2008 Acura TSX Wheel Offset

Quick specs

Wheel size: 7x17 · 7.5x17 · 7.5x18 · 8x18
Offset: ET55 · ET50
Backspacing: 5.67 in · 5.92 in · 5.97 in
Bolt pattern: 5×114.3
Center bore: 64.1 mm
Thread: M12×1.5
Tire size: 215/50R17 · 225/45R17 · 225/40R18 · 235/40R18

Explore wheels at Tire Rack

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	Rim	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
2.4i · I4, Petrol	7x17	ET55	5.67 in	215/50R17	5x114.3	64.1 mm	M12 x 1.5
2.4i · I4, Petrol	7.5x17	ET55	5.92 in	225/45R17	5x114.3	64.1 mm	M12 x 1.5
2.4i · I4, Petrol	7.5x18	ET55	5.92 in	225/40R18	5x114.3	64.1 mm	M12 x 1.5
2.4i · I4, Petrol	8x18	ET50	5.97 in	235/40R18	5x114.3	64.1 mm	M12 x 1.5

Lug hardware

Wheel locks

Real-World 2008 Acura TSX 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:

18-inch — 2 documented builds

2 documented builds.

Staggered · 18×9 ET30 / Rear unknown

Documented on a 2008 Acura TSX build — observed custom fitment, not a universal fit guarantee.

Wheel: TSW Jerez

Front: 18×9 ET30 · 215/40R18
Rear: —

Compared with OEM

Compared with the 18×7.5 ET55 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 44 mm farther toward fender (more outward poke)
Inner edge 5.9 mm farther from suspension (more inner clearance)
Width +1.5" vs OEM

View full build on Modified1

Staggered · 18×8 ET34 / 18×8 ET29

Documented on a 2008 Acura TSX build — observed custom fitment, not a universal fit guarantee.

Wheel: Volk Racing RE30

Front: 18×8 ET34 · 225/40R18
Rear: 18×8 ET29

Compared with OEM

Compared with the 18×7.5 ET55 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 27.3 mm farther toward fender (more outward poke)
Inner edge 14.7 mm farther from suspension (more inner clearance)
Width +0.5" vs OEM

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

Open full fitment calculator

More specs for the 2008 Acura TSX

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.