Saving with Proper Tire Pressure September 17, 2015 Jeremy Turner 0 Comments Maintaining the proper tire pressure will save you money. Having the low tire pressure light on is very common these days. It is easy to ignore, but low tire pressure can cost you money! I have personally increased my gas mileage by 2 miles per gallon by just properly filling the tires. Low or over inflated tires can cause premature tire wear. If you are not sure how much air to put in check the door jam on the driver door. Most cars suggest 32-35 PSI for inflation CategoryMaintenance, Services, Tire Pressure Like Tweet +1 Pin it Write a comment: You must be logged in to post a comment.