A 2016 Toyota Highlander owner is experiencing terrible gas mileage, getting only 25 MPG and having to refuel every 2 days.
"My gas mileage is terrible, but I'm not changing my gasoline octane opinion."
The owner uses 89 or 91 octane gas and is looking for advice on how to boost their mileage for their V6 FWD vehicle.
Malachi Parker from the Toyota Highlander Owners Club Facebook page shares his experience, seeking help from other owners.
"So, I have a 2016 Toyota Highlander XLE V6 FWD. My gas mileage is terrible (I need to refuel every 2 days). I use 89 or 91 octane (I use what I want; I don't need anyone telling me what octane to use)."
The best advice for any Highlander owner wanting to increase their MPG is to explore solutions that do not involve changing their gasoline octane preference.
Author's summary: Improve gas mileage without changing octane preference.