Fuel tank capacity
18.2gal · 69 L
The 1990 Ford F-150 has a fuel tank capacity of 18.2 gallons (69 liters) on every trim.
A full tank is good for roughly 309–328 highway miles or 255–273 miles around town, going by the EPA ratings.
18.2 gal · Bigger than 52% of 1990 models we list.
What changes the tank sizeTap an option to filter the table
All 26 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 2dr Extended Cab 4WD LB 4.9L 6cyl 4M · 4WD MPG 14 / 17Range 255 / 309 mi | 4.9L 6cyl 4M | 4WD | 18.2 gal69 L | 14 / 17 | 255 / 309 mi | |
| 2dr Extended Cab 4WD SB 4.9L 6cyl 4M · 4WD MPG 14 / 17Range 255 / 309 mi | 4.9L 6cyl 4M | 4WD | 18.2 gal69 L | 14 / 17 | 255 / 309 mi | |
| 2dr Extended Cab LB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| 2dr Extended Cab SB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| 2dr Regular Cab 4WD LB 4.9L 6cyl 4M · 4WD MPG 14 / 17Range 255 / 309 mi | 4.9L 6cyl 4M | 4WD | 18.2 gal69 L | 14 / 17 | 255 / 309 mi | |
| 2dr Regular Cab 4WD SB 4.9L 6cyl 4M · 4WD MPG 14 / 17Range 255 / 309 mi | 4.9L 6cyl 4M | 4WD | 18.2 gal69 L | 14 / 17 | 255 / 309 mi | |
| 2dr Regular Cab LB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| 2dr Regular Cab SB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| S 2dr Regular Cab LB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| S 2dr Regular Cab SB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| XL 2dr Extended Cab 4WD LB 4.9L 6cyl 4M · 4WD MPG 14 / 17Range 255 / 309 mi | 4.9L 6cyl 4M | 4WD | 18.2 gal69 L | 14 / 17 | 255 / 309 mi | |
| XL 2dr Extended Cab 4WD SB 4.9L 6cyl 4M · 4WD MPG 14 / 17Range 255 / 309 mi | 4.9L 6cyl 4M | 4WD | 18.2 gal69 L | 14 / 17 | 255 / 309 mi | |
| XL 2dr Extended Cab LB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| XL 2dr Extended Cab SB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| XL 2dr Regular Cab 4WD LB 4.9L 6cyl 4M · 4WD MPG 14 / 17Range 255 / 309 mi | 4.9L 6cyl 4M | 4WD | 18.2 gal69 L | 14 / 17 | 255 / 309 mi | |
| XL 2dr Regular Cab 4WD SB 4.9L 6cyl 4M · 4WD MPG 14 / 17Range 255 / 309 mi | 4.9L 6cyl 4M | 4WD | 18.2 gal69 L | 14 / 17 | 255 / 309 mi | |
| XL 2dr Regular Cab LB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| XL 2dr Regular Cab SB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| XLT Lariat 2dr Extended Cab 4WD LB 4.9L 6cyl 4M · 4WD MPG 14 / 17Range 255 / 309 mi | 4.9L 6cyl 4M | 4WD | 18.2 gal69 L | 14 / 17 | 255 / 309 mi | |
| XLT Lariat 2dr Extended Cab 4WD SB 4.9L 6cyl 4M · 4WD MPG 14 / 17Range 255 / 309 mi | 4.9L 6cyl 4M | 4WD | 18.2 gal69 L | 14 / 17 | 255 / 309 mi | |
| XLT Lariat 2dr Extended Cab LB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| XLT Lariat 2dr Extended Cab SB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| XLT Lariat 2dr Regular Cab 4WD LB 4.9L 6cyl 4M · 4WD MPG 14 / 17Range 255 / 309 mi | 4.9L 6cyl 4M | 4WD | 18.2 gal69 L | 14 / 17 | 255 / 309 mi | |
| XLT Lariat 2dr Regular Cab 4WD SB 4.9L 6cyl 4M · 4WD MPG 14 / 17Range 255 / 309 mi | 4.9L 6cyl 4M | 4WD | 18.2 gal69 L | 14 / 17 | 255 / 309 mi | |
| XLT Lariat 2dr Regular Cab LB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| XLT Lariat 2dr Regular Cab SB 4.9L 6cyl 4M · RWD MPG 15 / 18Range 273 / 328 mi | 4.9L 6cyl 4M | RWD | 18.2 gal69 L | 15 / 18 | 273 / 328 mi | |
| No trim matches all of these filters. | ||||||
Tank figures are the manufacturer's rated capacity, sorted smallest tank first. Range is tank size times EPA city or highway MPG.
Gallons left and the distance they cover at each mark on the fuel gauge, at EPA city and highway mileage. At the combined rating of 16 MPG, a full 18.2-gallon tank covers about 291 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 18.2 | 328 | 273 |
| 3/4 | 13.7 | 246 | 205 |
| 1/2 | 9.1 | 164 | 137 |
| 1/4 | 4.6 | 82 | 68 |
| 1/8 | 2.3 | 41 | 34 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 938 gallons, roughly 52 full tanks.
Fuel gauges aren't perfectly linear and the low-fuel light comes on with a few gallons still in the tank, so plan your stop before the last eighth.
$77.71 to fill the 18.2-gallon tank from empty with regular, at this week's US average of $4.27 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 18.2 gal | Regular | $4.27 | $77.71 | $58.29 |
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $73.16 |
| Midwest | $4.27 | $77.71 |
| Gulf CoastLowest | $3.70 | $67.34 |
| Rocky Mountain | $4.46 | $81.17 |
| West Coast | $5.42 | $98.64 |
| CaliforniaHighest | $5.89 | $107.20 |
Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
1990 is the first F-150 model year we list.
| Model year | Tank | Longest highway range |
|---|---|---|
| 1995 F-150 | 18.2–37.2 gal | 670 mi |
| 1994 F-150 | 18.2–19.0 gal | 342 mi |
| 1993 F-150 | 18.2 gal | 328 mi |
| 1992 F-150 | 18.2–19.0 gal | 323 mi |
| 1991 F-150 | 34.7–37.2 gal | 707 mi |
| 1990 F-150 | 18.2 gal | 328 mi |
NHTSA lists 2 fuel-system recalls for the 1990 Ford F-150, out of 4 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
A malfunctioning check valve within the fuel pump assembly causes a portion of the unused fuel from one tank to be returned to the second tank. When this occurs, the capacity of the second tank can be exceeded, causing fuel spillage.
Risk: Spilled fuel can result in a fire when exposed to asource of ignition.
Remedy: Replacement of the fuel pressure regulator and installation of redundant check valves.
Incorrectly installed fuel line connectors have fuel supply and return lines crossed.
Risk: Fuel could be transferred from one tank to the other,possibly resulting in fuel overflow and spillage, in presence of an ignitionsource, a fire could occur.
Remedy: Replace fuel line assembly.
The 1990 Ford F-150 holds 18.2 gallons (69 liters) on every trim we list.
The 1990 Ford F-150 tank holds 69 liters, or 18.2 gallons in US gallons.
No. RWD and 4WD versions of the 1990 Ford F-150 use the same 18.2 gal tank.
About 309–328 miles on the highway and 255–273 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.
About 82 highway miles or 68 in town from the 18.2-gallon tank, which has roughly 4.6 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
Regular unleaded. The label inside the fuel door confirms it for your car.
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 18.2-gallon tank from empty costs $77.71. It ranges from $67.34 in the Gulf Coast to $107.20 in California.
About 113 pounds for the 18.2-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Yes. NHTSA lists 2 fuel-system recalls for the 1990 Ford F-150: 93V125000 (storage · tank assembly); 89V141000 (storage · auxillary tank · selector devices). Check your VIN at nhtsa.gov/recalls to see if your car is affected.
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.