
The Ram ProMaster City is a popular vehicle with a dedicated community of enthusiasts. One common discussion topic is the size of the fuel tank, which is a standard 24 gallons, with some users reporting a maximum of 25.76 gallons. Some variants of the vehicle have larger tanks, with some users reporting tanks of 26, 28, and 31 gallons. The Ducato variant of the ProMaster offers 90 liters as standard, with 60 and 120 liters as options, the latter equating to 31.7 US gallons. The size of the fuel tank is an important consideration for owners, with some expressing a desire for a larger tank to increase the vehicle's range and reduce the frequency of refuelling stops.
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What You'll Learn

The Ram ProMaster City's fuel tank capacity is 16.1 gallons
The ProMaster City is a versatile and efficient vehicle, offering a range of features that make it a popular choice for those seeking a functional and reliable mode of transport. Its fuel tank capacity is an important consideration when thinking about its overall performance and suitability for various purposes.
With a 16.1-gallon fuel tank, the Ram ProMaster City provides a reasonable range for everyday use and longer journeys. While the exact range will depend on various factors, including driving conditions, style, and load, a tank of fuel will typically be sufficient for several hundred miles of travel.
The fuel tank capacity is an important specification to consider when choosing a vehicle, as it can impact the overall range and fuel efficiency. A larger fuel tank can provide a greater range between refuelling stops, which may be particularly beneficial for those who frequently undertake long-distance travel or operate in areas where refuelling stations are scarce.
However, it is worth noting that a larger fuel tank also adds weight to the vehicle, which can impact fuel efficiency and overall performance. As such, the Ram ProMaster City's fuel tank capacity strikes a balance between providing a reasonable range and maintaining the vehicle's overall efficiency and performance characteristics.
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The low fuel light comes on at approximately 6 gallons
The low fuel light on the Ram ProMaster City comes on when there are approximately 6 gallons of gas left in the tank. This is a standard feature designed to alert the driver that they are running low on fuel and should refuel soon. While the warning light provides a useful indication, some drivers prefer to calculate their fuel mileage and determine how many miles they "should have" left in the tank before refuelling.
The Ram ProMaster City's fuel tank capacity is 16.1 gallons, as per the specifications for the 2015 model. While the low fuel warning light comes on at around 6 gallons, some users have reported varying experiences. For instance, one user noted that they were able to add 24.41 gallons of fuel after the low fuel light came on, indicating that they were able to drive for about 30 miles before refuelling.
Another user shared that they were able to drive up to 80 miles after the low fuel light came on, primarily on the highway. This suggests that driving conditions and style can impact the vehicle's fuel efficiency and the number of miles one can drive after the low fuel warning light illuminates. It is important to note that continuing to drive with the low fuel light on is not recommended and can lead to issues with the evaporative emissions canister.
To avoid potential issues, some drivers opt to refuel early, ensuring they have a full tank. Others have shared tricks to add a small amount of extra fuel after the pump clicks off, allowing them to maximise their range. However, it is generally advised to refrain from topping off the tank completely to avoid potential damage to the evaporative emissions canister.
The Ram ProMaster City's fuel tank capacity and low fuel warning light are designed to provide a balance between maximising fuel efficiency and ensuring the vehicle has sufficient fuel. While the low fuel light comes on at approximately 6 gallons, drivers should be mindful of their fuel usage and refuel as needed to avoid running out of fuel or causing potential damage to the vehicle's systems.
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The tank can be filled to 25.76 gallons
The Ram ProMaster City's fuel tank can be filled to 25.76 gallons. This is based on a forum user's experience with the vehicle, who stated that the most they had "topped off" was 25.76 gallons. While the tank size is listed as 24 gallons, it is possible to add an additional 2.5 to 2.75 gallons after the pump clicks off. This is achieved by adding fuel very slowly and carefully to avoid any spills.
It is important to note that some users have mentioned potential issues with overfilling the tank. One user stated that topping off the tank can flood and damage the evaporative canister. This could result in fuel being drawn into the vacuum system. However, another user shared a trick to add extra fuel by holding the nozzle at 4 o'clock after the pump clicks off, allowing them to consistently add an additional 2+ gallons.
The Ram ProMaster City's fuel tank capacity falls within the range of fuel tank sizes offered in the ProMaster lineup. The Ducato data shows that the standard fuel tank capacity is 90 liters (approximately 23.8 US gallons), with options for 60 and 120 liters available. The larger 120-liter tank option provides 31.7 US gallons, which can be advantageous when towing or for motorhome applications.
While the Ram ProMaster City's fuel tank capacity of 25.76 gallons is on the lower end compared to other ProMaster models, it still offers a substantial fuel capacity. This information can be useful for prospective buyers or current owners looking to understand the vehicle's capabilities and fuel efficiency.
It is worth noting that fuel tank capacity can vary slightly between different production years of the Ram ProMaster City. For example, the 2015 model year of the Ram ProMaster City is listed with a fuel tank capacity of 16.1 gallons, which is significantly lower than the capacity of 25.76 gallons mentioned by forum users. Prospective buyers should consider the specific model year and official specifications when making their purchasing decisions.
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Some users want a larger tank for longer trips
Some users have expressed a desire for a larger fuel tank in the Ram ProMaster to accommodate longer trips without needing to refuel. The standard fuel tank capacity for the Ram ProMaster is 24 gallons, although some users have reported being able to fit up to 25.76 gallons by adding an extra 2.5-2.75 gallons after the pump clicks off.
The Ducato data shows that there are larger fuel tank options available, with 60 and 120 litres listed as alternatives to the standard 90 litres. At 31.7 US gallons, the 120-litre tank could provide a significant increase in range for those undertaking long-distance journeys or towing applications. However, it appears that these larger tank options may not be available in the US gasoline ProMaster models.
Some users have shared their experiences with the current tank size, noting that they have to plan fuel stops for longer trips and expressing a desire for a larger tank to extend the vehicle's range. One user mentions that their previous vehicle, a Subaru, had a 600+ mile range, which they miss in the ProMaster.
While there are no factory options for a larger fuel tank, some users have discussed the possibility of finding a long, skinny tank from another vehicle that would fit between the frame cross members of the ProMaster. This creative solution could potentially increase the fuel capacity and reduce the frequency of refuelling stops.
Overall, it is clear that some users of the Ram ProMaster would prefer a larger fuel tank to reduce the need for frequent refuelling during extended trips. While there are no standard options for a larger tank, creative workarounds and potential aftermarket solutions are being explored by the ProMaster community.
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The Ducato model offers a 120-liter tank option
The Ram ProMaster is a popular vehicle, and many owners are interested in increasing its fuel tank capacity. The standard fuel tank size for the Ducato model is 90 litres, but some configurations list the larger 120-litre tank as standard. This is equivalent to 31.7 US gallons and could be very useful when towing or for motorhome applications.
The 120-litre tank option is available as an add-on to the Fiat Ducato chassis, although it is a separate option and not available on all variants. It can be purchased as a new factory original fuel tank for the Fiat Ducato on eBay, with free shipping offered by some sellers.
The larger tank could be particularly useful for those who use their ProMaster for long-distance travel or towing, as it would increase the vehicle's range. This is especially true when compared to the smaller 60-litre tank option, which some owners may choose to keep the vehicle's weight as low as possible.
However, it's important to note that installing a larger fuel tank may require modifications to the vehicle. For example, the Tankanzeige may need to be adjusted by reprogramming the central Bordcomputer. Additionally, the larger tank may not be compatible with all engine configurations due to the space occupied by the DEF tank or the vapor canister.
Overall, the Ducato model's 120-litre tank option offers increased fuel capacity that could be beneficial for specific use cases.
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Frequently asked questions
The fuel tank capacity of the Ram ProMaster City is 16.1 gallons.
Yes, there are bigger fuel tank options available for the Ram ProMaster. The standard option is 90 liters, but there are also 60-liter and 120-liter variants. The 120-liter option is offered as standard in some configurations and provides 31.7 US gallons.
The 2015 Ram ProMaster has a fuel tank capacity of 24 gallons. However, some users have reported being able to fill it up to 25.76 gallons.
The low fuel light comes on when there are approximately 6 gallons of gas left in the tank. However, some users have reported discrepancies in this estimate, with the actual remaining fuel being higher or lower than indicated.






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