2010 Audi A8 Wheel Offset

ET45 · ET43 · ET30 · ET28 · ET33 · ET37

Quick specs

OEM offset: ET45 · ET43 · ET30 · ET28 · ET33 · ET37
Wheel size: Multiple — see configurations
Backspacing: 6.02 in · 5.94 in · 5.18 in · 5.10 in · 5.80 in · 5.96 in
Bolt pattern: 5×112
Center bore: 57.1 mm, 66.5 mm
Tire size: Multiple — see configurations

OEM configurations

Configuration	Rim	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
3.0TDi · 3.0L, V6, Diesel	8x17	ET30	5.18 in	235/60R17	5x112	66.5 mm	M14 x 1.5
3.0TDi · 3.0L, V6, Diesel	8x18	ET28	5.10 in	235/55R18	5x112	66.5 mm	M14 x 1.5
3.0TDi · 3.0L, V6, Diesel	8x19	ET30	5.18 in	235/50R19	5x112	66.5 mm	M14 x 1.5
3.0TFSi · 3.0L, V6, Petrol	8x17	ET30	5.18 in	235/60R17	5x112	66.5 mm	M14 x 1.5
3.0TFSi · 3.0L, V6, Petrol	8x18	ET28	5.10 in	235/55R18	5x112	66.5 mm	M14 x 1.5
3.0TFSi · 3.0L, V6, Petrol	8x19	ET30	5.18 in	235/50R19	5x112	66.5 mm	M14 x 1.5
4.2TDi · 4.2L, V8, Diesel	8x18	ET28	5.10 in	235/55R18	5x112	66.5 mm	M14 x 1.5
4.2TDi · 4.2L, V8, Diesel	9x19	ET33	5.80 in	255/45R19	5x112	66.5 mm	M14 x 1.5
4.2TDi · 4.2L, V8, Diesel	9x20	ET37	5.96 in	265/40R20	5x112	66.5 mm	M14 x 1.5

See how a different wheel would sit See wheel backspacing

What happens if you change the offset?

Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

OEM baseline

Open full fitment calculator

Wheels and hardware for this vehicle

Lug hardware

Wheel locks

Real-World 2010 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:

20-inch — 1 documented build
22-inch — 1 documented build

2 documented builds.

Staggered · 22×? / Rear unknown

Documented on a 2010 Audi A8 build — observed custom fitment, not a universal fit guarantee.

Wheel: Savini BM13

Front: 22×?
Rear: —

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

Staggered · 20×? / Rear unknown

Documented on a 2010 Audi A8 build — observed custom fitment, not a universal fit guarantee.

Wheel: Savini BM11

Front: 20×?
Rear: —

Compared with OEM

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

View full build on Modified1

More specs for the 2010 Audi A8

OEM offsets are catalog configurations, not an aftermarket “safe ET range.” Matching offset alone does not confirm clearance. Documented custom builds are observed setups only.