Audi S3: MPG and fuel economy by year

The EPA has rated the Audi S3 across 11 model years, from the 2015 Audi S3 through the 2026 Audi S3. The most recent 2026 Audi S3 returns 26 combined MPG. The most efficient model year was the 2022 Audi S3 at 27 MPG.

Pick a year below to open the full Audi S3 page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.

Fuel economy by model year

Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Audi S3. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.

Year	Model	Combined MPG	City	Highway	Annual fuel cost
2026	2026 Audi S3	26 MPG	23 MPG	31 MPG	$2,650
2025	2025 Audi S3	26 MPG	23 MPG	31 MPG	$2,650
2024	2024 Audi S3	26 MPG	23 MPG	32 MPG	$2,650
2023	2023 Audi S3	26 MPG	23 MPG	32 MPG	$2,650
2022	2022 Audi S3	27 MPG	23 MPG	32 MPG	$2,550
2020	2020 Audi S3	25 MPG	22 MPG	29 MPG	$2,750
2019	2019 Audi S3	25 MPG	22 MPG	29 MPG	$2,750
2018	2018 Audi S3	25 MPG	22 MPG	28 MPG	$2,750
2017	2017 Audi S3	24 MPG	21 MPG	28 MPG	$2,900
2016	2016 Audi S3	26 MPG	23 MPG	31 MPG	$2,650
2015	2015 Audi S3	26 MPG	23 MPG	31 MPG	$2,650

How the Audi S3 compares against the Subcompact Cars class

Buyers usually compare the Audi S3 against other cars in the same EPA class. The list below shows the most efficient cars in the Subcompact Cars class for the 2026 model year, the latest year on this page. Each link opens the full page for that car.

Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.