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Subaru STI Gas Mileage (2015 - 2019): Comprehensive Fuel Economy Data

Researched By The AutoPadre Research Team


The Subaru STI gas mileage is 18 to 20 miles per gallon as specified in our data below, organized by trim, option package, and model year.


For example, the 2019 Subaru STI S209 2.5T trim model has a combined gas mileage of 18 miles per gallon, while the 2016 Subaru STI WRX STI has a combined gas mileage of 20 miles per gallon.


In the city, the STI gas mileage is 15 to 17 miles per gallon depending on the trim and model year.

On the highway, the STI gas mileage is 21 to 23 miles per gallon depending on the trim and model year.

Note: The gas mileage shown for hybrid vehicles is the miles per gallon equivalent.

Check out the Gas Mileage specifications for other makes and models.

Jump To Model Year

2019 Subaru STI Gas Mileage

The 2019 Subaru STI gas mileage is 18 miles per gallon combined.

In the city, the 2019 STI gas mileage is 15 miles per gallon.

On the highway, the 2019 STI gas mileage is 21 miles per gallon.

2019 Subaru STI Gas Mileage (Imperial)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
S209 2.5T 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 15 city mpg | 21 hwy mpg | 18 combined mpg
S209 STi Sedan 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 15 city mpg | 21 hwy mpg | 18 combined mpg
2019 Subaru STI Gas Mileage (Metric)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
S209 2.5T 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 16.0 city L/100 km | 11.0 hwy L/100 km | 13.0 combined L/100 km
S209 STi Sedan 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 16.0 city L/100 km | 11.0 hwy L/100 km | 13.0 combined L/100 km

2016 Subaru STI Gas Mileage

The 2016 Subaru STI gas mileage is 20 miles per gallon combined.

In the city, the 2016 STI gas mileage is 17 miles per gallon.

On the highway, the 2016 STI gas mileage is 23 miles per gallon.

2016 Subaru STI Gas Mileage (Imperial)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
WRX STI Sedan 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 17 city mpg | 23 hwy mpg | 20 combined mpg
WRX STI Limited Sedan 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 17 city mpg | 23 hwy mpg | 20 combined mpg
WRX STI Series Hyper Blue Sedan 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 17 city mpg | 23 hwy mpg | 20 combined mpg
2016 Subaru STI Gas Mileage (Metric)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
WRX STI Sedan 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 14.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km
WRX STI Limited Sedan 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 14.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km
WRX STI Series Hyper Blue Sedan 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 14.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km

2015 Subaru STI Gas Mileage

The 2015 Subaru STI gas mileage is 20 miles per gallon combined.

In the city, the 2015 STI gas mileage is 17 miles per gallon.

On the highway, the 2015 STI gas mileage is 23 miles per gallon.

2015 Subaru STI Gas Mileage (Imperial)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
WRX Sed STI Launch Edition 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 17 city mpg | 23 hwy mpg | 20 combined mpg
WRX STI Sedan 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 17 city mpg | 23 hwy mpg | 20 combined mpg
WRX STI Limited Sedan 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 17 city mpg | 23 hwy mpg | 20 combined mpg
2015 Subaru STI Gas Mileage (Metric)
Trim Engine | Transmission | Drivetrain City | Highway | Combined Mileage
WRX Sed STI Launch Edition 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 14.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km
WRX STI Sedan 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 14.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km
WRX STI Limited Sedan 2.5L | Intercooled Turbo | H4 | 6 Spd Manual w/OD | AWD 14.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km
Subaru STI Gas Mileage Data Brought To You By AutoPadre
Subaru STI Gas Mileage Data Brought To You By AutoPadre