2021 Subaru WRX STI mpg
Combined mpg, STI Limited Manual w/Lip Spoiler
18mpg
- 16 city, 22 highway.
- 8 mpg below the median of 81 sedans (2021).
12,000 miles a year. Gas $3.20.
| Trim | Engine | Drive | City mpg | Hwy mpg | Combined | Tank, gal | Miles per tank | Cost a year |
|---|---|---|---|---|---|---|---|---|
| STI Limited Manual w/Lip Spoiler | 2.5L | AWD | 16 | 22 | 18 | 15.9 | 286 | $2,133 |
Fuel cost
STI Limited Manual w/Lip Spoiler, 18 mpg combined.
- Per year
- $2,133
- Per month
- $178
- Per mile
- 17.8 cents
- Fill the tank
- $50.88
Trip cost
| Trip | Gallons | Cost |
|---|---|---|
| 100 miles | 4.5 | $14.55 |
| 300 miles | 13.6 | $43.64 |
| 500 miles | 22.7 | $72.73 |
| 1,000 miles | 45.5 | $145 |
Commute cost
- Per month
- $154
- Per year
- $1,849
- Miles a month
- 867
STI Limited Manual w/Lip Spoiler. 20 miles each way, 5 days a week.
Is 18 mpg good? No. Beats 11% of 2026 cars.
MPG by year
Rivals
| Car | Cheapest trim | Combined mpg |
|---|---|---|
| 2021 Subaru WRX STI | STI Limited Manual w/Lip Spoiler | 18 mpg |
| 2021 Nissan Maxima | SV FWD | 24 mpg |
| 2021 Cadillac CT5 | Luxury RWD | 26 mpg |
| 2021 Volkswagen Arteon | SE FWD | 25 mpg |
| 2021 Acura TLX | FWD | 25 mpg |
| 2021 INFINITI Q50 | PURE RWD | 23 mpg |
| 2021 Mercedes-Benz CLA | 250 FWD | 29 mpg |
What this cannot tell you
EPA ratings. Your own mpg will differ.
Gas prices change by state and by week.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree