depends....my fronts wore out faster on my previous 08, all on one side. Very uneven wear. Couldn't find out why. Replaced with new front and rear lasted 5k street miles and 8 trackdays
I got 2 rears to one front, some times 3 rears. On the street I would get 2 to 1 all the time. But because I switched between brands I would buy both front and rear