STI · Compact cars · Gasoline
STI S209: MPG and annual fuel cost, 2019
The STI S209 was last rated in the data for model year 2019, at 17 MPG combined, 11th of 11 compact cars, in the bottom quarter.
- 17MPG combined11th of 11 in class
- $4,850a year in fuel11th of 11 in class
- 518g/mile CO2
Where it stands
Compared only with the gasoline models of its class it is 6th of 6 gasoline compact cars, in the bottom quarter. The median of that narrower group is 26 MPG, against 33 MPG for all compact cars together.
Across every class it is tied for 24th of 28 gasoline models, in the bottom quarter.
In its class, just ahead of it is the BMW 6 Series at 23 MPG.
Fuel cost and CO2
The file prices the fuel for its most efficient version at about $4,850 a year, assuming 15,000 miles a year with 55% of them in the city and premium gasoline at $5.48 per gallon. That is $2,250 more than the compact cars median of $2,600.
Tailpipe CO2 is 518 g/mile, 224 g/mile above the compact cars median of 294.
Rated versions
In the city the most efficient version is rated 15 and on the highway 21, 6 better on the open road. The data lists one version for 2019: S209: 2.5 L, 4 cyl, Manual 6-spd, AWD.
| Version | Combined MPG | City MPG | Highway MPG | Annual fuel cost | CO2 g/mile |
|---|---|---|---|---|---|
| S209: 2.5 L, 4 cyl, Manual 6-spd, AWD | 17 | 15 | 21 | $4,850 | 518 |
Year by year
The STI S209 appears in the data for model year 2019 only, one of the 8 model years from 2019 to 2026.
| Model year | Versions | Best MPG | Lowest MPG | Fuel cost | CO2 g/mi | Class median |
|---|---|---|---|---|---|---|
| 2019 | 1 | 17 | 17 | $4,850 | 518 | 30.5 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| BMW 6 Series | Gasoline | 23 | $3,550 | 2019 |
| Cadillac ATS | Gasoline | 25 | $3,300 | 2019 |
| Volkswagen Beetle | Gasoline | 29 | $2,300 | 2019 |
| Chevrolet Cruze | Gasoline | 33 | $2,050 | 2019 |
| Chevrolet Cruze Diesel | Diesel | 37 | $2,600 | 2019 |
Compare and rank
Rankings: Compact cars.
Data: US EPA and DOE, as prepared in methods and data.