https://blog.caranddriver.com/toyotas-gazoo-racing-is-working-on-street-cars-including-supra-and-new-lexus-gs-f/
Speaking of Tomoyama, it says here his daily driver is a MK4
http://driving.ca/toyota/auto-news/news/new-toyota-supra-wont-be-badged-as-a-toyota
http://www.autoguide.com/auto-news/2017/10/new-supra-might-not-be-a-toyota-after-all.html
Akio Toyoda has already gotten behind the wheel