2008 Acura RDX Wheel Offset

Quick specs

Wheel size: 7.5x18 · 8x19 · 8x20
Offset: ET45 · ET50
Backspacing: 5.52 in · 5.97 in
Bolt pattern: 5×114.3
Center bore: 64.1 mm
Thread: M12×1.5
Tire size: 235/55R18 · 235/50R19 · 245/45R20

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
2.3i Turbo · K23A, I4, Petrol	7.5x18	ET45	5.52 in	235/55R18	5x114.3	64.1 mm	M12 x 1.5
2.3i Turbo · K23A, I4, Petrol	8x19	ET50	5.97 in	235/50R19	5x114.3	64.1 mm	M12 x 1.5
2.3i Turbo · K23A, I4, Petrol	8x20	ET50	5.97 in	245/45R20	5x114.3	64.1 mm	M12 x 1.5

Lug hardware

Wheel locks

Real-World 2008 Acura RDX 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:

20-inch — 3 documented builds
19-inch — 2 documented builds
18-inch — 1 documented build

6 documented builds.

Diameter

Staggered · 20×? / Rear unknown

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

Wheel: RTX

Front: 20×? · 245/45R20
Rear: —

Compared with OEM

Compared with the 20×8 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 19×? / Rear unknown

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

Wheel: RonJon Legends

Front: 19×? · 245/45R19
Rear: —

Compared with OEM

Compared with the 19×8 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 20×? / Rear unknown

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

Wheel: Axis Matrix

Front: 20×? · 255/40R20
Rear: —

Compared with OEM

Compared with the 20×8 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 19×? / Rear unknown

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

Wheel: RonJon Legends

Front: 19×?
Rear: —

Compared with OEM

Compared with the 19×8 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 20×? / Rear unknown

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

Wheel: RTX

Front: 20×? · 245/45R20
Rear: —

Compared with OEM

Compared with the 20×8 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 18×? / Rear unknown

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

Wheel: RonJon Legends

Front: 18×?
Rear: —

Compared with OEM

Compared with the 18×7.5 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

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 2008 Acura RDX

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.