Audi S3 MPG and Fuel Economy
Audi have been manufacturing models of S3 for 8 years, with the latest vehicle in 2023 having a combined MPG of 26.
The estimated fuel cost for the 2023 Audi S3 is $2,450 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will spend $3,250 more on fuel driving a 2023 Audi S3.
🛢 The Audi S3 will consume roughly 11 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Audi S3 will emit 334 grams of CO2, which is about 5,010,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 239 trees would be needed to offset emissions from the Audi S3.
The table below is a complete list of the 8 Audi S3 fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2023 Audi S3 | 26 | $2,450 |
| 2022 Audi S3 | 27 | $2,750 |
| 2020 Audi S3 | 25 | $2,950 |
| 2019 Audi S3 | 25 | $2,950 |
| 2018 Audi S3 | 25 | $2,950 |
| 2017 Audi S3 | 24 | $3,100 |
| 2016 Audi S3 | 26 | $2,850 |
| 2015 Audi S3 | 26 | $2,850 |
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<a href="https://mpgbuddy.com/cars/audi/s3">Audi S3 MPG and Fuel Economy</a>
"Audi S3 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/audi/s3.
"Audi S3 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/audi/s3. Accessed January 3, 2026.
Audi S3 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/audi/s3.