I think it's not a good car, the acceleration is top 10 worst I tried the other savage in B class which is actually a decent car and can be useful, but the GTR is gonna be used for the test and left for dust (that rhymes lol) but if you still want me to test i could do it :))
By regularly playing gauntlet,classic multiplayer,master multiplayer or watching videos you will earn tokens/multiplayer badges/fusion . Just Don't waste these on buying/upgrading bad cars . And never take stress 😁