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What is the fuel economy of the 6.4 Hemi Power Wagon?


The 6.4 Hemi Power Wagon is a powerful off-road truck designed for rugged terrain and heavy-duty tasks. While it excels in performance and capability, fuel economy is often a concern for potential buyers and owners. In this article, we’ll explore the fuel efficiency of this beast and what you can expect when driving it.


Understanding the 6.4 Hemi Power Wagon


The 6.4 Hemi Power Wagon is equipped with a 6.4-liter V8 engine, delivering impressive horsepower and torque. This engine is designed for towing, hauling, and off-road adventures, making it a favorite among truck enthusiasts. However, its focus on power and performance comes at the cost of fuel efficiency.


Fuel Economy Ratings


Official fuel economy ratings for the 6.4 Hemi Power Wagon are not always published due to its classification as a heavy-duty truck. However, based on real-world data and owner reports, the average fuel economy is approximately:



  • City Driving: 9-12 miles per gallon (MPG)

  • Highway Driving: 12-15 MPG

  • Combined Average: Around 11-13 MPG


These numbers can vary depending on factors such as driving habits, terrain, and whether the truck is loaded or towing.


Factors Affecting Fuel Economy


Several factors influence the fuel economy of the 6.4 Hemi Power Wagon:



  • Weight: The Power Wagon is a heavy-duty truck, and its weight significantly impacts fuel efficiency.

  • Aerodynamics: Its boxy design and off-road features, such as large tires and a lifted suspension, create more drag, reducing MPG.

  • Driving Conditions: Off-road driving, towing, and stop-and-go city traffic can lower fuel economy.

  • Engine Performance: The 6.4 Hemi engine prioritizes power over efficiency, which is reflected in its fuel consumption.


Tips to Improve Fuel Economy


While the 6.4 Hemi Power Wagon is not known for its fuel efficiency, there are steps you can take to maximize MPG:



  • Maintain proper tire pressure to reduce rolling resistance.

  • Use cruise control on highways to maintain a consistent speed.

  • Avoid aggressive acceleration and braking.

  • Reduce unnecessary weight by removing heavy items from the truck bed.

  • Keep up with regular maintenance, such as oil changes and air filter replacements.


Conclusion


The 6.4 Hemi Power Wagon is a powerhouse built for performance, not fuel efficiency. While its fuel economy may not be its strongest suit, it offers unparalleled capability for off-road adventures and heavy-duty tasks. By understanding its fuel consumption and adopting fuel-saving practices, you can make the most of this rugged truck.


Frequently Asked Questions

What is so special about the RAM Power Wagon?


The Power Wagon comes standard with electronic locking differentials on the front and rear axles, so it's built to help you keep the truck moving even in the harshest terrain. Also, this sturdy Ram comes standard with four-wheel drive, improving traction on unpaved surfaces.



What is the life expectancy of a 6.4 Hemi engine?


I've came from GM and generally 250k is a solid life expectancy from a well maintained examples but I can't deny the 6.4 is extremely popular in my area (alot of miners buying them up).



How many miles per gallon does a Ram 2500 Power Wagon get?


21 city MPG, 29 highway MPG.



Does the 6.4 Hemi require premium gas?


Like the 6.1L HEMI engine, the newer 6.4L/392 HEMI engine requires premium fuel for best performance.



How long will Ram 2500 gas engine last?


A well-maintained RAM truck can last 200,000 to 300,000 miles, and in many cases, even more. That's about 13 to 20 years of service for the average driver covering 15,000 miles per year. Some owners have even reported their RAM trucks running strong at 400,000+ miles with proper care and maintenance.



How many miles per gallon does a 2024 Ram 3500 6.4 get?


Based on data from 8 vehicles, 130 fuel-ups and 55,915 miles of driving, the 2024 Ram 3500 gets a combined Avg MPG of 13.61 with a 0.80 MPG margin of error.



Is the fuel economy better on the Ram 2500 gas or diesel?


The diesel trucks averaged 18 mpg, and the gas-fed models averaged 15 mpg, which means the compression-ignition pickups returned 20 percent better fuel economy. Still, of the 22 HD pickups we've put through our HFE test, only two diesels cracked 20 mpg–a 2018 Ram 2500 and a 2023 Ford F-250 Super Duty.



What is the fuel economy of the 6.4 L Ram 2500 in 2024?


12 mpg city and 18 mpg highway
How many miles per gallon does the 2024 RAM 2500 get? The 2024 RAM 2500 gas mileage specs reach up to 12 mpg city and 18 mpg highway—an impressive number for a RAM truck of its stature!



How many miles per gallon does a 6.4 Hemi get?


It is also an efficient vehicle, with an EPA-estimated fuel economy of 15 mpg city and 22 mpg highway.



Is the HEMI 6.4 a good engine?


The 6.4 HEMI has several advantages over traditional gasoline engines. It is more efficient, produces higher power output, and is designed with modern technology to further improve performance. This engine also has a longer lifespan than traditional gasoline engines, meaning you can expect it to last for many years.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.