How Many Gran Turismo Games Are There?

My Patreon: / roflwaffle
inb4 "You forgot Motor Toon Grand Prix"
...
(Also you might be able to tell but I did have a cold when I recorded this)
Music (in order):
Moon Over The Castle - Masahiro Ando (Gran Turismo)
Light Velocity - Isamu Ohira (Gran Turismo 3)
Love&Peace - KEMMEI ADACHI (Gran Turismo 5)
Don’t Kick Yourself - Isamu Ohira (Gran Turismo 4)
Five Silver Rings - Makoto (Tourist Trophy)
Air on the G String (Lenny Ibizarre Big Air Beat Groove Mix) - Lenny Ibizarre (Gran Turismo 7)
Paddock Music - Ian Livingstone (F1 2010)
Training Menu, Activity Selection - Toru Minegishi (Wii Fit)
One Blue Spaceshore - aM (Gran Turismo 6)
Authentic Sky - Satoru Kosaki (Tekken 4)
Channels credited:
/ @tpl-motorsport
/ @rynogt4
/ @xtimelessgaming
/ @owlspecgaming
/ @racinggamearchive
/ @gtarchivepaiky
/ @stevenmckay1934
/ @yakumoyukarirz
/ @granturism
/ @thunderthr
/ @calemmrnazreenn
/ @eschell2
/ @richmond1226
/ @neounbalance
/ @skatedestroy77
/ @gocalibergaming
/ @adamdoree
/ @mattj155
/ @filaundying-archiwum
Sources:
kotaku.com/gran-turismo-for-p...
www.gran-turismo.com/gb/produ...
www.gtplanet.net/forum/thread...
nenkai.github.io/gt-modding-h...
www.webcg.net/articles/-/16699
response.jp/article/2003/05/2...
www.4gamer.net/weekly/sim/003...
www.i-club.com/forums/subaru-...
web.archive.org/web/202001290...
www.ebay.com/itm/266133091066
www.gran-turismo.com/us/news/...
0:00 Introduction
1:54 Tier 1 - The Numbered Games (and Sport)
6:16 Tier 2 - The Prologues
9:54 Tier 3 - The Spin-offs
16:22 Tier 4 - The Special Versions
38:22 Tier 5 - ???