- Newest year: 2025
- Hybrid
- Midsize cars
2024-2025 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 1 of 10 midsize car configurations, MY2025. Ranked against all rated configurations, not sales-weighted.
2024-2025 Audi S6 at a glance
The 2024-2025 Audi S6 covers 2 model years in the EPA database (2 configurations in all), rated 22 MPG combined. The newest model year, 2025, costs about $3,690 a year to fuel for its most efficient version, the S6 2.9L 6-cyl AWD (22 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2025.
2024-2025 Audi S6 by model year
What the 2025 S6 2.9L 6-cyl AWD costs to drive
Per month
$308
$3,690 a year ÷ 12
Per 25 miles
$6.15
Per 100 miles
$24.60
Five years
$18,450
5 × the yearly cost, prices held at today's level
vs the midsize car median
$1,520more a year
Class median $2,170 a year, MY2025
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2025 Audi S6 MPG
Versus 2024: The most efficient configuration stays at 22 MPG. Its annual cost goes from $3,700 to $3,690, $10 less.
Hybrid configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S6 (Most efficient) | 2.9L 6-cyl | AWD | 19 | 27 | 22 | $3,690 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2024 Audi S6 MPG
22 MPG · $3,700/yr
Hybrid configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S6 (Most efficient) | 2.9L 6-cyl | AWD | 19 | 26 | 22 | $3,700 |
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 AWD: $4,390 in California and $3,200 in Texas, a $1,190 difference.
- California $4,390
- Washington $4,130
- New York $3,640
- Florida $3,370
- Texas $3,200
Similar cars
Closest combined MPG among MY2025 midsize car models.
Generations
Frequently asked questions
What gas mileage does the 2024-2025 Audi S6 get?
EPA rates the 2024-2025 Audi S6 at 22 MPG combined across 2 configurations and 2 model years. The most efficient version, the 2025 S6 2.9L 6-cyl AWD, is rated 22 MPG (19 city, 27 highway).
Which years had the best MPG in the 2024-2025 Audi S6?
Every model year of the 2024-2025 Audi S6 tops out at 22 MPG combined, so no year is better than another.
Did EPA ratings change during the 2024-2025 Audi S6?
Yes. Ratings changed in 2025.
How does the 2024-2025 Audi S6 compare with the previous generation?
The previous generation (2023 Audi S6) is rated 22 MPG combined and costs $3,700 a year to fuel; the 2024-2025 model is rated 22 MPG and costs $3,690–$3,700 a year.
How much does it cost to fuel a 2025 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 AWD costs about $3,690 a year. Across all 1 configuration the cost runs $3,690 a year.
How much does it cost to drive a 2025 Audi S6 100 miles?
About $24.60 per 100 miles for the S6 2.9L 6-cyl 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 2025 Audi S6 more efficient in the city or on the highway?
The S6 2.9L 6-cyl AWD is rated 19 city and 27 highway MPG, so it is more efficient on the highway, by 8 MPG.
How does the 2025 Audi S6 compare with other midsize car configurations?
The S6 2.9L 6-cyl AWD costs about $3,690 a year to fuel, $1,520 more than the class median of $2,170, and less than 1 of 10 midsize car configurations. The comparison covers all 117 rated midsize car configurations for MY2025, not weighted by sales.
Is the 2025 Audi S6 different from the 2024 model?
The most efficient configuration stays at 22 MPG. Its annual cost goes from $3,700 to $3,690, $10 less. EPA lists 1 configuration for 2025 against 1 configuration for 2024. See the 2024 Audi S6 for that year.