tirewheelguide

2021 Audi A8 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2021 trim.

Tires for the 2021 Audi A8

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

  1. 235/55R18 Best-rated standard on 10 trims · optional on 9 · Europe, Japan
    Check price on Amazon · 235/55R18
  2. 255/45R19 Best-rated standard on 5 trims · optional on 14 · Europe, Japan
    Check price on Amazon · 255/45R19
  3. 265/40R20 Best-rated standard on 2 trims · optional on 17 · Europe, Japan
    Check price on Amazon · 265/40R20

Also listed: 235/60R17 235/50R19 265/35R21 275/35R21

TireWheelGuide may earn a commission from purchases made through these links.

Trims sold in 2021
19
Generation
D5 sold in 2 market versions

19 trims sold in 2021

Sold in 2 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

Audi A8 D5

2018–2027 19 trims

Europe

16 trims
A8 50 TDi quattro +3 variants 282 hp · 3.0L DDVC V6 · Diesel 235/55R18 104Y 9 fitments

Same tires and wheels on: L 50 TDi quattro, 45 TDi quattro, L 45 TDi quattro

Generation
D5 Facelift · 2021–2027
Market
Europe
Power
282 hp
Engine
3.0L DDVC V6, Diesel
Center bore
66.5 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 235/55R18 Wheels 18x8 ET29 · 5x112 · 66.5 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/55R18 104YRim 18x8 ET29 5x112–
235/60R17 106WRim 17x8 ET29 5x112–
235/55R18 104HRim 18x8 ET29 5x112–
235/50R19 103HRim 19x8 ET32 5x112–
255/45R19 104YRim 19x9 ET34 5x112–
265/40R20 104YRim 20x9 ET37 5x112–
265/40R20 104VRim 20x9 ET40 5x112–
265/35R21 101YRim 21x9 ET37 5x112–
275/35R21 103YRim 21x9 ET37 5x112–

How to read 104Y: 104 is the load index (up to 1,984 lb / 900 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET29 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A8 55 TFSi quattro +3 variants 335 hp · 3.0L CZSE V6 235/55R18 104Y 8 fitments

Same tires and wheels on: L 55 TFSi quattro

Generation
D5 Facelift · 2021–2027
Market
Europe
Power
335 hp
Engine
3.0L CZSE V6, Petrol
Center bore
66.5 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 235/55R18 Wheels 18x8 ET29 · 5x112 · 66.5 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/55R18 104YRim 18x8 ET29 5x112–
235/55R18 104HRim 18x8 ET29 5x112–
235/50R19 103HRim 19x8 ET32 5x112–
255/45R19 104YRim 19x9 ET34 5x112–
265/40R20 104YRim 20x9 ET37 5x112–
265/40R20 104VRim 20x9 ET40 5x112–
265/35R21 101YRim 21x9 ET37 5x112–
275/35R21 103YRim 21x9 ET37 5x112–

How to read 104Y: 104 is the load index (up to 1,984 lb / 900 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET29 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A8 60 TFSi quattro +1 variant 453 hp · 4.0L CXY V8 255/45R19 104Y 8 fitments

Same tires and wheels on: L 60 TFSi quattro

Generation
D5 Facelift · 2021–2027
Market
Europe
Power
453 hp
Engine
4.0L CXY V8, Petrol
Center bore
66.5 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/45R19 Wheels 19x9 ET34 · 5x112 · 66.5 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/45R19 104YRim 19x9 ET34 5x112–
235/55R18 104YRim 18x8 ET29 5x112–
235/55R18 104HRim 18x8 ET29 5x112–
235/50R19 103HRim 19x8 ET32 5x112–
265/40R20 104YRim 20x9 ET37 5x112–
265/40R20 104VRim 20x9 ET40 5x112–
265/35R21 101YRim 21x9 ET37 5x112–
275/35R21 103YRim 21x9 ET37 5x112–

How to read 104Y: 104 is the load index (up to 1,984 lb / 900 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET34 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A8 50 TDi quattro +1 variant 282 hp · 3.0L DDVC V6 · Diesel 235/60R17 106W 9 fitments

Same tires and wheels on: L 50 TDi quattro

Generation
D5 · 2018–2021
Market
Europe
Power
282 hp
Engine
3.0L DDVC V6, Diesel
Center bore
66.5 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 235/60R17 Wheels 17x8 ET29 · 5x112 · 66.5 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/60R17 106WRim 17x8 ET29 5x112–
235/55R18 104YRim 18x8 ET29 5x112–
235/55R18 104HRim 18x8 ET29 5x112–
235/50R19 103HRim 19x8 ET32 5x112–
255/45R19 104YRim 19x9 ET34 5x112–
265/40R20 104YRim 20x9 ET37 5x112–
265/40R20 104VRim 20x9 ET40 5x112–
265/35R21 101YRim 21x9 ET37 5x112–
275/35R21 103YRim 21x9 ET37 5x112–

How to read 106W: 106 is the load index (up to 2,094 lb / 950 kg per tire) and W the speed rating (up to 168 mph / 270 km/h). ET29 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A8 60 TFSi e quattro +1 variant 443 hp · 3.0L V6 · Hybrid 255/45R19 104Y 8 fitments

Same tires and wheels on: L 60 TFSi e quattro

Generation
D5 · 2018–2021
Market
Europe
Power
443 hp
Engine
3.0L V6, Hybrid
Center bore
66.5 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/45R19 Wheels 19x9 ET34 · 5x112 · 66.5 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/45R19 104YRim 19x9 ET34 5x112–
265/40R20 104YRim 20x9 ET37 5x112–
235/55R18 104YRim 18x8 ET29 5x112–
235/55R18 104HRim 18x8 ET29 5x112–
235/50R19 103HRim 19x8 ET32 5x112–
265/40R20 104VRim 20x9 ET40 5x112–
265/35R21 101YRim 21x9 ET37 5x112–
275/35R21 103YRim 21x9 ET37 5x112–

How to read 104Y: 104 is the load index (up to 1,984 lb / 900 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET34 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A8 60 TFSi quattro +1 variant 453 hp · 4.0L CXY V8 235/55R18 104Y 8 fitments

Same tires and wheels on: L 60 TFSi quattro

Generation
D5 · 2018–2021
Market
Europe
Power
453 hp
Engine
4.0L CXY V8, Petrol
Center bore
66.5 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 235/55R18 Wheels 18x8 ET29 · 5x112 · 66.5 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/55R18 104YRim 18x8 ET29 5x112–
255/45R19 104YRim 19x9 ET34 5x112–
235/55R18 104HRim 18x8 ET29 5x112–
235/50R19 103HRim 19x8 ET32 5x112–
265/40R20 104YRim 20x9 ET37 5x112–
265/40R20 104VRim 20x9 ET40 5x112–
265/35R21 101YRim 21x9 ET37 5x112–
275/35R21 103YRim 21x9 ET37 5x112–

How to read 104Y: 104 is the load index (up to 1,984 lb / 900 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET29 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Japan

3 trims
A8 55 TFSi quattro (3AA-F8CZSF) 335 hp · 3.0L CZS V6 255/45R19 104Y 7 fitments
Generation
D5 · 2018–2021
Market
Japan
Power
335 hp
Engine
3.0L CZS V6, Petrol
Center bore
66.5 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 255/45R19 Wheels 19x9 ET34 · 5x112 · 66.5 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/45R19 104YRim 19x9 ET34 5x112–
235/55R18 104HRim 18x8 ET29 5x112–
235/50R19 103HRim 19x8 ET32 5x112–
265/40R20 104YRim 20x9 ET37 5x112–
265/40R20 104VRim 20x9 ET40 5x112–
265/35R21 101YRim 21x9 ET37 5x112–
275/35R21 103YRim 21x9 ET37 5x112–

How to read 104Y: 104 is the load index (up to 1,984 lb / 900 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET34 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A8 60 TFSi quattro (3AA-F8CXYF) +1 variant 453 hp · 4.0L CXY V8 265/40R20 104Y 7 fitments

Same tires and wheels on: L 60 TFSi quattro (3AA-F8CXYL)

Generation
D5 · 2018–2021
Market
Japan
Power
453 hp
Engine
4.0L CXY V8, Petrol
Center bore
66.5 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Check price on Amazon · 265/40R20 Wheels 20x9 ET37 · 5x112 · 66.5 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
265/40R20 104YRim 20x9 ET37 5x112–
235/55R18 104HRim 18x8 ET29 5x112–
235/50R19 103HRim 19x8 ET32 5x112–
255/45R19 104YRim 19x9 ET34 5x112–
265/40R20 104VRim 20x9 ET40 5x112–
265/35R21 101YRim 21x9 ET37 5x112–
275/35R21 103YRim 21x9 ET37 5x112–

How to read 104Y: 104 is the load index (up to 1,984 lb / 900 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET37 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
19
Generation
D5 sold in 2 market versions
Other years
All years (1994–2027)

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