2003 Acura RSX Wheel Offset

Quick specs

Wheel size: Multiple — see configurations
Offset: ET45
Backspacing: 5.02 in · 5.27 in · 5.52 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	6.5x16	—	ET45	5.02 in	205/55R16	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	7.5x18	—	ET45	5.52 in	225/40R18	5x114.3	64.1 mm	M12 x 1.5

Wheels and hardware

Lug hardware

Wheel locks

Real-World 2003 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:

18-inch — 3 documented builds
17-inch — 1 documented build

4 documented builds.

Staggered · 18×8 ET35 / 18×9 ET40

Documented on a 2003 Acura RSX build — observed custom fitment, not a universal fit guarantee.

Wheel: bbs rs

Front: 18×8 ET35 · 215/40R18
Rear: 18×9 ET40 · 225/40R18

Compared with OEM

Compared with the 18×7 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 · 18×7.5 ET30 / Rear unknown

Documented on a 2003 Acura RSX build — observed custom fitment, not a universal fit guarantee.

Wheel: Rays Engineering Volk Racing TE37

Front: 18×7.5 ET30 · 225/40R18
Rear: —

Compared with OEM

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

Outer edge 21.4 mm farther toward fender (more outward poke)
Inner edge 8.6 mm farther from suspension (more inner clearance)
Width +0.5" vs OEM

View full build on Modified1

Staggered · 17×8.5 ET37 / 17×7.5 ET31

Documented on a 2003 Acura RSX build — observed custom fitment, not a universal fit guarantee.

Wheel: Advan TC-II

Front: 17×8.5 ET37 · 245/40R17
Rear: 17×7.5 ET31 · 215/45R17

Compared with OEM

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

Outer edge 27 mm farther toward fender (more outward poke)
Inner edge 11.1 mm closer to suspension (less inner clearance)
Width +1.5" vs OEM

View full build on Modified1

Staggered · 18×9 ET20 / Rear unknown

Documented on a 2003 Acura RSX build — observed custom fitment, not a universal fit guarantee.

Wheel: ccw classic

Front: 18×9 ET20 · 215/40R18
Rear: —

Compared with OEM

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

Outer edge 50.4 mm farther toward fender (more outward poke)
Inner edge 0.4 mm closer to suspension (less inner clearance)
Width +2" 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 2003 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.