- Newest year: 2021
- Gas
- Small cars
2015-2021 Subaru WRX MPG & Fuel Cost
7 model years · 18–24 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 3 of 10 small car configurations, MY2021. Ranked against all rated configurations, not sales-weighted.
2015-2021 Subaru WRX at a glance
The 2015-2021 Subaru WRX covers 7 model years in the EPA database (22 configurations in all), rated 18–24 MPG combined. The newest model year, 2021, costs about $3,530 a year to fuel for its most efficient version, the WRX 2.0L 4-cyl turbo AWD (23 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2016, 2017, 2018, 2019, 2020 and 2021. The best combined rating in the generation, 24 MPG, was reached in 2015.
2015-2021 Subaru WRX by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2021 | Gas | 18–23 MPG | $3,530–$4,360 | Ratings changed |
| 2020 | Gas | 19–23 MPG | $3,470–$4,320 | Ratings changed |
| 2019 | Gas | 19–23 MPG | $3,480–$4,320 | Ratings changed |
| 2018 | Gas | 18–23 MPG | $3,480–$4,360 | Ratings changed |
| 2017 | Gas | 19–23 MPG | $3,500–$4,160 | Ratings changed |
| 2016 | Gas | 19–23 MPG | $3,500–$4,160 | Ratings changed |
| 2015 | Gas | 19–24 MPG | $3,380–$4,160 | First year |
What the 2021 WRX 2.0L 4-cyl turbo AWD costs to drive
Per month
$294
$3,530 a year ÷ 12
Per 25 miles
$5.88
Per 100 miles
$23.53
Five years
$17,650
5 × the yearly cost, prices held at today's level
vs the small car median
$320more a year
Class median $3,210 a year, MY2021
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2021 Subaru WRX MPG
Versus 2020: The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,470 to $3,530, $60 more.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| WRX 2.0L 4-cyl turbo AWD Manual 6-spd (Most efficient) | 2.0L 4-cyl turbo | AWD | 20 | 27 | 23 | $3,530 |
| WRX 2.0L 4-cyl turbo AWD Automatic (AV-S8) | 2.0L 4-cyl turbo | AWD | 18 | 24 | 21 | $3,910 |
| WRX 2.5L 4-cyl turbo | 2.5L 4-cyl turbo | AWD | 16 | 22 | 18 | $4,360 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2020 Subaru WRX MPG
19–23 MPG · $3,470–$4,320/yr
Versus 2019: The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,480 to $3,470, $10 less.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| WRX 2.0L 4-cyl turbo AWD Manual 6-spd (Most efficient) | 2.0L 4-cyl turbo | AWD | 21 | 27 | 23 | $3,470 |
| WRX 2.0L 4-cyl turbo AWD Automatic (AV-S8) | 2.0L 4-cyl turbo | AWD | 18 | 24 | 21 | $3,910 |
| WRX 2.5L 4-cyl turbo | 2.5L 4-cyl turbo | AWD | 16 | 22 | 19 | $4,320 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2019 Subaru WRX MPG
19–23 MPG · $3,480–$4,320/yr
Versus 2018: The most efficient configuration stays at 23 MPG. Its annual cost stays at $3,480.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| WRX 2.0L 4-cyl turbo AWD Manual 6-spd (Most efficient) | 2.0L 4-cyl turbo | AWD | 21 | 27 | 23 | $3,480 |
| WRX 2.0L 4-cyl turbo AWD Automatic (AV-S8) | 2.0L 4-cyl turbo | AWD | 18 | 24 | 21 | $3,910 |
| WRX 2.5L 4-cyl turbo | 2.5L 4-cyl turbo | AWD | 17 | 22 | 19 | $4,320 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2018 Subaru WRX MPG
18–23 MPG · $3,480–$4,360/yr
Versus 2017: The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,500 to $3,480, $20 less.
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| WRX 2.0L 4-cyl turbo AWD Manual 6-spd (Most efficient) | 2.0L 4-cyl turbo | AWD | 21 | 27 | 23 | $3,480 |
| WRX 2.0L 4-cyl turbo AWD Automatic (AV-S8) | 2.0L 4-cyl turbo | AWD | 18 | 24 | 21 | $3,910 |
| WRX 2.5L 4-cyl turbo | 2.5L 4-cyl turbo | AWD | 17 | 22 | 19 | $4,310 |
| STI Type RA | 2.5L 4-cyl turbo | AWD | 16 | 22 | 18 | $4,360 |
4 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2017 Subaru WRX MPG
19–23 MPG · $3,500–$4,160/yr
Versus 2016: The most efficient configuration stays at 23 MPG. Its annual cost stays at $3,500.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| WRX 2.0L 4-cyl turbo AWD Manual 6-spd (Most efficient) | 2.0L 4-cyl turbo | AWD | 20 | 27 | 23 | $3,500 |
| WRX 2.0L 4-cyl turbo AWD Automatic (AV-S8) | 2.0L 4-cyl turbo | AWD | 18 | 24 | 21 | $3,910 |
| WRX 2.5L 4-cyl turbo | 2.5L 4-cyl turbo | AWD | 17 | 23 | 19 | $4,160 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2016 Subaru WRX MPG
19–23 MPG · $3,500–$4,160/yr
Versus 2015: The most efficient configuration moves from 24 to 23 MPG, down 1. Its annual cost goes from $3,380 to $3,500, $120 more.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| WRX 2.0L 4-cyl turbo AWD Manual 6-spd (Most efficient) | 2.0L 4-cyl turbo | AWD | 20 | 27 | 23 | $3,500 |
| WRX 2.0L 4-cyl turbo AWD Automatic (AV-S8) | 2.0L 4-cyl turbo | AWD | 18 | 24 | 21 | $3,910 |
| WRX 2.5L 4-cyl turbo | 2.5L 4-cyl turbo | AWD | 17 | 23 | 19 | $4,160 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2015 Subaru WRX MPG
19–24 MPG · $3,380–$4,160/yr
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| WRX 2.0L 4-cyl turbo AWD Manual 6-spd (Most efficient) | 2.0L 4-cyl turbo | AWD | 21 | 28 | 24 | $3,380 |
| WRX 2.0L 4-cyl turbo AWD Automatic (AV-S8) | 2.0L 4-cyl turbo | AWD | 19 | 25 | 21 | $3,790 |
| WRX 2.5L 4-cyl turbo | 2.5L 4-cyl turbo | AWD | 17 | 23 | 19 | $4,160 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the WRX 2.0L 4-cyl turbo AWD: $4,200 in California and $3,060 in Texas, a $1,140 difference.
- California $4,200
- Washington $3,950
- New York $3,480
- Florida $3,220
- Texas $3,060
Similar cars
Closest combined MPG among MY2021 small car models.
Generations
- 2015-2021 (VA)
- 2022-2026 (VB)
Frequently asked questions
What gas mileage does the 2015-2021 Subaru WRX get?
EPA rates the 2015-2021 Subaru WRX at 18–24 MPG combined across 22 configurations and 7 model years. The most efficient version, the 2015 WRX 2.0L 4-cyl turbo AWD, is rated 24 MPG (21 city, 28 highway).
Which years had the best MPG in the 2015-2021 Subaru WRX?
The WRX 2.0L 4-cyl turbo AWD reached the generation's best combined rating, 24 MPG, in 2015. The lowest top rating, 23 MPG, was in 2016, 2017, 2018, 2019, 2020 and 2021.
Did EPA ratings change during the 2015-2021 Subaru WRX?
Yes. Ratings changed in 2016, 2017, 2018, 2019, 2020 and 2021.
How much does it cost to fuel a 2021 Subaru WRX per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the WRX 2.0L 4-cyl turbo AWD costs about $3,530 a year. Across all 3 configurations the cost runs $3,530–$4,360 a year. That is a $830 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2021 Subaru WRX 100 miles?
About $23.53 per 100 miles for the WRX 2.0L 4-cyl turbo AWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $23.53 and $29.07 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2021 Subaru WRX more efficient in the city or on the highway?
The WRX 2.0L 4-cyl turbo AWD is rated 20 city and 27 highway MPG, so it is more efficient on the highway, by 7 MPG.
How does the 2021 Subaru WRX compare with other small car configurations?
The WRX 2.0L 4-cyl turbo AWD costs about $3,530 a year to fuel, $320 more than the class median of $3,210, and less than 3 of 10 small car configurations. The comparison covers all 298 rated small car configurations for MY2021, not weighted by sales.
Is the 2021 Subaru WRX different from the 2020 model?
The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,470 to $3,530, $60 more. EPA lists 3 configurations for 2021 against 3 configurations for 2020. See the 2020 Subaru WRX for that year.