HMMMM> Losi does things better and mugen does some things better. I hated my losi 2.0 for the longest time till i finally switched out the rear shock oil to something better then 25wt. After that i loved it. The mugen it was just okay didnt really do anything great just did it good enuf. it is built very well parts do hold up great. But i vote the losi just cause a part wears out should not stop u from buying it check the stop watch... One thing with a losi you get is no matter what track you run no setup changes needed just swap tires.