I had a 2011 V6 with a 373 gear and few other goodies that ran pretty good. I think it might and I again I said might win in the quarter against my V8. But if it was close in the quarter it would not not have been close after that even though my V8 is stock. I have had both V8 and V6 so I speak from experience not from some magazine report. There were plenty of mods for the 2011 not sure what they have for the 15's. Now to your question drive them both and then get what you want.