ET45 · ET50
| 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 |
See how a different wheel would sit See wheel backspacing
See how a different width or offset sits versus an OEM configuration for this year.
Gorilla Automotive 21133BC Small Diameter Acorn Black 5 Lug Kit (12mm x 1.50 Thread Size) - Pack of 20
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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White Knight 1707SBK-20AM Black Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Pack
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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White Knight 1707S-20AM Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Pack
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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McGard 24157 Chrome Cone Seat Wheel Locks (M12 x 1.5 Thread Size) - Set of 4
Confirmed vehicle catalog match. Confirm seat style for your wheel.
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Gorilla Automotive Wheel Locks With Washer (M12x1.50)
M12 x 1.5 · lock
Matches M12 x 1.5 — confirm seat style for your wheel
Check price on AmazonObserved aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.
Among builds in our database for this model year:
5 documented builds.
Documented on a 2007 Acura RDX build — observed custom fitment, not a universal fit guarantee.
Wheel: XXR
Compared with the 18×7.5 ET45 OEM configuration. Calculated geometry only — not fit confirmation.
Documented on a 2007 Acura RDX build — observed custom fitment, not a universal fit guarantee.
Compared with the 19×8 ET50 OEM configuration. Calculated geometry only — not fit confirmation.
Documented on a 2007 Acura RDX build — observed custom fitment, not a universal fit guarantee.
Wheel: TSW Vortex
Compared with the 20×8 ET50 OEM configuration. Calculated geometry only — not fit confirmation.
Documented on a 2007 Acura RDX build — observed custom fitment, not a universal fit guarantee.
Wheel: TSW
Compared with the 20×8 ET50 OEM configuration. Calculated geometry only — not fit confirmation.
Documented on a 2007 Acura RDX build — observed custom fitment, not a universal fit guarantee.
Wheel: Enkei GF1
Compared with the 18×7.5 ET45 OEM configuration. Calculated geometry only — not fit confirmation.
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.