Quote:
Originally Posted by ps2fixer
I was in the same boat when I needed to change my tires, was going to target ~5% larger tires, but went with factory sized... kind of wish I would have bought 2 larger to test, worst case put them in the back (FWD).
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I bought my Mazda with 195/50/15 tyres fitted by the previous owner.
Original size was 195/55/15, so it was hurting my fuel economy a bit.
I recently bought a set of secondhand 195/60/15 tyres on steel rims as a cheap way of testing what sort of gains the taller tyres could give me.
Compared with my GPS, my odometer is now 5.7% slow, so I'm multiplying that reading by 1.057 to get accurate tank averages and while I want to get a couple more fills with these before I start crowing, it's looking good.
