2018 Toyota Corolla iM Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2018 Toyota Corolla iM, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x100 |
|---|---|
| Lug Nut / Bolt Size | 12x1.5 |
| Center Bore (CB) | 54.1 mm |
| Offset (ET) | 39 |
| Torque Specs | 80 ft-lbs (108 Nm) |
2018 Corolla iM — Year-Specific Fitment Context
The 2018 model year is the final year of the Toyota Corolla iM's 5x100 bolt pattern run (since 2017). Wheels from any 2017–2018 Toyota Corolla iM are cross-compatible with the 2018 model.
Toyota Corolla iM Bolt Pattern by Year
The table below shows how the Corolla iM's wheel specifications have changed over the years. The 2018 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 2017 | 5x100 | 54.1 | 39 |
| ▸ 2018 | 5x100 | 54.1 | 39 |
5x100 Pattern Context
This bolt pattern appears on 447 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x100:
Expert Buying Guide for 2018 Toyota Corolla iM
For your 2018 Toyota Corolla iM, the bolt pattern is 5x100 with a 54.1mm center bore. When selecting aftermarket wheels, ensure they have a larger center bore and use hub-centric rings to prevent vibrations. The factory offset is 39mm; staying within ±5mm is recommended to avoid rubbing or clearance issues. Always use lug nuts with the correct 12x1.5 thread pitch and a conical (60-degree) seat—never ball seat—to ensure proper clamping force. Failure to match these specs can lead to wheel loosening or damage. For 2017–2018 Corolla iM models, wheels are cross-compatible, but verify fitment with your specific trim.
Historical Fitment Data Reference
In our dataset, Toyota Corolla iM appears from 2017 to 2018 (2 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 after 50-100 miles of driving to maintain proper clamping force.
- ✅ Avoid using universal fit wheels without hub-centric rings; they can cause vibration and stress on wheel studs.
- ✅ Check brake caliper clearance when using wheels with lower offset (e.g., 35mm) as the iM has tight tolerances.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ 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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2018 Toyota Corolla iM — Frequently Asked Questions
What is the bolt pattern for a 2018 Toyota Corolla iM?
The 2018 Toyota Corolla iM uses a 5x100 bolt pattern (also called lug pattern or PCD). The center bore is 54.1mm and the offset is 39mm.
What other years of Toyota Corolla iM have the same bolt pattern as the 2018?
The Toyota Corolla iM uses the 5x100 pattern from 2017 through 2018. Wheels from any of these model years are dimensionally compatible with the 2018, provided the offset and center bore also match.
What is the center bore of a 2018 Toyota Corolla iM?
The factory center bore (hub bore) for the 2018 Toyota Corolla iM is 54.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Will wheels from another Toyota fit my 2018 Corolla iM?
Only if they share the exact same 5x100 bolt pattern, a compatible offset, and a center bore equal to or larger than 54.1mm.
Do 2018 Toyota Corolla iMs use lug bolts or lug nuts?
The 2018 Corolla iM requires 12x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
Why is matching the 54.1mm center bore important for the 2018 Corolla iM?
The 54.1mm 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.
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