TRUCK · Diesel

Ford F-350 Super Duty (Diesel) Fuel Cost

Heavy-duty diesel pickup for serious payload and fifth-wheel towing. Below are estimated fuel costs based on 15 combined MPG and average US gas prices.

Best for towing, hauling and work duty rather than fuel-sipping commutes.

  • Built for towing
  • High fuel use
  • Strong highway diesel
  • Heavy fuel use
  • Updated for 2026
  • EPA-style MPG
  • US avg fuel prices
  • US units
  • Transparent assumptions
City

14 MPG

Highway

18 MPG

Combined

15 MPG

Tank

34 gal

Range / tank

~510 mi

MPG breakdown

City14 MPG
Highway18 MPG
Combined15 MPG
510miles
Range / tank

Estimated fuel cost at 12,000 miles/year

Based on 15 MPG and $3.85/gal.

Annual cost

$3080

Monthly cost

$257

Cost per mile

$0.257

Gallons / year

800

Estimate your own cost

Pre-filled with the Ford F-350 Super Duty (Diesel)'s combined MPG.

mi/yr
mpg
$/gal

Pre-filled with estimated combined MPG for the Ford F-350 Super Duty (Diesel). Adjust for your real-world driving.

Estimated Annual Cost

$0.00

Per Month

$0.00

Per Mile

$0.000

~800 gallons per year

Cost by annual mileage

How much you'll spend per year at common US mileage levels (estimates).

Miles per yearGallons / yearAnnual costMonthly cost
8,000533$2053$171
12,000800$3080$257
15,0001000$3850$321

Estimates only. Actual costs depend on driving style, terrain, weather, and local fuel or electricity prices.

How we estimate Ford F-350 Super Duty (Diesel) costs

MPG / MPGe
EPA-style combined city + highway figures for the base trim and recent model year.
Fuel price
Average US retail regular gas, premium where required, or per-kWh electricity.
Annual mileage
Default scenarios at 8,000 / 12,000 / 15,000 miles per year.
Trim & year variance
AWD, larger wheels, towing packages and older years can lower efficiency 5–15%.

Sources & assumptions

  • EPA fuel economy dataCity / highway / combined MPG and MPGe baselines.
  • U.S. Department of Energy (fueleconomy.gov)Vehicle efficiency and EV range references.
  • AAA gas price trendsRecent national and regional retail fuel averages.
  • EIA electricity ratesAverage residential per-kWh prices used for EV charging.

We summarize publicly available data — no scraping, no external API calls. Figures are calibrated periodically; use the calculators above for your exact inputs.

Frequently asked questions

What is the estimated annual fuel cost for the Ford F-350 Super Duty (Diesel)?

Driving 12,000 miles per year at 15 MPG and $3.85/gal, expect about $3080 per year. Heavier city driving or longer commutes will increase that.

What MPG does the Ford F-350 Super Duty (Diesel) get?

Estimated EPA-style ratings are roughly 14 city / 18 highway / 15 combined MPG. Real-world numbers depend on terrain, climate and driving style.

What is the tank size of the Ford F-350 Super Duty (Diesel)?

The Ford F-350 Super Duty (Diesel) typically has a 34-gallon tank. At 15 combined MPG, that's roughly 510 miles of driving range per fill-up.

How does Ford F-350 Super Duty (Diesel) fuel cost compare to other vehicles?

At 12,000 miles per year, this vehicle costs about $3080. Compare it to other trucks on our index page or use the cost-per-mile calculator to compare two specific vehicles side-by-side.

Cheaper-to-drive alternatives

Same vehicle class as the Ford F-350 Super Duty (Diesel), but lower fuel or charging cost per mile. Annual cost at 12,000 mi.

Save vs F-350 Super Duty (Diesel): $1488
over 12,000 mi/yr by switching to Ford Maverick
Ford F-350 Super Duty (Diesel)· this vehicle$3080
Ford Maverick· 26 MPG$1592
Ford Ranger· 23 MPG$1800
Ford F-150· 21 MPG$1971
Ram 1500· 21 MPG$1971

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