Gas Mileage Tip - Keep Tires Properly Inflated

You can improve your gas mileage by around 3.3 percent by keeping your tires inflated to the proper pressure. Under-inflated tires can lower gas mileage by 0.4 percent for every 1 psi drop in pressure of all four tires. Properly inflated tires are safer and last longer.

Fuel Economy Benefit: up to 3%
Equivalent Gasoline Savings: up to $0.09/gallon

Note: Cost savings are based on an assumed fuel price of $2.91/gallon.

Estimates for fuel savings from vehicle maintenance, keeping tires properly inflated, and using the recommended grade of motor oil are based on studies and literature reviews performed by Energy and Environmental Analysis, Inc., Washington, DC.