How Your Tires Affect Gas Mileage
Your tires – where the rubber meets the road.
And when it comes to saving money on gas, your tires can may be helping you get better gas mileage or they may be hurting your gas mileage.
So if you’d like to get better gas mileage and you’re not ready to buy one of the brand new super fuel efficient turbo diesels or a hybrid, then here are some tips to make sure you’re tires are up to snuff.
1 – Proper Inflation
It’s been estimated that up to 50% of people are driving around on underinflated tires. While tires that don’t have proper air pressure in them are unsafe, you will also lose 2% of your gas mileage for every 5 pounds per square inch (psi) of pressure that you are below the manufacturers recommended pressure. The reason is that if your tire isn’t inflated properly, there’s going to be more tire touching the road, causing more friction, which reduces gas mileage.
How can you tell if your tires are underinflated? Well, if they look flat they probably are, but it’s not always possible to tell if your tires are properly inflated just by looking at them. In fact, it’s actually quite difficult. What you need is a tool called a tire pressure gauge that you can get from any auto parts store and even your local Walmart or Sears – they’re not expensive (Here’s a cool digital gauge you can get from Amazon for $12). Also, some gas station hoses will have one of these tools built onto them so you can check your pressure when you fill up.
When you’re filling up one tire, make sure you check the rest to make sure that all your tires are properly and evenly inflated.
2 – Type of Tire
Some tires have specialized purposes – like snow tires. Snow tires are really good at driving through snow, but they do so at the expense of gas mileage. If you put snow tires on for the winter, make sure you take them off in spring.
Also, using steel belted tires can help you improve your gas mileage by up to 10%.
And when you’re buying tires, try to fine a tire that has a low rolling resistance.
Wide tires and studded tires will both significantly lower your gas mileage. And unless you’re doing a lot of off roading – you don’t need off road tires.
3 – Alignment & Balance
Make sure that your wheels are properly balanced and aligned. While this isn’t really something you can do at home without specialized equipment, your local auto repair shop can easily do this for you. Keeping everything aligned and balanced means that your tires will roll as freely as possible, helping you consume less gas.
While there are a lot of things you can do to save money on gas, make sure you don’t neglect your tires since they’re the only part of your vehicle that actually touches the road.
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