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What is the gas mileage on a 6.7 L f350?

The gas mileage of a 6.7L Ford F350 diesel truck can vary depending on several factors, but on average, it achieves around 18-22 miles per gallon (MPG) in combined city and highway driving.


Factors Affecting the F350's Fuel Economy


The fuel efficiency of the 6.7L Ford F350 is influenced by a number of variables, including driving conditions, load, and driving style. Factors that can impact the gas mileage include:



  • Engine size and power: The 6.7L V8 diesel engine in the F350 is a powerful workhorse, but larger engines generally consume more fuel than smaller ones.

  • Payload and towing capacity: Hauling heavy loads or towing a trailer can significantly reduce the truck's fuel economy.

  • Driving conditions: Stop-and-go city driving, steep hills, and high speeds can all lower the F350's MPG.

  • Driving style: Aggressive acceleration, frequent braking, and high-revving the engine can negatively impact fuel efficiency.

  • Maintenance: Proper maintenance, such as keeping tires properly inflated and the engine tuned, can help maximize the F350's gas mileage.


By being mindful of these factors and adjusting driving habits accordingly, F350 owners can work to achieve the best possible fuel economy from their powerful diesel truck.


Real-World Fuel Economy Estimates


According to data from Source, the average fuel economy for a 6.7L Ford F350 is around 18-22 MPG in combined city and highway driving. Some more specific real-world estimates include:



  • City driving: 15-18 MPG

  • Highway driving: 20-24 MPG

  • Towing a trailer: 12-16 MPG

  • Hauling a heavy payload: 14-18 MPG


It's important to note that these figures are just estimates, and individual F350 owners may see slightly different results based on their unique driving conditions and habits.

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.