tirewheelguide

2021 Audi S6 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2021 trim.

Tires for the 2021 Audi S6

Sizes most trims come with first. Open your trim below for its exact size.

  1. 255/40R20 Best-rated standard on 3 trims · USA, Japan, Europe
    Check price on Amazon · 255/40R20
  2. 245/45R19 Best-rated optional on 3 trims · USA, Japan, Europe
    Check price on Amazon · 245/45R19
  3. 255/35R21 Best-rated optional on 3 trims · USA, Japan, Europe
    Check price on Amazon · 255/35R21

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Trims sold in 2021
3
Generation
C8 sold in 3 market versions

3 trims sold in 2021

Sold in 3 market versions. Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

Audi S6 C8

2019–2023 3 trims

Europe

1 trim
S6 S6 TDi quattro 339 hp · 3.0L V6 · Diesel 255/40R20 101Y 3 fitments
Generation
C8 · 2019–2023
Market
Europe
Power
339 hp
Engine
3.0L V6, Diesel
Center bore
66.5 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/40R20 Wheels 20x8.5 ET43 · 5x112 · 66.5 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/40R20 101YRim 20x8.5 ET43 5x112–
245/45R19 102VRim 19x8 ET39 5x112–
255/35R21 98YRim 21x8.5 ET43 5x112–

How to read 101Y: 101 is the load index (up to 1,819 lb / 825 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET43 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Japan

1 trim
S6 2.9 TFSi quattro (3AA-F2DKML) 444 hp · 2.9L DKM V6 255/40R20 101Y 3 fitments
Generation
C8 · 2019–2023
Market
Japan
Power
444 hp
Engine
2.9L DKM V6, Petrol
Center bore
66.5 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/40R20 Wheels 20x8.5 ET43 · 5x112 · 66.5 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/40R20 101YRim 20x8.5 ET43 5x112–
245/45R19 102VRim 19x8 ET39 5x112–
255/35R21 98YRim 21x8.5 ET43 5x112–

How to read 101Y: 101 is the load index (up to 1,819 lb / 825 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET43 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

USA

1 trim
S6 2.9 TFSi quattro 444 hp · 2.9L V6 255/40R20 101Y 3 fitments
Generation
C8 · 2019–2023
Market
USA
Power
444 hp
Engine
2.9L V6, Petrol
Center bore
66.5 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/40R20 Wheels 20x8.5 ET43 · 5x112 · 66.5 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/40R20 101YRim 20x8.5 ET43 5x112–
245/45R19 102VRim 19x8 ET39 5x112–
255/35R21 98YRim 21x8.5 ET43 5x112–

How to read 101Y: 101 is the load index (up to 1,819 lb / 825 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET43 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

What these columns mean
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 2021
3
Generation
C8 sold in 3 market versions
Other years
All years (1994–2025)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

Open the size calculator

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