
63		NASCAR Thunder 2004 (PlayStation, 2003)
62		Need for Speed III: Hot Pursuit (PlayStation, 1998)
62		IndyCar Series 2005 (PlayStation 2, 2004)
62		Need for Speed: High Stakes (PlayStation, 1999)
61		Indy 500 (PlayStation, 1997)
60		Driveclub: Bikes (PlayStation 4, 2015)
58		GRID (PlayStation 3, 2008)
56		Driver (PlayStation, 1999)
56		World Racing 2 (PlayStation 2, 2006)
54		Driver 2 (PlayStation, 2000)
53		Colin McRae Rally 2005 (PlayStation 2, 2004)
50		TOCA Race Driver 3 (PlayStation 2, 2006)
49		Colin McRae Rally 2.0 (PlayStation, 2000)
48		DiRT (PlayStation 3, 2007)
47		Colin McRae Rally 04 (PlayStation 2, 2003)
47		Colin McRae Rally 3 (PlayStation 2, 2002)
44		Project Cars (PlayStation 4, 2015)
44		Sega Rally Revo (PlayStation 3, 2007)
42		Richard Burns Rally (PlayStation 2, 2004)
42		Corvette GT Evolution (PlayStation 2, 2006)
42		Corvette GT Evolution (PlayStation 3, 2013)
42		DiRT 3 (PlayStation 3, 2011)
40		DiRT: Rally (PlayStation 4, 2016)

Notes: Games similar to Gran Turismo 3: A-spec, Games like Gran Turismo 3: A-spec, Polyphony Digital Inc., Sony Computer Entertainment America, Inc., PlayStation 2, Racing, Driving, Simulation, Vehicle Simulator, 3rd-person, Other, Automobile, Track Racing, City - Rome, City - Seattle, City - Tokyo, Snoop Dogg, Street racing, Sony PlayStation, PSX, PS1, PS2, PS3, PS4, Game Similarities.