How big is the gas tank on a 2015 Ram ProMaster 1500?
The 2015 Ram ProMaster 1500 uses a 24-gallon gasoline fuel tank (approximately 90.8 liters).
This article outlines the exact tank size, what it means for driving range, and how to verify the specification when shopping for a used ProMaster 1500 or planning fleet operations. It covers what you can expect across the model year’s standard configurations.
Tank capacity by model and engine
For the 2015 ProMaster 1500, the official specification lists a 24-gallon fuel tank for the gasoline-powered model. The tank size is generally consistent across the 1500 cargo van lineup, including different roof heights and wheelbases, though small variations can occur due to manufacturing tolerances or verification methods.
Implications for range and refueling planning
A 24-gallon tank provides a solid operating window for a cargo van, but actual range depends on engine choice, payload, driving conditions, and speed. Fleets typically plan refueling stops around fuel economy under varying loads, with highway conditions offering the best potential range.
Where to verify specifications
Authoritative sources for this spec include Ram’s official brochures and the 2015 ProMaster 1500 owner’s manual. For second-hand vehicles, you can verify tank size on the label in the door jamb, by checking the on-board fuel economy readout, or by consulting the VIN/build sheet with a Ram dealership or service manual.
Summary
The 2015 Ram ProMaster 1500 comes equipped with a 24-gallon (about 91 liters) gasoline fuel tank. This standard capacity informs practical range and refueling planning for owners and fleets, with real-world range influenced by payload, driving style, and operating conditions. Always confirm the exact spec on the vehicle’s documentation or through an authorized Ram source when precision is required.
