Hmm... but they'll fit on my 2015 Mazda3?
Just looked at a few sites, it is virtually identical wheel specs for a 3 and a 5. I think the TPMS wont work though, seems they got an update in 2013 but you would have to verify, tire rack might know. Just tell them you have a set from your 2010 model and want to use them on a 15.