Gas jumped 15 cents last week. Not last month. Last week.
The national average hit $4.09 a gallon on July 23, according to AAA. Most states are now averaging $4 or more. You already know why: Crude got shoved into the $90 range by the chaos in the Strait of Hormuz.
Before the war with Iran started, gas was running about $2.98.
That’s a $1.10-a-gallon war premium. Every gallon. Every fill-up. Every week.
I’ve seen this movie before. In August 1990, I was a Wall Street investment advisor when Iraq rolled into Kuwait and crude climbed roughly 90% in about 10 weeks. I covered the 2008 spike. I covered 2022.
Three shocks, three different causes, one thing in common: The people who got hurt the worst could afford it least.
What this is stealing from you every year
A typical driver covers roughly 12,000 miles a year, and the average vehicle on American roads gets about 22 miles per gallon, according to Federal Highway Administration data.
Divide it out and you’re burning around 540 gallons a year.
At $1.10 extra per gallon, that’s just under $600 a year.
Two cars in the driveway? Call it $1,200 a year. That’s more than two months of groceries for the average household, or about a third of what typical households spend eating out in a year. It’s a modest vacation. Or a $1,200 car repair that doesn’t have to go on a credit card.
Depending on where you live, it could be better, or worse. AAA has California at $5.57 and Hawaii at $5.42, while Indiana sits at $3.53 and Mississippi at $3.64.
Why the cavalry isn’t coming
Normally when prices spike like this, Washington opens the Strategic Petroleum Reserve and takes the edge off.
That valve is nearly used up. The reserve held about 316.5 million barrels in mid-July, its lowest level since April 1983 according to Energy Information Administration data, after a 172-million-barrel release earlier this year.
There’s also a nasty little quirk traders call “rockets and feathers.” Pump prices shoot up like rockets when crude rises and drift down like feathers when it falls.
Translation: Even if this ends tomorrow, you won’t feel the effects next week.
One useful rule of thumb from Moody’s Analytics — every $10 move in a barrel of crude works out to roughly 25 cents a gallon at the pump. Watch oil prices and you can forecast your own fill-up about two weeks out.
1. Run the number on your own tank
Stop reading national averages and get personal. Grab your last fill-up receipt.
Take your annual miles, divide by your car’s actual mileage, and multiply by $1.10. That’s what this war is costing you specifically.
Do it now, on paper. A vague sense that “gas is expensive” produces vague action. A number on a page produces a decision.
Now, let’s talk about how to spend less.
2. Where you buy beats when you buy
The single biggest lever most people ignore is the station itself. Warehouse clubs like Costco and Sam’s Club routinely run 10 to 30 cents under the corner station.
At 540 gallons a year, a 20-cent gap is $108 without changing a thing about how you drive.
Then there are apps, like Upside. It’s a free app that pays you real cash — up to 25¢ a gallon — at stations you already use, including Shell, BP, and Exxon. Claim an offer, pay with your usual card, and the cash back lands in the app.
Timing matters too, and there are three days of the week you should avoid filling up entirely. I’ve also written about this in “10 Simple Tricks to Use Less Gas.”
3. Put a rewards card to work at the pump
If you’re paying with a debit card, you’re leaving money on the table.
Plenty of credit cards pay 3% to 5% back on gas. On 540 gallons at $4.09, 4% back runs about $88 a year. That’s real money for a five-minute application.
One condition, and it’s not optional: You pay the balance in full every month. Carry a balance at today’s rates and the interest swamps the rewards several times over.
Quick gut-check — if your money advice is coming from random online influencers, you’re playing a dangerous game. I’ve been a CPA since 1981 and writing about money since before the internet existed. Sign up for the free Money Talks Newsletter and get expert advice that’s been tested by time.
4. Quit buying premium you don’t need
Check your owner’s manual. If it says “recommended” rather than “required,” regular is fine.
AAA estimates drivers waste about $2.1 billion a year on premium gas their vehicles don’t need. Premium typically runs 60 cents to a dollar over regular right now.
That’s a few hundred dollars a year to buy a fuel your car doesn’t need.
5. Do the boring maintenance
None of this is exciting. All of it works.
Underinflated tires can cut your mileage by up to 3%. Check the sticker inside your driver’s door, not the number stamped on the tire.
Pull the junk out of your trunk. Take the roof rack off when you’re not using it, since carrying things up there can cost you as much as 8% of your mileage.
Ease off the gas pedal. Aggressive driving can lower gas mileage by 10% to 40%, depending on conditions.
Stack these and 10% better mileage is realistic. On a $2,200 annual gas bill, that’s $220 back.
Our rundown of 13 ways to improve your gas mileage goes deeper if you want the full list.
6. Don’t make a 10-year decision on a 10-week price
Every oil shock produces a wave of people who panic-trade a paid-off car for a hybrid or an EV at exactly the wrong moment. Dealers know this. Used hybrid prices spike during gas spikes.
I watched it in 2008 and again in 2022. Both times, car prices came back down and those buyers were underwater on a car they overpaid for.
If you were already shopping, shop. If gas prices are the only reason you’re shopping, wait.
Look at the latest arc. Gas peaked at $4.56 on May 21, fell under $4 in June when the ceasefire held, and shot back up when Trump declared the ceasefire over on July 8. That’s not a trend. That’s a coin flip with headlines attached.
7. Let this stress-test the rest of your budget
This is the item that matters most, and it isn’t about gas at all.
A $600 hit per car per year is survivable for most households. But if it isn’t survivable for yours, that’s not a gasoline problem. That’s a margin problem, and gas just happened to be the thing that exposed it.
Ask yourself honestly: If this had been a $600 car repair instead, would it have gone on a credit card?
If the answer is yes, you’ve got company. More than 45% of American households can’t cover their basic costs, and one unexpected bill is usually what tips them over.
The fix isn’t cheaper gas. It’s building enough cushion that the next shock — and there’s always a next shock — is an annoyance instead of an emergency.
Because oil shocks don’t just hit the pump. They hit groceries through freight costs, airfares through jet fuel, and your portfolio through inflation expectations. I laid out the full damage in “6 Ways the Iran War Permanently Changed the Global Economy.”
The bottom line
I can’t tell you where gas goes from here, and neither can anybody else.
What I can tell you, after 45 years of watching these things, is that the response to high gas prices is always the same.
Know your number. Cut the waste you control. Don’t make permanent decisions about a temporary price.
Then go fill up your tank on a Monday, at a warehouse club, with a rewards card, and get on with your life.
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