2008 Audi S5 Wheel Offset

Quick specs

Wheel size: 8.5x18 · 8.5x19 · 9x19 · 9x20
Offset: ET29 · ET32 · ET33
Backspacing: 5.39 in · 5.51 in · 5.80 in · 5.64 in
Bolt pattern: 5×112
Center bore: 66.6 mm, 66.5 mm
Thread: M14×1.5
Tire size: 245/40R18 · 255/35R19 · 265/30R20

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Showing matching bolt patterns and offsets up to 30 mm lower. Confirm center bore, load rating, and clearance at Tire Rack.

Configuration

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OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
4.2 FSi · 4.2L, CAUA, V8, Petrol	8.5x18	—	ET29	5.39 in	245/40R18	5x112	66.5 mm	M14 x 1.5
4.2 FSi · 4.2L, CAUA, V8, Petrol	8.5x19	—	ET32	5.51 in	255/35R19	5x112	66.5 mm	M14 x 1.5
4.2 FSi · 4.2L, CAUA, V8, Petrol	9x19	—	ET33	5.80 in	255/35R19	5x112	66.5 mm	M14 x 1.5
4.2 FSi · 4.2L, CAUA, V8, Petrol	9x20	10x20	ET29 / ET34	5.64 in	265/30R20	5x112	66.5 mm	M14 x 1.5

Wheels and hardware

Lug hardware

Real-World 2008 Audi S5 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 — 2 documented builds

2 documented builds.

Staggered · 20×9 / 20×10.5

Documented on a 2008 Audi S5 build — observed custom fitment, not a universal fit guarantee.

Wheel: D2FORGED VS6 BBC

Front: 20×9
Rear: 20×10.5

Compared with OEM

Compared with the 20×9 ET29 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 20×9 / 20×10.5

Documented on a 2008 Audi S5 build — observed custom fitment, not a universal fit guarantee.

Wheel: D2FORGED VS1

Front: 20×9
Rear: 20×10.5

Compared with OEM

Compared with the 20×9 ET29 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Compare your own setup

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

OEM baseline

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More specs for the 2008 Audi S5

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.