2021 Acura ILX Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2021 Acura ILX, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x114.3 (5x4.5") |
|---|---|
| Lug Nut / Bolt Size | 12x1.5 |
| Center Bore (CB) | 64.1 mm |
| Offset (ET) | 45 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 5x114.3 is commonly referred to as 5x4.5" in US Standard.
2021 ILX — Year-Specific Fitment Context
The 2021 Acura ILX is in year 9 of 11 using the 5x114.3 pattern (2013–2023). Wheels from any 2013–2023 Acura ILX are cross-compatible with the 2021 model.
Acura ILX Bolt Pattern by Year
The table below shows how the ILX's wheel specifications have changed over the years. The 2021 model year is highlighted.
5x114.3 Pattern Context
This bolt pattern appears on 2902 vehicles in our current database and is considered very common.
Examples of other vehicles using 5x114.3:
Expert Buying Guide for 2021 Acura ILX
For the 2021 Acura ILX, the 5x114.3 bolt pattern and 64.1mm center bore are critical. Aftermarket wheels often have a larger center bore (e.g., 73.1mm), requiring hub-centric rings to prevent vibration and ensure proper load transfer. The factory offset is 45mm; deviations beyond ±5mm may cause rubbing or clearance issues. Always use the correct 12x1.5 lug nuts with a conical (60-degree) seat—ball-seat or incorrect thread pitch can lead to wheel detachment. Re-torque after 50-100 miles of driving. Wheels from 2013-2023 ILX models are direct fit.
Historical Fitment Data Reference
In our dataset, Acura ILX appears from 2013 to 2023 (11 model years). Across recorded model years, this model generally keeps the same bolt pattern.
- Observed bolt-pattern variants for this model: 1
- Observed center-bore variants for this model: 1
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 0.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 80 lb-ft after 50-100 miles, then periodically check.
- ✅ Avoid using aftermarket wheels with a center bore larger than 64.1mm without hub-centric rings.
- ✅ Verify offset is between 40-50mm; lower offsets may rub the fender, higher offsets may contact the strut.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ Confirm bolt pattern carefully. 5x114.3 is often confused with other common 5-lug patterns.
- ⚠️ Torque lugs in a star pattern to 80 ft-lbs (108 Nm), then re-check torque after 50-100 km (30-60 miles).
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2021 Acura ILX — Frequently Asked Questions
What is the bolt pattern for a 2021 Acura ILX?
The 2021 Acura ILX uses a 5x114.3 bolt pattern (also called lug pattern or PCD). The center bore is 64.1mm and the offset is 45mm.
What other years of Acura ILX have the same bolt pattern as the 2021?
The Acura ILX uses the 5x114.3 pattern from 2013 through 2023. Wheels from any of these model years are dimensionally compatible with the 2021, provided the offset and center bore also match.
Why is matching the 64.1mm center bore important for the 2021 ILX?
The 64.1mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
What is the factory wheel offset for a 2021 Acura ILX?
The OEM offset for the 2021 ILX is typically around 45mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
What is the PCD for a 2021 Acura ILX?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2021 ILX, the PCD is 5x114.3.
Can I put aftermarket wheels on my 2021 Acura ILX?
Absolutely. Just ensure the aftermarket wheels have a 5x114.3 bolt pattern, an offset near 45mm, and a center bore of at least 64.1mm (using hub rings if larger).
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