Audi S3 Gas Tank Size & Fuel Capacity by Year
14.5gal · 55 L
Across 10 model years (2016–2026), the Audi S3 has used tanks from 14.5 gallons. The 2026 model holds 14.5 gallons.
Pick your model year
How the tank changed over the years
Audi S3 tank size by generation
Model years with the same tank sizes, grouped. A change usually marks a new generation or a redesign.
Audi S3 tank size by year
| Year | Tank | Liters | Best highway range | Trims |
|---|---|---|---|---|
| 2026 Audi S3 | 14.5 gallons | 55 L | 450 mi | 1 |
| 2025 Audi S3 | 14.5 gallons | 55 L | 450 mi | 3 |
| 2024 Audi S3 | 14.5 gallons | 55 L | 464 mi | 3 |
| 2023 Audi S3 | 14.5 gallons | 55 L | 464 mi | 3 |
| 2022 Audi S3 | 14.5 gallons | 55 L | 464 mi | 3 |
| 2020 Audi S3 | 14.5 gallons | 55 L | 421 mi | 2 |
| 2019 Audi S3 | 14.5 gallons | 55 L | 421 mi | 2 |
| 2018 Audi S3 | 14.5 gallons | 55 L | 406 mi | 4 |
| 2017 Audi S3 | 14.5 gallons | 55 L | 406 mi | 2 |
| 2016 Audi S3 | 14.5 gallons | 55 L | 450 mi | 2 |
Frequently asked questions
What size gas tank does the Audi S3 have?
The 2026 Audi S3 holds 14.5 gallons. Older years range from 14.5 gallons; the table has every year.
Has the tank size changed over the years?
Not in the years we list. The largest tank has stayed at 14.5 gallons.