
Ford F-150 owners and enthusiasts have expressed concerns about the fuel tank size of their vehicles, with some experiencing discrepancies between the published tank size and the actual fuel capacity. This has led to discussions around upgrading to larger fuel tanks, especially for the 2021 F-150 model. Some owners have considered aftermarket solutions, while others have inquired about the possibility of switching out the smaller tanks for larger ones. This topic has sparked conversations around fuel efficiency, driving range, and the accuracy of fuel gauge readings in the Ford F-150.
| Characteristics | Values |
|---|---|
| Fuel tank size | 23 gallons, 36 gallons, 45 gallons |
| Fuel tank size for 2023 model | 26 gallons |
| Fuel tank size for 2017 model | 23 gallons, 36 gallons |
| Fuel tank size for Powerboost model | 30.6 gallons |
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What You'll Learn

The 2023 Ford F-150 has a 26-gallon gas tank
The 2021 Ford F-150, for instance, offered a 30-gallon tank, and some models even had a 36-gallon tank. However, it appears that the 2023 model has a smaller standard tank size, which may be a disappointment to some customers.
Some Ford F-150 owners have expressed frustration with the fuel tank size, particularly those who have previously owned models with larger tanks. They feel that a smaller tank means more frequent refuelling, which can be inconvenient, especially for those who use their trucks for long-distance travel or towing.
There are also reports of discrepancies between the advertised fuel tank size and the actual fuel capacity. Some owners of the 2023 XLT 36-gallon model have reported that their tanks only hold around 30 gallons of gas before clicking off as full. This suggests that there may be a safety buffer built into the tank, which could account for the difference in capacity.
It is worth noting that Ford offers different engine configurations for the F-150, which can affect fuel efficiency and driving range. The 2023 model's engine specs include a 2.7-liter ECOBOOST V6, a 3.5-liter PowerBoost Hybrid V6, and a 5-liter V8 engine, among others. These engine options can impact the overall performance and fuel economy of the vehicle, which may be a consideration for those concerned about the smaller tank size.
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The 2017 F-150 offers 23 or 36-gallon gas tank options
The 2017 Ford F-150 offers two gas tank options: a 23-gallon tank and a 36-gallon tank. This means that the gas tank size varies depending on the specific F-150 model you own.
Some users have reported discrepancies between the published fuel tank size and the actual quantity of fuel that can be poured into the vehicle. For instance, one user with a 2017 F-150 reported that their tank only took 24 gallons of fuel when filled from empty, despite the specification indicating a 36-gallon tank. Another user with a 2017 F-150 and a 23-gallon tank filled up their tank with 27 gallons of fuel when it was a quarter full.
It's important to note that fuel pump sensitivity can vary across different gas stations, which may contribute to the perceived discrepancies in tank size. Additionally, Ford has implemented a software change that leaves a larger reserve, allowing you to drive past 0 miles to empty without issues, as long as you avoid parking on hills.
If you're considering upgrading your 2017 F-150's fuel tank, it is possible to perform a conversion from a 23-gallon tank to a 36-gallon tank. This process involves locating a larger tank from a salvage yard, purchasing a new fuel pump and gasket, and carefully transferring the fuel lines and electrical connections to the new tank. However, it is important to exercise caution and have an extra set of hands during the process.
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The 2021 F-150 has a 30-gallon gas tank option
The 2021 F-150 has a variety of gas tank options, including a 30-gallon tank. This is the extended-range gas tank option for the PowerBoost hybrid engine and battery setup. The PowerBoost engine is exclusive, as the standard ICE F150 fuel tanks cannot fit in the engine bay.
The 30-gallon tank is a standard option for the PowerBoost engine, and it provides a good balance between fuel capacity and range. Some F-150 owners have reported that their trucks came with a 36-gallon tank, which is larger than the standard 23 or 26-gallon options for the non-hybrid F-150s. However, the 36-gallon tank has a 5-gallon reserve, so you're unlikely to get more than 30-31 gallons in the tank.
The 2021 F-150 with the 30-gallon tank offers a good balance of fuel capacity and efficiency, and it's a popular choice for those who want the benefits of the PowerBoost engine without compromising on fuel range.
While some F-150 owners have considered upgrading to larger, aftermarket fuel tanks, such as a 45-gallon option, this isn't necessary for most users. The 30-gallon tank provides a good range, and the hybrid system further extends the distance you can travel between fill-ups.
In conclusion, the 2021 F-150's 30-gallon gas tank option is a practical choice for those seeking the advantages of the PowerBoost engine without sacrificing fuel capacity. It strikes a good balance between fuel efficiency and range, making it a popular option for F-150 owners.
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The 2022 F-150 PowerBoost has a 30.6-gallon gas tank
The 2024 PowerBoost is also stated to have a 30-gallon tank, though there is some discrepancy in sources, with some stating the tank capacity to be 30.6 gallons. This is because the High-Voltage Battery enclosure is mounted under the truck, in a location that is incompatible with the 23 or 36-gallon F150 fuel tanks.
Some PowerBoost owners have expressed disappointment with the smaller tank, especially when towing, as it requires more frequent refuelling. However, others have noted that the range of the truck is similar to that of other models with larger tanks, and the PowerBoost's fuel efficiency is improved.
It is worth noting that there have been discussions about the possibility of upgrading to a larger fuel tank on the F-150 PowerBoost. Some owners have considered aftermarket options, such as transferflow's 45-gallon F150 tank, but it is important to consider the available space and potential constraints with the battery placement.
While the 2022 F-150 PowerBoost has a smaller fuel tank compared to other F-150 models, it is designed to accommodate the hybrid system components and optimize fuel efficiency.
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The 2022 F-150 Tremor has a 36-gallon gas tank
Some owners have reported that they cannot fit the full 36 gallons of fuel into the tank, with the fuel gauge reading empty before the tank is actually full. This is likely due to a safety buffer built into the fuel gauge, as well as the design of the fuel pickup, which can struggle to get fuel when the tank is nearly empty and the truck is parked on an incline.
Owners have also noted that the published fuel tank size may not always match the actual fuel capacity of the vehicle, and that fuel pumps at different stations may have varying sensitivities for shut-off, affecting how much fuel can be added.
The 36-gallon tank is a significant feature for the F-150 Tremor, providing increased range and reducing the need for frequent refuelling. While there may be some variation in the exact fuel capacity, the larger tank is a notable upgrade for the 2022 model.
The F-150 Tremor's 36-gallon gas tank offers improved fuel capacity, and while there may be minor discrepancies in the actual amount of fuel that can be added, it still provides a substantial increase in range compared to the previous 23-gallon tank.
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Frequently asked questions
The Ford F-150 comes with a standard 23-gallon fuel tank, with an optional upgrade to a 36-gallon tank. However, the larger tank may not always be available for certain models or configurations, such as the Powerboost, which has a standard 30.6-gallon tank to accommodate the lithium battery.
If you are looking for a larger fuel tank for your Ford F-150, you may be able to find aftermarket options, such as Transferflow's 45-gallon fuel tank for the 2015-2020 models.
While some owners have reported successfully filling their tanks past the "miles to empty" reading, this is not recommended as it may cause issues with the fuel pickup, especially when parked on an incline.
The 36-gallon fuel tank in the Ford F-150 has a 5-gallon reserve, so you will likely only be able to fit around 30-31 gallons before the "miles to empty" reading reaches zero. This is a safety buffer built into the system.





















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