2008 Acura RL Wheel Offset

Quick specs

Wheel size: 8x17 · 8x18 · 8.5x19 · 9x19
Offset: ET55 · ET50 · ET45
Backspacing: 6.17 in · 6.22 in · 6.27 in
Bolt pattern: 5×120
Center bore: 64.1 mm
Thread: M14×1.5
Tire size: 245/50R17 · 245/45R18 · 245/40R19 · 255/40R19

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
3.5i · V6, Petrol	8x17	ET55	6.17 in	245/50R17	5x120	64.1 mm	M14 x 1.5
3.5i · V6, Petrol	8x18	ET55	6.17 in	245/45R18	5x120	64.1 mm	M14 x 1.5
3.5i · V6, Petrol	8.5x19	ET50	6.22 in	245/40R19	5x120	64.1 mm	M14 x 1.5
3.5i · V6, Petrol	9x19	ET45	6.27 in	255/40R19	5x120	64.1 mm	M14 x 1.5

Lug hardware

Real-World 2008 Acura RL 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 — 1 documented build

1 documented build.

Staggered · 18×8.5 ET30 / 18×9.5 ET34

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

Front: 18×8.5 ET30 · 245/40R18
Rear: 18×9.5 ET34 · 255/35R18

Compared with OEM

Compared with the 18×8 ET55 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 31.3 mm farther toward fender (more outward poke)
Inner edge 18.7 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

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More specs for the 2008 Acura RL

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.