- Newest year: 2021
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2019-2021 Audi S4 MPG & Fuel Cost
3 model years · 23–24 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 4 of 10 small car configurations, MY2021. Ranked against all rated configurations, not sales-weighted.
2019-2021 Audi S4 at a glance
The 2019-2021 Audi S4 covers 3 model years in the EPA database (3 configurations in all), rated 23–24 MPG combined. The newest model year, 2021, costs about $3,460 a year to fuel for its most efficient version, the S4 3.0L 6-cyl turbo AWD (23 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2020 and 2021. The best combined rating in the generation, 24 MPG, was reached in 2019.
2019-2021 Audi S4 by model year
What the 2021 S4 3.0L 6-cyl turbo AWD costs to drive
Per month
$288
$3,460 a year ÷ 12
Per 25 miles
$5.77
Per 100 miles
$23.07
Five years
$17,300
5 × the yearly cost, prices held at today's level
vs the small car median
$250more 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 Audi S4 MPG
Versus 2020: The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,570 to $3,460, $110 less.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S4 (Most efficient) | 3.0L 6-cyl turbo | AWD | 20 | 28 | 23 | $3,460 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2020 Audi S4 MPG
23 MPG · $3,570/yr
Versus 2019: The most efficient configuration moves from 24 to 23 MPG, down 1. Its annual cost goes from $3,340 to $3,570, $230 more.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S4 (Most efficient) | 3.0L 6-cyl turbo | AWD | 20 | 27 | 23 | $3,570 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2019 Audi S4 MPG
24 MPG · $3,340/yr
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S4 (Most efficient) | 3.0L 6-cyl turbo | AWD | 21 | 30 | 24 | $3,340 |
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 S4 3.0L 6-cyl turbo AWD: $4,120 in California and $3,000 in Texas, a $1,120 difference.
- California $4,120
- Washington $3,880
- New York $3,410
- Florida $3,160
- Texas $3,000
Similar cars
Closest combined MPG among MY2021 small car models.
Generations
Frequently asked questions
What gas mileage does the 2019-2021 Audi S4 get?
EPA rates the 2019-2021 Audi S4 at 23–24 MPG combined across 3 configurations and 3 model years. The most efficient version, the 2019 S4 3.0L 6-cyl turbo AWD, is rated 24 MPG (21 city, 30 highway).
Which years had the best MPG in the 2019-2021 Audi S4?
The S4 3.0L 6-cyl turbo AWD reached the generation's best combined rating, 24 MPG, in 2019. The lowest top rating, 23 MPG, was in 2020 and 2021.
Did EPA ratings change during the 2019-2021 Audi S4?
Yes. Ratings changed in 2020 and 2021.
How does the 2019-2021 Audi S4 compare with the previous generation?
The previous generation (2018 Audi S4) is rated 24 MPG combined and costs $3,380 a year to fuel; the 2019-2021 model is rated 23–24 MPG and costs $3,340–$3,570 a year.
How much does it cost to fuel a 2021 Audi S4 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the S4 3.0L 6-cyl turbo AWD costs about $3,460 a year. Across all 1 configuration the cost runs $3,460 a year.
How much does it cost to drive a 2021 Audi S4 100 miles?
About $23.07 per 100 miles for the S4 3.0L 6-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 2021 Audi S4 more efficient in the city or on the highway?
The S4 3.0L 6-cyl turbo AWD is rated 20 city and 28 highway MPG, so it is more efficient on the highway, by 8 MPG.
How does the 2021 Audi S4 compare with other small car configurations?
The S4 3.0L 6-cyl turbo AWD costs about $3,460 a year to fuel, $250 more than the class median of $3,210, and less than 4 of 10 small car configurations. The comparison covers all 298 rated small car configurations for MY2021, not weighted by sales.
Is the 2021 Audi S4 different from the 2020 model?
The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,570 to $3,460, $110 less. EPA lists 1 configuration for 2021 against 1 configuration for 2020. See the 2020 Audi S4 for that year.