2003 Audi A8 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2003 trim.

Tires for the 2003 Audi A8

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

  1. 255/45R18 Best-rated standard on 4 trims · optional on 3 · Europe
  2. 235/55R17 Best-rated standard on 4 trims · Europe
  3. 255/40R19 Best-rated standard on 1 trim · optional on 4 · Europe

Also listed: 245/45R18 255/35R20 255/50R17 235/50R18 265/35R20 235/45R19 245/40R19 275/35R20

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Trims sold in 2003
10
Generations
D3D2 sold in 2 market versions

10 trims sold in 2003

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 D3

2002–2009 Europe 9 trims
A8 2.8FSi 209 hp · 2.8L V6 235/55R17 101W 3 fitments
Generation
D3 · 2002–2009
Market
Europe
Power
209 hp
Engine
2.8L V6, Petrol
Center bore
57.1 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
235/55R17 101WRim 17x7.5 ET40 5x11232 psi
235/50R18 101WRim 18x8 ET43 5x11233 psi
235/45R19 100YRim 19x8 ET43 5x11236 psi

How to read 101W: 101 is the load index (up to 1,819 lb / 825 kg per tire) and W the speed rating (up to 168 mph / 270 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A8 3.0i 217 hp · 3.0L ASN V6 235/55R17 101W 3 fitments
Generation
D3 · 2002–2009
Market
Europe
Power
217 hp
Engine
3.0L ASN V6, Petrol
Center bore
57.1 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
235/55R17 101WRim 17x8 ET43 5x11232 psi
235/50R18 101WRim 18x8 ET43 5x11233 psi
255/45R18 100YRim 18x8.5 ET45 5x11236 psi

How to read 101W: 101 is the load index (up to 1,819 lb / 825 kg per tire) and W the speed rating (up to 168 mph / 270 km/h). ET43 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A8 3.0TDi +1 variant 247 hp · V6 · Diesel 235/55R17 101W 3 fitments

2 versions of this trim share these tires and wheels.

Generation
D3 · 2002–2009
Market
Europe
Power
247 hp
Engine
V6, Diesel
Center bore
57.1 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
235/55R17 101WRim 17x8 ET43 5x11232 psi
255/50R17 101WRim 17x8 ET43 5x11233 psi
255/45R18 100YRim 18x8.5 ET45 5x11236 psi

How to read 101W: 101 is the load index (up to 1,819 lb / 825 kg per tire) and W the speed rating (up to 168 mph / 270 km/h). ET43 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A8 3.2FSi 256 hp · 3.1L BPK V6 255/45R18 100Y 3 fitments
Generation
D3 · 2002–2009
Market
Europe
Power
256 hp
Engine
3.1L BPK V6, Petrol
Center bore
57.1 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
255/45R18 100YRim 18x8.5 ET45 5x11236 psi
255/40R19 100YRim 19x8.5 ET45 5x11236 psi
255/35R20 99ZRim 20x8.5 ET43 5x11239 psi

How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET45 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A8 3.7i 276 hp · 3.7L BFL V8 255/45R18 100Y 3 fitments
Generation
D3 · 2002–2009
Market
Europe
Power
276 hp
Engine
3.7L BFL V8, Petrol
Center bore
57.1 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
255/45R18 100YRim 18x8.5 ET45 5x11236 psi
255/40R19 100YRim 19x9 ET42 5x11236 psi
265/35R20 99ZRim 20x9 ET46 5x11239 psi

How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET45 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A8 4.0TDi 271 hp · 3.9L ASE V8 · Diesel 255/45R18 100Y 3 fitments
Generation
D3 · 2002–2009
Market
Europe
Power
271 hp
Engine
3.9L ASE V8, Diesel
Center bore
57.1 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
255/45R18 100YRim 18x8.5 ET45 5x11236 psi
255/40R19 100WRim 19x8.5 ET45 5x11236 psi
255/35R20 99ZRim 20x9 ET46 5x11239 psi

How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET45 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A8 4.2TDi 322 hp · V8 · Diesel 255/45R18 100Y 3 fitments
Generation
D3 · 2002–2009
Market
Europe
Power
322 hp
Engine
V8, Diesel
Center bore
57.1 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
255/45R18 100YRim 18x8.5 ET45 5x11236 psi
255/40R19 100YRim 19x8.5 ET45 5x11236 psi
265/35R20 100YRim 20x9 ET45 5x11239 psi

How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET45 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

A8 6.0i 444 hp · 6.0L W12 255/40R19 100Y 3 fitments
Generation
D3 · 2002–2009
Market
Europe
Power
444 hp
Engine
6.0L W12, Petrol
Center bore
57.1 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
255/40R19 100YRim 19x9 ET42 5x11236 psi
255/35R20 99ZRim 20x9 ET41 5x11239 psi
275/35R20 99ZRim 20x9 ET46 5x11239 psi

How to read 100Y: 100 is the load index (up to 1,764 lb / 800 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET42 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Audi A8 D2

1994–2002 USA 1 trim
A8 4.2i 306 hp · 4.2L V8 245/45R18 97W 2 fitments
Generation
D2 · 1994–2002
Market
USA
Power
306 hp
Engine
4.2L V8, Petrol
Center bore
57.1 mm
Bolt pattern
5x112
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
245/45R18 97WRim 18x8 ET48 5x11235 psi
245/40R19 96YRim 19x8.5 ET43 5x11236 psi

How to read 97W: 97 is the load index (up to 1,609 lb / 730 kg per tire) and W the speed rating (up to 168 mph / 270 km/h). ET48 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 2003
10
Generations
D3D2 sold in 2 market versions
Other years
All years (1994–2027)

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