How big is a 2018 Subaru Forester gas tank?
The 2018 Subaru Forester's fuel tank capacity is 16.9 gallons (64 liters).
That figure applies across trims for that model year. Real-world range depends on driving conditions and fuel economy; with EPA combined ratings around 29 mpg for the 2.5-liter engine with CVT, you can expect roughly 490 miles on a full tank under typical mixed driving.
Fuel Tank Capacity
The official capacity is 16.9 gallons (64 liters), a fixed specification for the 2018 Forester across its trim levels.
Estimated Driving Range
Using the commonly cited EPA combined efficiency of about 29 miles per gallon, a full 16.9-gallon tank yields an estimated range near 490 miles in mixed driving. Real-world results will vary with terrain, weather, and driving style.
EPA fuel economy snapshot
Typical EPA ratings for the 2018 Forester with the 2.5-liter engine and CVT are around 26 mpg city, 32 mpg highway, and 29 mpg combined. These figures can shift slightly depending on drivetrain and tire setup.
Notes on range variability
Actual range depends on factors such as driving conditions (city versus highway), climate control usage, cargo and passengers, and tire pressure. AWD versions may exhibit slight differences in real-world efficiency.
Summary
The 2018 Subaru Forester carries a 16.9-gallon (64-liter) gas tank. In typical mixed driving, this translates to roughly 470–500 miles of range, with exact figures varying by engine trim, drivetrain, and driving conditions.
