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2018 Audi S8 tire sizes

The 2018 Audi S8 came from the factory with 1 tire size on 21" wheels. The most common size is 275/35 R21.

2018 S8 Base Model

Factory (OE) sizes

21"wheels
275/35 R21

How to read 275/35 R21

275
Tread width in millimetres
35
Sidewall height, % of width
R
Radial construction
21
Wheel diameter in inches

Overall diameter: about 28.6" · Sidewall: 96 mm

Audi S8 tire sizes by year

2001 2002 2003 2007 2008 2009 2010 2011 2013 2014 2015 2016 2017 2018 2020 2021 2022 2023 2024 2025

Other Audi models

100 100 Quattro 200 Quattro 4000 4000 Quattro 5000 80 90 90 Quattro A3 A3 Quattro A3 Sportback E-Tron A4 A4 Allroad A4 Quattro A5 A5 Quattro A5 Sportback A6 A6 Allroad A6 Quattro A6 Sportback e-tron A6 Sportback e-tron Quattro A7 Quattro A7 Sportback A8 A8 Quattro All Road All Road Quattro Cabriolet Coupe e-tron GT e-tron Quattro e-tron S e-tron S Sportback e-tron Sportback Fox Q3 Q3 Quattro Q4 e-tron Q4 e-tron Sport Back Q5 Q5 (All-New) Q5 PHEV Q5 Sportback Q6 e-tron Q6 Sportback e-tron Q7 Q8 Q8 e-tron Q8 e-tron Sportback Quattro R8 RS e-tron GT RS e-tron GT Performance RS Q8 RS3 RS4 RS5 RS5 Sportback RS6 RS6 Avant RS7 RS7 Sportback S3 S4 S5 S5 Sportback S5 Sportback (All New) S6 S6 e-tron S7 S7 Sportback SQ5 SQ5 (All-New) SQ5 Sportback SQ5 Sportback (All-New) SQ6 e-tron SQ6 Sportback e-tron SQ7 SQ8 SQ8 e-tron SQ8 e-tron Sportback TT TT Quattro TT RS Quattro TTS Quattro V8 Quattro