2005 Acura TSX Wheel Offset

ET55 · ET50

Quick specs

OEM offset: ET55 · ET50
Wheel size: 7x17 · 7.5x17 · 8x18 · 7.5x18
Backspacing: 5.67 in · 5.92 in · 5.97 in
Bolt pattern: 5×114.3
Center bore: 64.1 mm
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

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

OEM baseline

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Wheels and hardware for this vehicle

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

More specs for the 2005 Acura TSX

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.