What is the fuel capacity of a 2014 Dodge Ram 2500 diesel?
The 2014 Dodge Ram 2500 with the 6.7-liter Cummins turbo-diesel uses a 31-gallon fuel tank (about 117 liters). This article confirms that standard capacity and explains how it applies across common configurations.
Overview of the Ram 2500 diesel fuel capacity
The official specification for the 2014 Ram 2500 diesel lists a single fuel-tank capacity of 31 gallons for the diesel engine variant. This figure refers to the primary tank used for diesel fuel in typical pickups and does not include separate reservoirs such as DEF or auxiliary tanks, which are not part of the fuel capacity figure.
Standard capacity and configuration considerations
In standard production, the Ram 2500 diesel is equipped with a 31-gallon tank across common cab and bed combinations. While special orders or regional variations sometimes appear in the field, Ram's published specs for the 2014 model year designate 31 gallons as the official capacity for the diesel variant.
What to verify on your vehicle
For buyers, owners, and restorers, confirm the exact fuel-tank capacity on the vehicle's door jamb sticker or the owner's manual, especially if the truck has an unusual bed length, cab configuration, or aftermarket fuel-tank modifications.
Summary
In short, the fuel capacity of a 2014 Dodge Ram 2500 diesel is 31 gallons (approximately 117 liters). This figure reflects the standard diesel-tank capacity listed by Ram for the 2014 model year; check your specific VIN documentation for any exceptions.
