Quote:
Originally Posted by mcbota
Also I am thinking if is worthy to change the wheels, in this moment I have 215/55/16 and I want to change with 195/65/15, but I am not sure how much I will gain!
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In my opinion it would take a long time to recoup your investment unless you need to buy tires because the 16s are worn out, and you plan to keep the car a long time. It may improve the ride slightly. However, I would recommend buying a ScanGuage. It will give you instant and current fuel economy and help educate you on eco-driving. (I tried an UltraGuage and it does not work well with the diesel)