2005 Acura RSX Wheel Offset

Quick specs

Wheel size: Multiple — see configurations
Offset: ET45 · ET42
Backspacing: 5.02 in · 5.27 in · 5.52 in · 5.40 in
Bolt pattern: 5×114.3
Center bore: 64.1 mm
Thread: M12×1.5
Tire size: Multiple — see configurations

OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
2.0i · I4, Petrol	6.5x16	6.5x17	ET45	5.02 in	205/55R16 / 205/50R17	5x114.3	64.1 mm	M12 x 1.5
2.0i · I4, Petrol	7x18	6.5x17	ET45	5.27 in	205/45R18 / 205/50R17	5x114.3	64.1 mm	M12 x 1.5
2.0i Type S · I4, Petrol	7x17	—	ET45	5.27 in	215/45R17	5x114.3	64.1 mm	M12 x 1.5
2.0i Type S · I4, Petrol	7.5x17	—	ET45	5.52 in	225/45R17	5x114.3	64.1 mm	M12 x 1.5
2.0i Type S · I4, Petrol	7.5x18	—	ET42	5.40 in	225/40R18	5x114.3	64.1 mm	M12 x 1.5

Wheels and hardware

Lug hardware

Wheel locks

Real-World 2005 Acura RSX 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:

17-inch — 2 documented builds
18-inch — 2 documented builds

4 documented builds.

Staggered · 18×9 ET12 / 18×10 ET25

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

Wheel: Motegi togue

Front: 18×9 ET12 · 215/40R18
Rear: 18×10 ET25 · 245/40R18

Compared with OEM

Compared with the 18×7 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 58.4 mm farther toward fender (more outward poke)
Inner edge 7.6 mm farther from suspension (more inner clearance)
Width +2" vs OEM

View full build on Modified1

Staggered · 18×11 ET18 / 18×9.5 ET22

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

Wheel: Volk TE37 SL

Front: 18×11 ET18 · 295/30R18
Rear: 18×9.5 ET22 · 245/40R18

Compared with OEM

Compared with the 18×7 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 77.8 mm farther toward fender (more outward poke)
Inner edge 23.8 mm closer to suspension (less inner clearance)
Width +4" vs OEM

View full build on Modified1

Staggered · 17×8 ET35 / Rear unknown

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

Wheel: Rota Boost

Front: 17×8 ET35
Rear: —

Compared with OEM

Compared with the 17×7 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 22.7 mm farther toward fender (more outward poke)
Inner edge 2.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 17×7.5 ET48 / Rear unknown

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

Wheel: Rota Subzero

Front: 17×7.5 ET48
Rear: —

Compared with OEM

Compared with the 17×7 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 3.4 mm farther toward fender (more outward poke)
Inner edge 9.4 mm closer to suspension (less 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 2005 Acura RSX

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.