Audi S8 tire size
The most common factory tire size for the Audi S8 is 265/35R21, on 26 of the 35 year and trim fits listed. The table lists every year from 2013 to 2027 and the size each trim was built with. Pick your year and trim to see the tires that fit.
Audi S8 tire sizes by year
| Year | Factory tire size | Trims |
|---|---|---|
| 2027 | 265/35R21 | 4.0, 4.0 w/o TPMS |
| 2026 | 265/35R21 | 4.0, 4.0 w/o TPMS, Base |
| 2025 | 265/35R21 | 4.0, 4.0 w/o TPMS, Base |
| 265/40R20 | 4.0, 4.0 w/o TPMS | |
| 2024 | 265/35R21 | 4.0, w/Black Optic/Executive Pkg. |
| 265/40R20 | 4.0, Base | |
| 2023 | 265/35R21 | 4.0, 4.0 w/o TPMS, Base |
| 265/40R20 | 4.0, 4.0 w/o TPMS, Base | |
| 2022 | 265/35R21 | 4.0, 4.0 w/o TPMS, Base |
| 265/40R20 | 4.0, 4.0 w/o TPMS, Base | |
| 2021 | 265/35R21 | 4.0, Base |
| 2020 | 265/35R21 | 4.0, 4.0 w/ Carbon Ceramic Brake, Base |
| 265/40R20 | 4.0, 4.0 w/ Carbon Ceramic Brake, Base | |
| 2018 | 275/35R21 | Base, Plus |
| 2017 | 275/35R21 | Base, Plus |
| 2016 | 275/35R21 | (Summer Tires), Base, Plus (Summer Tires) |
| 265/35R21load index 101, speed rating Y | Base, Plus | |
| 2015 | 275/35R21 | (Summer Tires), Base |
| 265/35R21load index 101, speed rating Y | Base | |
| 2014 | 275/35R21 | (Summer Tires), Base |
| 265/35R21load index 101, speed rating Y | Base | |
| 2013 | 265/35R21load index 101, speed rating Y | Base |
| 275/35R21 | Base |
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.