How big is the gas tank on a Ram 1500 5.7 Hemi?
The Ram 1500 with the 5.7-liter Hemi typically uses a 26-gallon fuel tank, though some configurations offer a larger 33-gallon tank depending on year, cab style, and bed length.
This article explains the standard capacity, notes about optional larger tanks, and how capacity can vary by model year and configuration. It aims to help buyers and owners understand what to expect for the 5.7 Hemi Ram 1500 across common setups, while highlighting the importance of checking the specific vehicle’s build sheet.
Standard capacity across common configurations
Here is the baseline information for the majority of Ram 1500 models equipped with the 5.7 Hemi.
- 26 gallons (approximately 99 liters) is the typical fuel-tank size for most 5.7 Hemi Ram 1500 configurations in common cab/bed setups.
In practice, this standard capacity is what most owners experience in everyday driving, though exceptions exist by year and build.
Optional larger tank and configuration notes
Some model-year configurations offer a larger tank to extend range, but availability is not universal across all trims or body styles.
- 33 gallons (approximately 125 liters) is an optional larger tank size that appears on select Ram 1500 5.7 Hemi configurations. Availability depends on the year, cab/bed combination, and option packages.
Because the 33-gallon option is not standard, you should verify the exact capacity for your specific vehicle using the window sticker, the owner's manual, or the official Ram/spec sheet for that year and configuration.
How to verify for your vehicle
To confirm the fuel-tank capacity for a given Ram 1500 5.7 Hemi, check the following, which reflect the vehicle’s exact build rather than a generic figure:
- Door jamb or glovebox window sticker that lists fuel tank capacity.
- Owner’s manual specifications for fuel capacity.
- VIN-based build sheet or the official Ram/ Stellantis spec pages for the specific model year and configuration.
If you are shopping used, ask the dealer for the exact tank size listed for that vehicle’s VIN and confirm with documentation before purchase.
Summary
For most Ram 1500 models with the 5.7 Hemi, the standard fuel tank is 26 gallons. An optional larger 33-gallon tank exists on certain configurations, but it is not universal. Always verify the exact capacity for your specific truck by consulting the window sticker, owner's manual, or the official build sheet for that year and configuration.
How much gas does a Ram 1500 Hemi hold?
Depending on configuration, the 2023 Ram 1500 achieves up to 570 miles on a full tank. Most trims with the 26-gallon tank offer 19 mpg city and 24 mpg highway. The TRX model, with its 33-gallon tank, can exceed 460 miles per tank.
What years to avoid for the 5.7 Hemi Ram 1500?
5 RAM 1500 Years To Avoid
If you're looking for reliable trucks, steer clear of the 2003 Dodge RAM 1500, as well as the 2014, 2015, 2016, and 2019 RAM 1500. These models are plagued by problems in critical components, like engines, steering, braking, airbags, electrical systems, and fuel systems.
How big is the gas tank on a Dodge Ram 1500 5.7 Hemi?
26.0 gal
494.0/624.0 mi. 26.0 gal.
How many miles per gallon does a 5.7 L Ram 1500 get?
5.7L HEMI V8 Engine. Fuel Efficiency (4X2): 15 mpg city/22 mpg highway.
