Source: Pixabay The Toyota Highlander is a popular mid-size crossover vehicle produced by the iconic Toyota brand. It’s been around since 2000 and has gathered a large following. If you are interested in a Toyota Highlander, one of the most critical items is the Toyota Highlander MPG. What should you know about this factor of the vehicle? If you’re interested in learning more about the Toyota Highlander MPG, you’ve come to the right place.