- Newest year: 2021
- Hybrid
- Midsize cars
- Same as 2020
2020-2021 Audi S6 MPG & Fuel Cost
2 model years · 22 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 2 of 10 midsize car configurations, MY2021. Ranked against all rated configurations, not sales-weighted.
2020-2021 Audi S6 at a glance
The 2020-2021 Audi S6 covers 2 model years in the EPA database (2 configurations in all), rated 22 MPG combined. The newest model year, 2021, costs about $3,730 a year to fuel for its most efficient version, the S6 2.9L 6-cyl turbo AWD (22 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA lists identical ratings for every model year of this generation.
2020-2021 Audi S6 by model year
What the 2021 S6 2.9L 6-cyl turbo AWD costs to drive
Per month
$311
$3,730 a year ÷ 12
Per 25 miles
$6.22
Per 100 miles
$24.87
Five years
$18,650
5 × the yearly cost, prices held at today's level
vs the midsize car median
$1,130more a year
Class median $2,600 a year, MY2021
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2021 Audi S6 MPG
EPA lists the same ratings for the 2021 Audi S6 as for the 2020 model, so the configurations and costs are the ones in the 2020 section above.See 2020
Hybrid configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S6 (Most efficient) | 2.9L 6-cyl turbo | AWD | 18 | 28 | 22 | $3,730 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2020 Audi S6 MPG
22 MPG · $3,730/yr
Hybrid configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S6 (Most efficient) | 2.9L 6-cyl turbo | AWD | 18 | 28 | 22 | $3,730 |
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 S6 2.9L 6-cyl turbo AWD: $4,440 in California and $3,230 in Texas, a $1,210 difference.
- California $4,440
- Washington $4,180
- New York $3,680
- Florida $3,400
- Texas $3,230
Similar cars
Closest combined MPG among MY2021 midsize car models.
Generations
Frequently asked questions
What gas mileage does the 2020-2021 Audi S6 get?
EPA rates the 2020-2021 Audi S6 at 22 MPG combined across 2 configurations and 2 model years. The most efficient version, the 2021 S6 2.9L 6-cyl turbo AWD, is rated 22 MPG (18 city, 28 highway).
Which years had the best MPG in the 2020-2021 Audi S6?
Every model year of the 2020-2021 Audi S6 tops out at 22 MPG combined, so no year is better than another.
Did EPA ratings change during the 2020-2021 Audi S6?
No. EPA lists the same ratings for every model year from 2020 to 2021.
How does the 2020-2021 Audi S6 compare with the previous generation?
The previous generation (2013-2018 Audi S6) is rated 18–21 MPG combined and costs $3,850–$4,360 a year to fuel; the 2020-2021 model is rated 22 MPG and costs $3,730 a year.
How much does it cost to fuel a 2021 Audi S6 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the S6 2.9L 6-cyl turbo AWD costs about $3,730 a year. Across all 1 configuration the cost runs $3,730 a year.
How much does it cost to drive a 2021 Audi S6 100 miles?
About $24.87 per 100 miles for the S6 2.9L 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 S6 more efficient in the city or on the highway?
The S6 2.9L 6-cyl turbo AWD is rated 18 city and 28 highway MPG, so it is more efficient on the highway, by 10 MPG.
How does the 2021 Audi S6 compare with other midsize car configurations?
The S6 2.9L 6-cyl turbo AWD costs about $3,730 a year to fuel, $1,130 more than the class median of $2,600, and less than 2 of 10 midsize car configurations. The comparison covers all 149 rated midsize car configurations for MY2021, not weighted by sales.
Is the 2021 Audi S6 different from the 2020 model?
No. EPA lists the same ratings for 2020 and 2021: 1 configuration rated 22 MPG combined. See the 2020 Audi S6 for that year.