Quote:
Originally Posted by 93Cobra#2771
cfg83 - you did go for a wider tire. A 195/65/15 is 10 mm wider than the stock 185/65/15 and slightly taller as you found.
What have you found in your mileage comparisons so far?
I'm wondering if the decreased deflection/ heat generation will cancel out any loss from the slightly wider tire? 10mm is less than 1/2" from sidewall to sidewall.
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I actually made the exact same tire-size switch, and my new tires aren't exactly long-life or LRR tires, but my MPG has improved (however, I think it's mostly a function of my driving). At worst, the slightly wider tires aren't hurting to any extent that I can detect.
I also get a warm, fuzzy feeling from multiplying my calculated mpg by 1.02. It's like a bonus!