- Newest year: 2020
- Gas
- Small cars
2018-2020 Audi S3 MPG & Fuel Cost
3 model years · 25 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 5 of 10 small car configurations, MY2020. Ranked against all rated configurations, not sales-weighted.
2018-2020 Audi S3 at a glance
The 2018-2020 Audi S3 covers 3 model years in the EPA database (3 configurations in all), rated 25 MPG combined. The newest model year, 2020, costs about $3,250 a year to fuel for its most efficient version, the S3 2.0L 4-cyl turbo AWD (25 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2019 and 2020.
2018-2020 Audi S3 by model year
What the 2020 S3 2.0L 4-cyl turbo AWD costs to drive
Per month
$271
$3,250 a year ÷ 12
Per 25 miles
$5.42
Per 100 miles
$21.67
Five years
$16,250
5 × the yearly cost, prices held at today's level
vs the small car median
$20more a year
Class median $3,230 a year, MY2020
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2020 Audi S3 MPG
Versus 2019: The most efficient configuration stays at 25 MPG. Its annual cost stays at $3,250.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S3 (Most efficient) | 2.0L 4-cyl turbo | AWD | 22 | 29 | 25 | $3,250 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2019 Audi S3 MPG
25 MPG · $3,250/yr
Versus 2018: The most efficient configuration stays at 25 MPG. Its annual cost goes from $3,270 to $3,250, $20 less.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S3 (Most efficient) | 2.0L 4-cyl turbo | AWD | 22 | 29 | 25 | $3,250 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2018 Audi S3 MPG
25 MPG · $3,270/yr
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S3 (Most efficient) | 2.0L 4-cyl turbo | AWD | 22 | 28 | 25 | $3,270 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the S3 2.0L 4-cyl turbo AWD: $3,880 in California and $2,820 in Texas, a $1,060 difference.
- California $3,880
- Washington $3,650
- New York $3,210
- Florida $2,970
- Texas $2,820
Similar cars
Closest combined MPG among MY2020 small car models.
Generations
- 2015-2017
- 2018-2020
- 2022-2023
- 2024
- 2025-2027*
Frequently asked questions
What gas mileage does the 2018-2020 Audi S3 get?
EPA rates the 2018-2020 Audi S3 at 25 MPG combined across 3 configurations and 3 model years. The most efficient version, the 2020 S3 2.0L 4-cyl turbo AWD, is rated 25 MPG (22 city, 29 highway).
Which years had the best MPG in the 2018-2020 Audi S3?
Every model year of the 2018-2020 Audi S3 tops out at 25 MPG combined, so no year is better than another.
Did EPA ratings change during the 2018-2020 Audi S3?
Yes. Ratings changed in 2019 and 2020.
How does the 2018-2020 Audi S3 compare with the previous generation?
The previous generation (2015-2017 Audi S3) is rated 24–26 MPG combined and costs $3,080–$3,370 a year to fuel; the 2018-2020 model is rated 25 MPG and costs $3,250–$3,270 a year.
How much does it cost to fuel a 2020 Audi S3 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the S3 2.0L 4-cyl turbo AWD costs about $3,250 a year. Across all 1 configuration the cost runs $3,250 a year.
How much does it cost to drive a 2020 Audi S3 100 miles?
About $21.67 per 100 miles for the S3 2.0L 4-cyl turbo AWD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2020 Audi S3 more efficient in the city or on the highway?
The S3 2.0L 4-cyl turbo AWD is rated 22 city and 29 highway MPG, so it is more efficient on the highway, by 7 MPG.
How does the 2020 Audi S3 compare with other small car configurations?
The S3 2.0L 4-cyl turbo AWD costs about $3,250 a year to fuel, $20 more than the class median of $3,230, and less than 5 of 10 small car configurations. The comparison covers all 314 rated small car configurations for MY2020, not weighted by sales.
Is the 2020 Audi S3 different from the 2019 model?
The most efficient configuration stays at 25 MPG. Its annual cost stays at $3,250. EPA lists 1 configuration for 2020 against 1 configuration for 2019. See the 2019 Audi S3 for that year.