However, on average, six-cylinder engines can have a fuel efficiency ranging from approximately 20 to 30 MPG in city driving conditions and 25 to 35 MPG on the highway. Some modern six-cylinder engines equipped with fuel-efficient technologies might even achieve higher MPG ratings.
To get a more accurate MPG estimate for a specific six-cylinder vehicle, it is advisable to refer to official fuel economy ratings provided by reputable sources such as the U.S. Environmental Protection Agency (EPA) or equivalent agencies in other countries. Additionally, real-world driving conditions and individual driving habits can also impact fuel efficiency.