The Toyota 4Runner is a rugged, body-on-frame SUV beloved for its durability and off-road ability. That old-school toughness has traditionally come with an old-school fuel bill, so the question is fair: how much does a Toyota 4Runner cost in gas per year?
The long-running V6 was famously thirsty, but a recent redesign brought more efficient turbocharged engines and a hybrid. Here is the real annual cost, and how the generations differ.
How much does a Toyota 4Runner cost in gas per year?
Your annual fuel bill comes down to three things: how far you drive, what you pay per gallon, and the vehicle’s MPG. The Toyota 4Runner returns about 20 MPG, so here is what a year of driving costs at three common mileage levels, using the current national average of roughly $3.91 a gallon.
| Miles driven per year | Annual gas cost | Per month |
|---|---|---|
| 10,000 miles | $1,955 | $163 |
| 12,000 miles | $2,346 | $196 |
| 15,000 miles | $2,933 | $244 |
So the typical driver spends around $2,639 a year, or about $220 a month, on fuel in a Toyota 4Runner. That works out to roughly $0.20 per mile in fuel alone. Pay less than the national average where you live and the bill drops; at $3.50 a gallon the 13,500-mile figure falls to about $2,363, while at $4.50 it climbs to around $3,038. Check what you actually pay on the live gas price tracker and plug it into the gas cost calculator for a number matched to your driving.
Zoom out and the figure gets your attention. Over five years, a typical Toyota 4Runner driver spends roughly $13,196 on fuel alone, and a decade of ownership close to double that. That is real money, which is exactly why fuel cost deserves a place in the buying decision alongside the sticker price and the monthly payment. A thriftier trim, engine, or drivetrain quietly pays you back at every fill-up.
What kind of MPG does the Toyota 4Runner really get?
The outgoing Toyota 4Runner, with its 4.0-liter V6, earned an EPA combined rating of only about 17 MPG, roughly 16 city and 19 highway, reflecting its truck-based, off-road design. The redesigned 4Runner switched to turbocharged four-cylinder power and added an i-FORCE MAX hybrid, lifting real-world economy into the low 20s for many configurations. Our estimate here uses about 20 MPG combined, but confirm the figure for the exact engine and model year you are considering.
Keep in mind that the window-sticker number is a lab figure. Real-world mileage usually lands 10 to 15% lower, shaped by short trips, cold starts, aggressive acceleration, roof racks, and under-inflated tires. The honest way to know your Toyota 4Runner’s number is to measure it: fill up, note the odometer, and run the math through the MPG calculator, then confirm the gallons any trip will use with the fuel consumption calculator.
Monthly, weekly, and per-mile cost
Big annual numbers are easy to ignore, so break them down. At the typical 13,500 miles a year, a Toyota 4Runner runs about $220 a month and roughly $51 a week in fuel. On a per-mile basis that is about $0.20, but fuel is only part of what a mile really costs. Tires, oil, brakes, and depreciation stack on top, which is why the cost per mile calculator gives a truer picture of ownership. If most of your miles are a daily commute, the commute cost calculator shows exactly what that drive adds up to each month.
Here is a concrete example. A 30-mile round-trip commute five days a week comes to about 7,800 miles a year, which in a Toyota 4Runner means roughly $1,525 in commuting fuel alone, before you drive anywhere on the weekend. Small changes to that daily routine, carpooling twice a week, trimming one errand trip, or working from home a day, translate straight into fuel savings you can feel.
What changes your Toyota 4Runner’s yearly fuel bill
Miles driven. This is the biggest lever by far. A 20,000-mile-a-year driver spends nearly double what a 10,000-mile driver does in the same vehicle, no matter how efficient it is.
Local fuel prices. Where you live matters enormously. The same Toyota 4Runner costs hundreds more per year in high-price states like California than in cheaper states. Compare your state on the gas prices by state page to see where you fall.
City versus highway. The Toyota 4Runner’s highway number beats its city number, so a driver stuck in stop-and-go traffic burns more than the combined rating suggests. Smooth, steady highway miles are the cheapest kind, and in dollar terms a mostly-city driver can spend a few hundred dollars a year more than a highway commuter in the very same vehicle.
Fuel grade. Good news here: the Toyota 4Runner is designed to run on regular unleaded, not premium, so you are already buying the cheapest grade at the pump. Cars that require premium can cost hundreds more a year, so sticking with regular where the manufacturer allows it is a saving many drivers overlook.
Driving style and upkeep. Hard acceleration, speeding, and a neglected air filter or soft tires all quietly raise the bill. Gentle inputs and basic maintenance protect the MPG you paid for.
How the Toyota 4Runner compares
Against car-based crossovers, the 4Runner has always been thirsty, the price of its genuine off-road hardware and rugged build. Against other body-on-frame SUVs it is competitive, and the new turbo and hybrid powertrains close much of the gap that the old V6 opened. Buyers choose it for durability and trail ability, not for efficiency.
If you are curious whether an electric vehicle would be cheaper to run than the Toyota 4Runner, the EV vs gas by state tool lays the two side by side using your local energy and fuel prices, which is the only fair way to compare.
How to cut your Toyota 4Runner’s fuel costs
- If buying used, know the old V6 is much thirstier than the new turbo and hybrid engines.
- Remove roof racks and heavy off-road gear when you are not using them.
- Buy on cheaper days with our best day to buy gas guide and a gas price app.
- Avoid four-wheel drive on dry pavement and keep tires inflated.
- Compare your state on the gas prices by state page.
Does fuel economy matter when buying a Toyota 4Runner?
More than most buyers realize. Two versions of the same vehicle with different MPG can differ by hundreds of dollars a year at the pump, and over a typical ownership period that gap can rival the price difference between trims or engines. When you compare a Toyota 4Runner against rivals, or one Toyota 4Runner engine against another, it pays to look past the monthly payment and fold the yearly fuel cost into the total. A slightly pricier but thriftier version often costs less to own once the fuel is counted.
This is also where a hybrid, a smaller engine, or an efficient drivetrain earns its keep. Run the versions you are considering through the gas cost calculator side by side, and if you are open to going electric, the EV vs gas by state tool shows how charging would compare with fueling a Toyota 4Runner where you live.
So, is the Toyota 4Runner cheap to run?
Historically no, though the latest generation improves things. The old V6 4Runner was thirsty by any measure, while the new turbo and hybrid versions are meaningfully better. If you want a tough, trail-ready SUV, the fuel cost is the trade for that capability, and the newest models soften it.
How we calculate these figures
The math is transparent: annual gas cost = (miles driven ÷ combined MPG) × price per gallon. We use the Toyota 4Runner’s combined fuel-economy rating from the EPA’s official ratings for recent model years, an assumed 13,500 miles a year (close to the U.S. average), and the current national average pump price of about $3.91 a gallon. Change any input and the total changes with it.
Pump prices trace to the U.S. Energy Information Administration (EIA) weekly retail survey, refreshed on our state price pages every business day. For your exact trim, engine, and model year, confirm the rating and measure your real-world MPG with the MPG calculator. Read how we source everything on our methodology and sources pages.
Figures reviewed by Alex Morgan · Last reviewed: July 12, 2026
Frequently Asked Questions
How much does a Toyota 4Runner cost in gas per year?
About $2,640 a year for a typical 13,500-mile driver at roughly 20 MPG and $3.91 a gallon. The older V6 model, near 17 MPG, costs more, around $3,100.
What is the Toyota 4Runner’s MPG?
The older 4.0-liter V6 earned about 17 MPG combined. The redesigned 4Runner’s turbo and hybrid engines lift real-world economy into the low 20s.
How much does a Toyota 4Runner cost in gas per month?
Roughly $220 a month for a typical driver, more for the older V6 model, depending on mileage and local prices.
Is the Toyota 4Runner good on gas?
Historically no, though the latest turbo and hybrid versions are much improved over the long-running V6.
Does the 4Runner take regular gas?
Yes, the 4Runner runs on regular unleaded.
The bottom line
Expect a Toyota 4Runner to cost around $2,639 a year in fuel for a typical driver, or about $220 a month, with your real number rising or falling on your mileage and local prices. On running costs, the Toyota 4Runner is on the thirsty side, though the new engines help for its class, and a few simple habits shave even more off the total.
Want your exact figure? Run your mileage through the gas cost calculator and check today’s prices in your state. To see what fuel-saving habits are worth, try the fuel savings calculator.