2025 Subaru Forester Hybrid Gas Mileage. Depending on trim level, the 2025 subaru forester gas mileage is from 29 to 30 miles per gallon combined. Two trim levels get worse fuel mileage than the outgoing model.

Compare 2025 subaru forester suv trims side by side to find the right vehicle for you. Answers to frequently asked questions about octane.