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Most people just take their tire pressure for granted. They don't realize it plays a big role on how their car handles as well as their gas mileage. Lowering your tire pressure increase grip but also decreases gas mileage. While increasing your tire pressure reduces grip but improves gas mileage. Just wondering what you guys use for tire pressure on your daily drivers? Personally I run 38 for my fronts and 42 for my rears on my rwd car. I found that I get pretty good gas mileage and also decent grip with that setup.
 

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Get the Nitrogen in the tires. I did that to my last car in the summer and made through the whole winter without changing 1 psi. Just don't pay too much. Our dealership charges $50 for all 4.
 

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35 PSI all around(cold).

According to the experts, having all nitrogen in the tires of a family sedan serves no usefull purpose. My dealer in Brampton, Ontario charged me almost $300. (with tax) to have all nitrogen installed in the tires. Little did I know that 2011 Regals come from the factory with all nitrogen in the tire and the cost is included in the purchase price.
 
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