i just compared the ss1 onboards from Kopecky and Luky.There is a big straight where both cars toped at same speed(161km/h) after this straight there is another one shorter where there the skoda at every lap tops 128km/h vs 121 of Lukys fiesta.Maybe earlier at brakes Kopecky at long straight?

https://www.fiaerc.com/2016/barum-2016/?tax=videos