What should i buy a 2003 110 klx dirt bike or a 1992 kx dirtbike?

i debating rather to get the 2003 klx dirt bike or a 1992 kx dirtbike? there both about the same price which one should i get. i want a dirtbike thts faster so i was thinking the kx but is 1992 too old? im going to be riding behind my house in the woods but i want something with speed.