Tire Pressure: Do This to Save Fuel

With fuel prices hitting record highs, thanks in part to the war in Ukraine, you need to do what you can to cut fuel costs. The secret to better fuel economy is proper tire pressure. Too high or too low and you'll be burning more fuel, wearing out your tire prematurely, and potentially causing an accident.

Twitter: @JackTalksTires

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DISCLAIMER: This is NOT a sponsored video. All opinions expressed are my own, and are based on interviews with industry experts, and/or my experience as a journalist and editor covering the automotive industry for over 20 years, and/or research I conducted on the specific topic covered in this video.

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[cantbuyrespect]

Going by the door jam is wrong unless you have the factory tires on the car since every tire has a different load rating at different max psi compared to the factory tire that came with the car. The only way to be sure you have the correct pressure is to caulk line test it. With modern radial tires it wont really hurt to run them a bit on the higher side. Higher psi around 40 will give the best wear and mpg for most small and midsize cars but again it depends on load ratings of the actual tire.

[Jeo-What]

Thanks for the review and information. I would respectfully say that the subject of over inflating the tires benefit is: it depends on the driver and the average speed. For highway driving due to aerodynamic resistance there is no benefits and increases of unstable handling so it does not make sense. For people like me who have been over inflating for years, who drives within speed limited non aggressively and mostly below 80Km/hour locally, I do see increases on the mileage and no issues of handling issues in my CrossClimate2 All Weather tires.

[angelolapasota]

is it safe to ride on tires with51lbs when they were filled cold at when going from cold state to warm state???

[CoolGuy-rktc]

My car has 35 in front and 33 in the back as recommended, is it ok if I accidentally overinflated the back to 35 making them all the same pressure?

[tonychan]

How to check the correct tires pressure if I have changed all new 4 tires

[davefrancisaldeguer]

Original tire size 205/60r16 with 220 front & 240 rear, i change the tire size to 215/60r17, the air pressure is the same o do i need to fill a bit?

[EverybodyLovesMoe]

I know Jack talks tires, and he is right about saving money on fuel with correct tire pressure. However, I would have made mention to the fact that driving over 50 mph/80kmh begins to reduce gas mileage quite a bit, unless you're driving a sports car whereas some actually stay the same or even get better the faster you go. The savings from going slower far outweigh tire pressure and it makes me wonder in a world trying to save fuel why speed limits are increasing and not the other way around.

[xpertcrush]

1:38 A gallon is 3.785 litres, if one litre comes at $2 and a gallon $5, i am already saving huge by going gallon 🤣

[TRH]

Yeah all the war. Has nothing to do with wreckless spending.

[npt]

WADR it is not practical to check tire pressure every week or even every 10 days. Possibly if we do that there would be more line to check tire pressure at petrol/gas/diesel station than to actually fill fuel in vehicle. I prefer to fill approx 2 points above recommended on vehicle's door label in summers. Then check every 30 to 45 days. If doing a road trip, then fill just 1 above recommended. While in winters as temps can vary a lot, I usually fill 3-4 above recommended, check every month. Driving in fuel speed limit of 55-60 mph whenever feasible, avoid going beyond 75 mph will give you overall pleasure and good fuel efficiency as well. This is applicable to most sedan cars, SUVs, pickup trucks and even motorcycles. Dry more efficiently and our next generation may thank us for it.

[hybridangel]

Most people top their air up whilst they're still warm

[marzero]

I have one sit on the door jamb and another on the gas cap

[mojojoji]

I had a tire under 10psi under recommended psi, (but the tire was solid and wasn’t sagging at all) should I be worried about tire wear ?

[stevew]

Buy an EV and you will stop caring about fuel prices.