You know, anything less than 400 wouldn't make sense for the Supra if it's an LMGTE car, the competition is too stiff!
911 RSR 500+ HP
AM Vantage 500+ HP
BMW M8(GTE) 500+ HP
488 GTB (GTE) 600+ HP
C7.R -500+ HP
Ford GT(GTE) 600+ HP
Though BOP might keep them even