Please don't run regular on a car designed to run on premium.

You buy a $50k+ car to slack on $0.30/ per gallon????
It's roughly 10% more for premium.


Less Performance
Possibility of ruining warranty...
Yes the engine will retard it's timing if it detects any knocks... But I wouldn't risk that stuff being logged into the computer and used against you when a warranty claim comes up...



Think about it...