The 2021 Ford F-150 has a fuel tank capacity of 23.0 to 36.0 gallons (87–136 liters), depending on the trim. The most common size is 26.0 gallons, used on 23 trims.
A full tank is good for roughly 506–676 highway miles or 368–540 miles around town, going by the EPA ratings.
020 gal40 gal
36.0 gal · Bigger than 97% of 2021 models we list.
Tank figures are the manufacturer's rated capacity, sorted smallest tank first. Range is tank size times EPA city or highway MPG.
How far a 2021 Ford F-150 goes on a tank
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 19 MPG, a full 26.0-gallon tank covers about 494 miles.
Gauge
Gallons
Highway miles
City miles
Full
26.0
572
416
3/4
19.5
429
312
1/2
13.0
286
208
1/4
6.5
143
104
1/8
3.3
72
52
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 789 gallons, roughly 30 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.
Picked by body style and size: other 2021 pickups within about 5% of the F-150's length and 15% of its curb weight, one model per brand.
2021 Ford F-150 fuel system recalls
NHTSA lists 2 fuel-system recalls for the 2021 Ford F-150, out of 29 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
Delivery · Fuel pumpJul 7, 2025 · NHTSA 25V455000 · Ford Motor Company · 850,318 vehicles
Ford Motor Company (Ford) is recalling certain 2021-2023 Bronco, Explorer, Lincoln Aviator, F-250 SD, F-350 SD, F-450 SD, F-550 SD, 2021-2022 Lincoln Navigator, Mustang, F-150, and 2022 Expedition vehicles. The low-pressure fuel pump may fail, which can result in an engine stall while driving.
Risk and remedy
Risk: An engine stall increases the risk of a crash.
Remedy: Dealers will replace the low pressure fuel pump on super duty vehicles and update the powertrain control module (PCM) software on all other affected vehicles, free of charge. Owner notification letters were mailed July 27, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S75.
StorageJun 10, 2022 · NHTSA 22V414000 · Ford Motor Company · 1 vehicles
Ford Motor Company (Ford) is recalling one 2021 F-150 vehicle. A single vehicle may have been assembled without a fuel tank front attachment resulting in an unsecured fuel tank attachment strap.
Risk and remedy
Risk: An improperly attached fuel tank increases the risk of a fuel leak and potential for fire.
Remedy: Dealers will inspect and repair (if necessary) the fuel tank strap bracket, free of charge. Owner notification letters were mailed July 1, 2022. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 22S42.
What is the fuel tank capacity of the 2021 Ford F-150?
The 2021 Ford F-150 holds between 23.0 and 36.0 gallons, depending on the trim. 26.0 gallons is the usual size; the 36.0-gallon tank comes on the Raptor 4dr SuperCrew 4WD SB (3.5L 6cyl Turbo 10A).
How many gallons and liters does the 2021 Ford F-150 gas tank hold?
The 2021 Ford F-150 tank holds 87–136 liters, or 23.0–36.0 gallons in US gallons.
Which 2021 Ford F-150 has the biggest gas tank?
The 36.0-gallon tank is on the Raptor 4dr SuperCrew 4WD SB. The smallest tank, 23.0 gallons, is on the Lariat 4dr SuperCab 4WD 6.5 ft. SB.
Does the 2021 Ford F-150 tank change with the powertrain?
About 506–676 miles on the highway and 368–540 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.
How many miles can a 2021 Ford F-150 go on a quarter tank?
About 143 highway miles or 104 in town from the 26.0-gallon tank, which has roughly 6.5 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2021 Ford F-150 take?
Flex-fuel (unleaded/E85), or Regular unleaded, depending on the engine. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2021 Ford F-150?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 26.0-gallon tank from empty costs $111.02. It ranges from $96.20 in the Gulf Coast to $153.14 in California.
How much does a full tank of gas weigh in a 2021 Ford F-150?
About 223 pounds for the 36.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2021 Ford F-150 have a bigger gas tank than the GMC Sierra 1500?
Yes. The 2021 Ford F-150 holds up to 36.0 gallons; the 2021 GMC Sierra 1500 holds up to 28.0.
Has the 2021 Ford F-150 had a fuel pump or fuel system recall?
Yes. NHTSA lists 2 fuel-system recalls for the 2021 Ford F-150: 25V455000 (delivery · fuel pump); 22V414000 (storage). Check your VIN at nhtsa.gov/recalls to see if your car is affected.
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 (fueleconomy.gov). Range is tank size times EPA MPG.