STI S209: MPG and fuel economy by year

The EPA has rated the STI S209 for one model year, the 2019 STI S209. The most recent 2019 STI S209 returns 17 combined MPG.

Pick a year below to open the full STI S209 page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.

Fuel economy by model year

Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the STI S209. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.

Year	Model	Combined MPG	City	Highway	Annual fuel cost
2019	2019 STI S209	17 MPG	15 MPG	21 MPG	$4,050

How the STI S209 compares against the Compact Cars class

Buyers usually compare the STI S209 against other cars in the same EPA class. The list below shows the most efficient cars in the Compact Cars class for the 2019 model year, the latest year on this page. Each link opens the full page for that car.

Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.