2004 Audi A8 Wheel Offset

Quick specs

Wheel size: Multiple — see configurations
Offset: Multiple — see configurations
Backspacing: Multiple — see configurations
Bolt pattern: 5x112
Center bore: 57.1 mm
Thread: M14 x 1.5
Tire size: Multiple — see configurations

OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
4.2i · 4.2L, V8, Petrol	8.5x18	—	ET45	6.02 in	255/45R18	5x112	57.1 mm	M14 x 1.5
4.2i · 4.2L, V8, Petrol	8.5x19	—	ET45	6.02 in	255/40R19	5x112	57.1 mm	M14 x 1.5
4.2i · 4.2L, V8, Petrol	8.5x20	—	ET43	5.94 in	255/35R20	5x112	57.1 mm	M14 x 1.5
2.8FSi · 2.8L, V6, Petrol	7.5x17	8x19	ET40 / ET43	5.32 in	235/55R17 / 235/45R19	5x112	57.1 mm	M14 x 1.5
2.8FSi · 2.8L, V6, Petrol	8x18	8x19	ET43	5.69 in	235/50R18 / 235/45R19	5x112	57.1 mm	M14 x 1.5
3.0TDi · 3.0L, V6, Diesel	8x17	—	ET43	5.69 in	235/55R17	5x112	57.1 mm	M14 x 1.5
3.0TDi · 3.0L, V6, Diesel	8x17	—	ET43	5.69 in	255/50R17	5x112	57.1 mm	M14 x 1.5
3.0TDi · 3.0L, V6, Diesel	8.5x18	—	ET45	6.02 in	255/45R18	5x112	57.1 mm	M14 x 1.5
3.0i · 3.0L, ASN, V6, Petrol	8x17	—	ET43	5.69 in	235/55R17	5x112	57.1 mm	M14 x 1.5
3.0i · 3.0L, ASN, V6, Petrol	8x18	—	ET43	5.69 in	235/50R18	5x112	57.1 mm	M14 x 1.5
3.0i · 3.0L, ASN, V6, Petrol	8.5x18	—	ET45	6.02 in	255/45R18	5x112	57.1 mm	M14 x 1.5
3.2FSi · 3.1L, BPK, V6, Petrol	8.5x18	—	ET45	6.02 in	255/45R18	5x112	57.1 mm	M14 x 1.5
3.2FSi · 3.1L, BPK, V6, Petrol	8.5x19	—	ET45	6.02 in	255/40R19	5x112	57.1 mm	M14 x 1.5
3.2FSi · 3.1L, BPK, V6, Petrol	8.5x20	—	ET43	5.94 in	255/35R20	5x112	57.1 mm	M14 x 1.5
3.7i · 3.7L, BFL, V8, Petrol	8.5x18	—	ET45	6.02 in	255/45R18	5x112	57.1 mm	M14 x 1.5
3.7i · 3.7L, BFL, V8, Petrol	9x19	—	ET42	6.15 in	255/40R19	5x112	57.1 mm	M14 x 1.5
3.7i · 3.7L, BFL, V8, Petrol	9x20	—	ET46	6.31 in	265/35R20	5x112	57.1 mm	M14 x 1.5
4.0TDi · 3.9L, ASE, V8, Diesel	8.5x18	—	ET45	6.02 in	255/45R18	5x112	57.1 mm	M14 x 1.5
4.0TDi · 3.9L, ASE, V8, Diesel	8.5x19	—	ET45	6.02 in	255/40R19	5x112	57.1 mm	M14 x 1.5
4.0TDi · 3.9L, ASE, V8, Diesel	9x20	—	ET46	6.31 in	255/35R20	5x112	57.1 mm	M14 x 1.5
4.2TDi · V8, Diesel	8.5x18	—	ET45	6.02 in	255/45R18	5x112	57.1 mm	M14 x 1.5
4.2TDi · V8, Diesel	8.5x19	—	ET45	6.02 in	255/40R19	5x112	57.1 mm	M14 x 1.5
4.2TDi · V8, Diesel	9x20	—	ET45	6.27 in	265/35R20	5x112	57.1 mm	M14 x 1.5
6.0i · 6.0L, W12, Petrol	9x19	—	ET42	6.15 in	255/40R19	5x112	57.1 mm	M14 x 1.5
6.0i · 6.0L, W12, Petrol	9x20	—	ET41	6.11 in	255/35R20	5x112	57.1 mm	M14 x 1.5
6.0i · 6.0L, W12, Petrol	9x20	—	ET46	6.31 in	275/35R20	5x112	57.1 mm	M14 x 1.5

Lug hardware

Real-World 2004 Audi A8 Wheel Setups

Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.

Common custom wheel sizes

Among builds in our database for this model year:

22-inch — 1 documented build

1 documented build.

Staggered · 22×9 / 22×10.5

Documented on a 2004 Audi A8 build — observed custom fitment, not a universal fit guarantee.

Wheel: AC 818

Front: 22×9 · 245/30R22
Rear: 22×10.5 · 295/25R22

Compared with OEM

Compared with the 20×8.5 ET43 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

More specs for the 2004 Audi A8

Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.