- Newest year: 2018
- Gas
- Small cars
2018 Audi S4 MPG & Fuel Cost
1 configuration · 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, MY2018. Ranked against all rated configurations, not sales-weighted.
2018 Audi S4 at a glance
The 2018 Audi S4 has 1 configuration in the EPA database, rated 24 MPG combined. The most efficient is the S4 3.0L 6-cyl turbo AWD at 24 MPG, which costs about $3,380 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The S4 3.0L 6-cyl turbo AWD costs less to fuel than 4 of 10 small car configurations rated for MY2018 (class median $3,170 a year).
What the 2018 S4 3.0L 6-cyl turbo AWD costs to drive
Per month
$282
$3,380 a year ÷ 12
Per 25 miles
$5.63
Per 100 miles
$22.53
Five years
$16,900
5 × the yearly cost, prices held at today's level
vs the small car median
$210more a year
Class median $3,170 a year, MY2018
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2018 Audi S4 MPG
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S4 (Most efficient) | 3.0L 6-cyl turbo | AWD | 21 | 30 | 24 | $3,380 |
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: $4,030 in California and $2,930 in Texas, a $1,100 difference.
- California $4,030
- Washington $3,790
- New York $3,340
- Florida $3,090
- Texas $2,930
Similar cars
Closest combined MPG among MY2018 small car models.
Generations
Frequently asked questions
How does the 2018 Audi S4 compare with the previous generation?
The previous generation (2013-2016 Audi S4) is rated 20–21 MPG combined and costs $3,750–$3,980 a year to fuel; the 2018 model is rated 24 MPG and costs $3,380 a year.
What gas mileage does the 2018 Audi S4 get?
EPA rates the 2018 Audi S4 at 24 MPG combined across 1 configuration. The most efficient, the S4 3.0L 6-cyl turbo AWD, is rated 24 MPG combined (21 city / 30 highway).
How much does it cost to fuel a 2018 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 $3,380 a year. Across all 1 configuration the cost runs $3,380 a year.
How much does it cost to drive a 2018 Audi S4 100 miles?
About $22.53 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 2018 Audi S4 more efficient in the city or on the highway?
The S4 3.0L 6-cyl turbo AWD is rated 21 city and 30 highway MPG, so it is more efficient on the highway, by 9 MPG.
How does the 2018 Audi S4 compare with other small car configurations?
The S4 3.0L 6-cyl turbo AWD costs about $3,380 a year to fuel, $210 more than the class median of $3,170, and less than 4 of 10 small car configurations. The comparison covers all 365 rated small car configurations for MY2018, not weighted by sales.