2005 Acura TSX Wheel Offset

Quick specs

Wheel size: 7x17 · 7.5x17 · 8x18 · 7.5x18
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 · 235/40R18 · 225/45R18

OEM configurations

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

Wheels and hardware

Lug hardware

Wheel locks

Real-World 2005 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 — 4 documented builds
19-inch — 1 documented build

5 documented builds.

Diameter

Staggered · 18×9 ET32 / Rear unknown

Documented on a 2005 Acura TSX build — observed custom fitment, not a universal fit guarantee.

Wheel: SSR Type-F

Front: 18×9 ET32 · 225/40R18
Rear: —

Compared with OEM

Compared with the 18×8 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 30.7 mm farther toward fender (more outward poke)
Inner edge 5.3 mm farther from suspension (more inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 18×7.5 ET42 / 18×8 ET35

Documented on a 2005 Acura TSX build — observed custom fitment, not a universal fit guarantee.

Wheel: Racinghart

Front: 18×7.5 ET42 · 225/40R18
Rear: 18×8 ET35

Compared with OEM

Compared with the 18×8 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 1.7 mm farther toward fender (more outward poke)
Inner edge 14.3 mm farther from suspension (more inner clearance)
Width -0.5" vs OEM

View full build on Modified1

Staggered · 18×8.5 ET30 / Rear unknown

Documented on a 2005 Acura TSX build — observed custom fitment, not a universal fit guarantee.

Wheel: Volk Racing CE28

Front: 18×8.5 ET30 · 225/40R18
Rear: —

Compared with OEM

Compared with the 18×8 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 26.3 mm farther toward fender (more outward poke)
Inner edge 13.7 mm farther from suspension (more inner clearance)
Width +0.5" vs OEM

View full build on Modified1

Staggered · 19×8.5 ET30 / 19×8.5 ET20

Documented on a 2005 Acura TSX build — observed custom fitment, not a universal fit guarantee.

Wheel: Axis Penta

Front: 19×8.5 ET30 · 215/35R19
Rear: 19×8.5 ET20

Compared with OEM

Compared with the 18×8 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 26.3 mm farther toward fender (more outward poke)
Inner edge 13.7 mm farther from suspension (more inner clearance)
Width +0.5" vs OEM
Diameter +1" vs OEM

View full build on Modified1

Staggered · 18×9 ET38 / Rear unknown

Documented on a 2005 Acura TSX build — observed custom fitment, not a universal fit guarantee.

Wheel: CCW CLASSIC

Front: 18×9 ET38 · 225/40R18
Rear: —

Compared with OEM

Compared with the 18×8 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 24.7 mm farther toward fender (more outward poke)
Inner edge 0.7 mm closer to suspension (less inner clearance)
Width +1" 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 2005 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.