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What gas mileage does the Ford 7.3 gas engine get?

The Ford 7.3-liter gas engine, commonly known as the "7.3 Godzilla", is a powerful V8 engine found in various Ford trucks and SUVs. While this engine is renowned for its impressive towing capacity and performance, its fuel efficiency is a common concern for potential buyers. In this article, we'll explore the real-world gas mileage of the Ford 7.3 gas engine and provide a detailed breakdown of its performance.


Real-World Fuel Economy


According to data from Ford, the 7.3-liter gas engine in the 2020 Ford F-250 Super Duty has an EPA-estimated fuel economy of 15 miles per gallon (mpg) in the city and 19 mpg on the highway. However, actual real-world fuel efficiency can vary depending on driving conditions, load, and individual driving habits.


Most owners report that the Ford 7.3 gas engine typically achieves between 12 to 16 mpg in mixed driving conditions, with some drivers reporting as low as 10 mpg for heavy-duty towing or hauling tasks. The engine's large displacement and high power output contribute to its relatively low fuel efficiency compared to smaller, more fuel-efficient engines.


Factors Affecting Fuel Economy


Several factors can impact the fuel economy of the Ford 7.3 gas engine, including:



  • Driving Conditions: Driving in stop-and-go traffic, hilly terrain, or with heavy loads can significantly reduce fuel efficiency.

  • Engine Load: Towing heavy trailers or hauling large payloads will increase the engine's workload, resulting in lower fuel economy.

  • Driving Style: Aggressive acceleration, high-speed driving, and frequent braking can all contribute to decreased fuel efficiency.

  • Maintenance: Proper maintenance, such as regular oil changes and air filter replacements, can help maintain the engine's optimal performance and fuel economy.


It's important to note that the Ford 7.3 gas engine is designed for heavy-duty applications, and its fuel efficiency may not be a primary concern for buyers who prioritize power and towing capacity over fuel economy.


Improving Fuel Efficiency


While the Ford 7.3 gas engine may not be the most fuel-efficient option, there are some steps owners can take to improve its fuel economy:



  • Drive Conservatively: Avoid aggressive acceleration and maintain a steady speed to maximize fuel efficiency.

  • Reduce Weight: Remove unnecessary cargo and equipment to reduce the engine's workload.

  • Maintain the Vehicle: Regular maintenance, such as tire rotations and wheel alignments, can help improve fuel economy.

  • Consider Fuel-Saving Accessories: Aftermarket products like aerodynamic body kits or low-rolling-resistance tires may provide a slight boost in fuel efficiency.


Ultimately, the Ford 7.3 gas engine is designed for power and performance, and its fuel efficiency may not be the primary concern for many buyers in this segment. However, understanding the real-world fuel economy and taking steps to improve it can help owners maximize their vehicle's efficiency and reduce fuel costs.

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.