2026 Ford F-450 Super Duty Gas Tank Size and Capacity

Pickup 12 trims listed ← 2025 2027 →

Fuel tank capacity

29.0–48.0gal · 110–182 L

The 2026 Ford F-450 Super Duty has a fuel tank capacity of 29.0 to 48.0 gallons (110–182 liters), depending on the trim. The most common size is 48.0 gallons, used on 8 trims.

48.0 gal · Bigger than 99% of 2026 models we list.

Fuel
Diesel fuel
Tank sizes
2
Trims
12

2026 Ford F-450 Super Duty fuel tank capacity by trim

What changes the tank sizeTap an option to filter the table

Drive
no difference
Cab

All 12 trims

TrimEngineDrive Tank
XL 2dr Regular Cab 4WD LB DRW 6.7L 8cyl Turbodiesel 10A · 4WD Diesel 6.7L 8cyl Turbodiesel 10A Diesel 4WD 29.0 gal110 L
XL 2dr Regular Cab LB DRW 6.7L 8cyl Turbodiesel 10A · RWD Diesel 6.7L 8cyl Turbodiesel 10A Diesel RWD 29.0 gal110 L
XLT 2dr Regular Cab 4WD LB DRW 6.7L 8cyl Turbodiesel 10A · 4WD Diesel 6.7L 8cyl Turbodiesel 10A Diesel 4WD 29.0 gal110 L
XLT 2dr Regular Cab LB DRW 6.7L 8cyl Turbodiesel 10A · RWD Diesel 6.7L 8cyl Turbodiesel 10A Diesel RWD 29.0 gal110 L
King Ranch 4dr Crew Cab 4WD LB DRW 6.7L 8cyl Turbodiesel 10A · 4WD Diesel 6.7L 8cyl Turbodiesel 10A Diesel 4WD 48.0 gal182 L
Lariat 4dr Crew Cab 4WD LB DRW 6.7L 8cyl Turbodiesel 10A · 4WD Diesel 6.7L 8cyl Turbodiesel 10A Diesel 4WD 48.0 gal182 L
Lariat 4dr Crew Cab LB DRW 6.7L 8cyl Turbodiesel 10A · RWD Diesel 6.7L 8cyl Turbodiesel 10A Diesel RWD 48.0 gal182 L
Platinum 4dr Crew Cab 4WD LB DRW 6.7L 8cyl Turbodiesel 10A · 4WD Diesel 6.7L 8cyl Turbodiesel 10A Diesel 4WD 48.0 gal182 L
XL 4dr Crew Cab 4WD LB DRW 6.7L 8cyl Turbodiesel 10A · 4WD Diesel 6.7L 8cyl Turbodiesel 10A Diesel 4WD 48.0 gal182 L
XL 4dr Crew Cab LB DRW 6.7L 8cyl Turbodiesel 10A · RWD Diesel 6.7L 8cyl Turbodiesel 10A Diesel RWD 48.0 gal182 L
XLT 4dr Crew Cab 4WD LB DRW 6.7L 8cyl Turbodiesel 10A · 4WD Diesel 6.7L 8cyl Turbodiesel 10A Diesel 4WD 48.0 gal182 L
XLT 4dr Crew Cab LB DRW 6.7L 8cyl Turbodiesel 10A · RWD Diesel 6.7L 8cyl Turbodiesel 10A Diesel RWD 48.0 gal182 L

Tank figures are the manufacturer's rated capacity, sorted smallest tank first. The EPA doesn't rate fuel economy for heavy-duty pickups and vans (over 8,500 lb gross vehicle weight), so these trims have no official MPG or range.

What it costs to fill up a 2026 Ford F-450 Super Duty

$304.80 to fill the 48.0-gallon tank from empty with diesel, at this week's US average of $6.35 a gallon.

TankFuelUS avg / galFrom emptyFrom 1/4 tank
29.0 galDiesel$6.35$184.15$138.11
48.0 galDiesel$6.35$304.80$228.60

By region, 48.0-gallon tank

RegionDiesel / galFill from empty
East Coast$6.08$291.84
Midwest$6.48$311.04
Gulf CoastLowest$5.95$285.60
Rocky Mountain$6.52$312.96
West Coast$7.33$351.84
CaliforniaHighest$8.15$391.20

Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.

Your own price

  • 29.0-gallon tank$184.15
  • 48.0-gallon tank$304.80

Starts at the US average for diesel; type in what your station charges. For other tank sizes, use the fill-up calculator.

F-450 Super Duty tank size in other years

The 2026 F-450 Super Duty uses the same 29.0–48.0 gal tank sizes as every F-450 Super Duty since 2019.

Model yearTankLongest highway range
2027 F-450 Super Duty 29.0–48.0 gal Not rated
2026 F-450 Super Duty 29.0–48.0 gal Not rated
2025 F-450 Super Duty 29.0–48.0 gal Not rated
2024 F-450 Super Duty 29.0–48.0 gal Not rated
2023 F-450 Super Duty 29.0–48.0 gal Not rated
2022 F-450 Super Duty 29.0–48.0 gal Not rated
2021 F-450 Super Duty 29.0–48.0 gal Not rated
Ford F-450 Super Duty fuel tank by model yearSmallest tank Larger tank options

2026 Ford F-450 Super Duty vs similar 2026 pickups

The F-450 Super Duty has the largest tank of the three 2026 pickups compared here, 48.0 gallons against 36.0 for the GMC Sierra 3500HD.

2026 modelTankLongest highway range
Ford F-450 Super Duty 29.0–48.0 gal Not rated
GMC Sierra 3500HD 36.0 gal Not rated
Chevrolet Silverado 3500HD 36.0 gal Not rated

Picked by body style and size: other 2026 pickups within about 5% of the F-450 Super Duty's length and 15% of its curb weight, one model per brand.

2026 Ford F-450 Super Duty fuel system recalls

None of the 5 recalls NHTSA lists for the 2026 Ford F-450 Super Duty involve the fuel system.

Check your VIN at NHTSA ↗ Look up your tank by VIN

2026 Ford F-450 Super Duty fuel pump and gauge parts

NHTSA lists no fuel-system recall for the 2026 Ford F-450 Super Duty, so a failed pump or gauge is a normal repair. These are the part numbers the makers list for it.

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Frequently asked questions

What is the fuel tank capacity of the 2026 Ford F-450 Super Duty?

The 2026 Ford F-450 Super Duty holds between 29.0 and 48.0 gallons, depending on the trim. 48.0 gallons is the usual size; the smaller 29.0-gallon tank is on the XL 2dr Regular Cab 4WD LB DRW.

How many gallons and liters does the 2026 Ford F-450 Super Duty gas tank hold?

The 2026 Ford F-450 Super Duty tank holds 110–182 liters, or 29.0–48.0 gallons in US gallons.

Which 2026 Ford F-450 Super Duty has the biggest gas tank?

The 48.0-gallon tank is on the King Ranch 4dr Crew Cab 4WD LB DRW, Lariat 4dr Crew Cab 4WD LB DRW, Lariat 4dr Crew Cab LB DRW and 5 other trims. The smallest tank, 29.0 gallons, is on the XL 2dr Regular Cab 4WD LB DRW.

Does 4WD change the 2026 Ford F-450 Super Duty gas tank?

No. 4WD and RWD versions of the 2026 Ford F-450 Super Duty use the same 29.0–48.0 gal tank.

What gas does the 2026 Ford F-450 Super Duty take?

Diesel fuel. The label inside the fuel door confirms it for your car.

How much does it cost to fill up a 2026 Ford F-450 Super Duty?

At the US average of $6.35 a gallon for diesel (EIA, week of October 26, 2026), filling the 48.0-gallon tank from empty costs $304.80. It ranges from $285.60 in the Gulf Coast to $391.20 in California.

How much does a full tank of gas weigh in a 2026 Ford F-450 Super Duty?

About 336 pounds for the 48.0-gallon tank. Diesel weighs roughly 7 pounds a gallon.

Does the 2026 Ford F-450 Super Duty have a bigger gas tank than the GMC Sierra 3500HD?

Yes. The 2026 Ford F-450 Super Duty holds up to 48.0 gallons; the 2026 GMC Sierra 3500HD holds up to 36.0.

Has the 2026 Ford F-450 Super Duty had a fuel pump or fuel system recall?

No. None of the 5 recalls NHTSA lists for the 2026 Ford F-450 Super Duty involve the fuel system.

Sources

  • Tank sizes: manufacturer-rated capacities from US-market specifications, cross-checked against a second spec database. Updated October 2026.
  • MPG and range: EPA ratings. Range is tank size times EPA MPG.
  • Fuel prices: U.S. Energy Information Administration, week of October 26, 2026.
  • Recalls: NHTSA recall database.

Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.

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