2018 Ford F-450 Super Duty Gas Tank Size & Fuel Capacity
Fuel tank capacity
48.0gal · 182 L
The 2018 Ford F-450 Super Duty has a fuel tank capacity of 48.0 gallons (182 liters) on every trim.
48.0 gal · Bigger than 99% of 2018 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- More range
- Fill-up cost
- Other years
- Fuel recalls
- Pump & gauge parts
- FAQ
2018 Ford F-450 Super Duty fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
All 11 trims
| Trim | Engine | Drive | Tank | |||
|---|---|---|---|---|---|---|
| King Ranch 4dr Crew Cab 4WD DRW 6.7L 8cyl Turbodiesel 6A · 4WD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | 4WD | 48.0 gal182 L | |||
| King Ranch 4dr Crew Cab DRW 6.7L 8cyl Turbodiesel 6A · RWD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | RWD | 48.0 gal182 L | |||
| Lariat 4dr Crew Cab 4WD DRW 6.7L 8cyl Turbodiesel 6A · 4WD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | 4WD | 48.0 gal182 L | |||
| Lariat 4dr Crew Cab DRW 6.7L 8cyl Turbodiesel 6A · RWD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | RWD | 48.0 gal182 L | |||
| Limited 4dr Crew Cab 4WD DRW 6.7L 8cyl Turbodiesel 6A · 4WD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | 4WD | 48.0 gal182 L | |||
| Platinum 4dr Crew Cab 4WD DRW 6.7L 8cyl Turbodiesel 6A · 4WD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | 4WD | 48.0 gal182 L | |||
| Platinum 4dr Crew Cab DRW 6.7L 8cyl Turbodiesel 6A · RWD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | RWD | 48.0 gal182 L | |||
| XL 4dr Crew Cab 4WD DRW 6.7L 8cyl Turbodiesel 6A · 4WD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | 4WD | 48.0 gal182 L | |||
| XL 4dr Crew Cab DRW 6.7L 8cyl Turbodiesel 6A · RWD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | RWD | 48.0 gal182 L | |||
| XLT 4dr Crew Cab 4WD DRW 6.7L 8cyl Turbodiesel 6A · 4WD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | 4WD | 48.0 gal182 L | |||
| XLT 4dr Crew Cab DRW 6.7L 8cyl Turbodiesel 6A · RWD Diesel | 6.7L 8cyl Turbodiesel 6A Diesel | RWD | 48.0 gal182 L | |||
| No trim matches all of these filters. | ||||||
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 2018 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.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 48.0 gal | Diesel | $6.35 | $304.80 | $228.60 |
By region, 48.0-gallon tank
| Region | Diesel / gal | Fill 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
- 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 2018 F-450 Super Duty uses the same 48.0 gal tank as the 2017 model.
| Model year | Tank | Longest highway range |
|---|---|---|
| 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 |
| 2020 F-450 Super Duty | 29.0–48.0 gal | Not rated |
| 2019 F-450 Super Duty | 29.0–48.0 gal | Not rated |
| 2018 F-450 Super Duty | 48.0 gal | Not rated |
| 2017 F-450 Super Duty | 48.0 gal | Not rated |
| 2016 F-450 Super Duty | 37.5 gal | Not rated |
| 2015 F-450 Super Duty | 37.5 gal | Not rated |
| 2014 F-450 Super Duty | 37.5 gal | Not rated |
| 2013 F-450 Super Duty | 37.5 gal | Not rated |
2018 Ford F-450 Super Duty fuel system recalls
None of the 7 recalls NHTSA lists for the 2018 Ford F-450 Super Duty involve the fuel system.
2018 Ford F-450 Super Duty fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2018 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.
As an Amazon Associate we earn from qualifying purchases.
Frequently asked questions
What is the fuel tank capacity of the 2018 Ford F-450 Super Duty?
The 2018 Ford F-450 Super Duty holds 48.0 gallons (182 liters) on every trim we list.
How many gallons and liters does the 2018 Ford F-450 Super Duty gas tank hold?
The 2018 Ford F-450 Super Duty tank holds 182 liters, or 48.0 gallons in US gallons.
Does 4WD change the 2018 Ford F-450 Super Duty gas tank?
No. 4WD and RWD versions of the 2018 Ford F-450 Super Duty use the same 48.0 gal tank.
What gas does the 2018 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 2018 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 2018 Ford F-450 Super Duty?
About 336 pounds for the 48.0-gallon tank. Diesel weighs roughly 7 pounds a gallon.
Has the 2018 Ford F-450 Super Duty had a fuel pump or fuel system recall?
No. None of the 7 recalls NHTSA lists for the 2018 Ford F-450 Super Duty involve the fuel system.
Sources
- Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. 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 (this week's prices).
- Recalls: NHTSA recall database (Ford fuel system recalls).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.