OEM wheel and tire fitment specs for the 2018 Acura NSX, including bolt pattern (PCD), center bore diameter, thread size, rim diameter, rim width, wheel offset, and backspacing.
Recorded OEM specifications for the 2018 Acura NSX, donor years with overlapping ranges, and a calculator to compare a selected wheel. Range overlap is not a guaranteed fit.
Center-bore records disagree: year-level hub 64.1 mm vs trim range 70.1–70.1 mm. Interchange below does not treat this as an unqualified match.
Thread-only product links are shopping examples, not verified fits. Seat style is not confirmed here. As an Amazon Associate we earn from qualifying purchases.
Donor vehicles with overlapping OEM specs
These are vehicle-year records whose recorded OEM ranges overlap this 2018 Acura NSX. Overlap is not a guarantee that a specific wheel will install. Selected-wheel comparison is in the calculator below.
Evaluated 9 donor years. Listed 9 eligible overlaps (not all evaluated years are compatible). Showing all listed.
Wheel geometryOEM width/offset ranges overlap (not a specific wheel)
Center-bore records disagree (target year-level hub 64.1 mm vs trim range 70.1–70.1 mm; donor year-level hub 70.3 mm vs trim range 70.1–70.1 mm). Unqualified overlap is not claimed until the conflict is resolved.
Compare a donor vehicle or custom wheel against this 2018 Acura NSX. Use Compare in calculator on a donor row above to fill the donor side of this same calculator.
Compare
Compare wheel compatibility between two vehicles
Wheels from (donor vehicle)
Selected Car:
Custom wheel size (optional)
Tip: change values here to simulate custom wheels and immediately see the impact in the comparison below.
Custom tire size (optional)
Installed on (your vehicle)
Selected Car:
2018 Acura NSX
Compare Rims
Specification
Wheels from
Installed on
Result (Click it)
Bolt Pattern
The total number of bolt holes and the diameter of the circle they form.
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5x120
Center Bore
The hole in the center of the wheel that fits over the vehicle’s hub.
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70.1 mm
Thread Size
The size and spacing of the threads on the bolts or nuts that hold the wheel in place.
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M14 x 1.5
Rim Diameter
The wheel diameter in inches that determines which tire sizes will fit.
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19"
Rim Width
The distance between the inner edges of the wheel is measured in inches.
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8.5"
Wheel Offset
How far the wheel sits inward or outward relative to the hub mounting surface.
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55 mm
Backspacing
Shows how much space the wheel takes up toward the inside of the vehicle.
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-
Wheel Fasteners
The type of hardware used to secure the wheel to the vehicle.
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-
Compare Tires
Specification
Wheels from
Installed on
Result (Click it)
Section Width
The width of the tire from sidewall to sidewall, measured in millimeters.
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-
Aspect Ratio
The height of the tire’s sidewall expressed as a percentage of its width.
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-
Diameter
The wheel diameter for which the tire is designed to fit.
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-
Tire Pressure
The recommended air pressure for safe and efficient driving.
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-
Overall Diameter
The total height of the tire and wheel combined affects clearance and speedometer accuracy.
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-
Wheel Fitment Parts for the 2018 Acura NSX
Example products matched to recorded thread, hub, or spacer dimensions. They are not verified fits. Confirm seat style, thickness, and clearance before ordering.
As an Amazon Associate we earn from qualifying purchases. Product availability and pricing may change.
2018 Acura NSX Wheel Fitment, Bolt Pattern, and Offset Guide
You are looking at wheel fitment for a 2018 Acura NSX on wheelinterchange.com. Think of this page as a practical checklist plus a clear mental model for comparing stock specs to potential swaps using the on-page calculator.
1. Misconception
Any 5x120 wheel with close offset will fit a 2018 NSX if the tire size matches.
2. Why it seems true
On paper, bolt pattern and tire size look like the big gates. If those line up and the diameter looks right in photos, it feels like the rest is minor. Many online listings highlight only bolt pattern and overall diameter, so it is easy to assume the rest is small details.
3. What is true
Fitment on the NSX is precise. Bolt pattern is only the start. Center bore, offset, backspacing, caliper clearance, and actual tire diameter all matter together. The 2018 NSX also commonly runs a staggered setup from the factory. The values below reflect a known OEM configuration for this model year. Other trims or the rear axle may differ. If you are planning a full set, confirm both axles against OEM sources and the calculator on this page.
Known OEM fitment details for 2018 Acura NSX
Bolt pattern
5x120
Center bore
64.1 mm
Thread size
M14 x 1.5
Rim diameter
19 in
Rim width
8.5 in
Offset (ET)
55 mm
Backspacing
6.42 in
Tire size
245/35R19
Rule of thumb: the NSX hub is 64.1 mm. A wheel with a larger center bore can work with hub-centric rings. A wheel with a smaller bore will not seat. If your setup differs from the table, use the calculator to compare your custom wheel and tire sizes against the known OEM baseline above.
4. Implications
Offset and backspacing: Too high pushes the wheel inward and can hit the suspension or calipers. Too low pushes it outward and can contact fenders or change steering feel.
Centering: The NSX expects a 64.1 mm hub-centric fit. Rings can center aftermarket wheels with larger bores, which helps reduce vibration.
Brake clearance: The NSX has large calipers. Spoke shape matters. Two wheels with the same numbers can clear very differently.
Tire diameter: The calculator updates tire diameter when you change rim size. Use that to keep overall diameter close to stock, which helps with ABS, traction control, and speedometer accuracy.
Staggered possibility: If your rear setup differs from front, compare axle by axle. The known values here may represent the front axle, and rear sizes may vary by trim or package.
Lug hardware: Thread is M14x1.5. Lug seat type and torque spec can vary. Confirm with the owner’s manual or OEM service info before you torque anything.
5. Quick tests
Use these checks to move from guesswork to confidence.
Calculator comparison: In the tool on this page, set “Installed on” to 2018 Acura NSX. Use the table values above as your baseline. Enter the “Wheels from” donor or your custom wheel and tire sizes. Watch the offset, backspacing, and tire diameter changes, and note inner and outer clearance changes.
Diameter guardrails: Keep overall tire diameter within a small percent of stock for stable handling and electronics. The calculator shows this live, so small changes are easy to track.
Center bore sanity check: If the wheel bore is larger than 64.1 mm, plan for hub-centric rings sized to 64.1 mm. If it is smaller, it will not seat on the hub.
Brake template approach: If available from the wheel maker, compare their caliper clearance template to the NSX brakes. Without a template, test fit and confirm at least a few millimeters of spoke-to-caliper clearance with the wheel torqued.
Lock-to-lock and bump test: After a careful test fit, turn the steering from lock to lock and compress the suspension. Look and listen for any contact at liners or arms.
Hardware check: Match M14x1.5 lug hardware and seat style to the wheel. Torque in a star pattern and recheck after a short shakedown drive.
Unknown rear specs: If your rear axle differs and you do not have the exact OEM numbers, read the door jamb label or owner’s manual, then model the rear in the calculator before buying.
The 2018 Acura NSX uses a 5x120 bolt pattern, 64.1 mm center bore, and M14x1.5 threads. A known OEM configuration is 19x8.5 ET55 with 6.42 in backspacing and a 245/35R19 tire. Other trims and the rear axle may differ. Use the on-page calculator to compare any donor wheel or custom size against these numbers, then test fit for caliper and fender clearance. This mental model keeps the process simple and safe without relying on guesses.
Methodology and sources
Wheel interchange depends on more than bolt pattern. Where data is available, this site compares recorded OEM values:
Bolt pattern / PCD
Center bore direction (donor wheel bore must not be smaller than the hub)
Wheel diameter, width, and offset against known OEM ranges
A normal wheel spacer does not change bolt pattern. Hub rings cannot enlarge a wheel bore that is smaller than the hub. Brake clearance and tire package fitment still require vehicle-specific checks when not confirmed in the dataset.