JohnnyN said:
For a perfect size you would need a 205/60/15 spare. This will fit in the wheel well fine. The difference between your 19" and the 15" would be 6mm on diameter and a percentage of 0.96% difference which is well within the recommended guidelines of +/-2.5%.
You could also go down to 175/70/15.
;-)
As in the quote, as you are running the 19" you will need a spare of either 205/60/15 or 175/70/15.
As for the above figure that I quoted you of 29mm, your 19" wheels are 29mm biggr on rolling diameter than your OE fit wheels.
