2016 Scion iA Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2016 Scion iA, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 4x100 |
|---|---|
| Lug Nut / Bolt Size | M12x1.5 |
| Center Bore (CB) | 54.1 mm |
| Offset (ET) | 35-45mm |
| Torque Specs | 80 ft-lbs (108 Nm) |
2016 iA — Year-Specific Fitment Context
The 2016 is the only model year of the Scion iA in our database using the 4x100 bolt pattern.
4x100 Pattern Context
This bolt pattern appears on 461 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 4x100:
Expert Buying Guide for 2016 Scion iA
For the 2016 Scion iA, the 4x100 bolt pattern is unique to this model year. The 54.1mm center bore requires hub-centric rings when installing aftermarket wheels to prevent vibration and ensure proper load distribution. Offset is critical: stick to 35-45mm to avoid rubbing or clearance issues. Always use M12x1.5 lug nuts with the correct seat type—conical (60-degree) or ball seat—matching the wheel manufacturer's spec. Improper seating can cause wheel loosening. Verify wheel bore and offset before purchase; test fitment is recommended.
Historical Fitment Data Reference
In our dataset, Scion iA appears from 2016 to 2016 (1 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: 80.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to maintain clamping force.
- ✅ Avoid universal fit wheels without hub-centric rings; they can cause steering wheel shake.
- ✅ Check inner clearance for brake calipers and suspension components, especially with lower offsets.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ This fitment uses a wide offset range. Check brake clearance and fender clearance before buying wheels.
- ⚠️ Torque lugs in a star pattern to 80 ft-lbs (108 Nm), then re-check torque after 50-100 km (30-60 miles).
Ready to upgrade or perform maintenance?
🛒 Shop Tools & Accessories on AmazonAs an Amazon Associate, I earn from qualifying purchases.
2016 Scion iA — Frequently Asked Questions
What is the bolt pattern for a 2016 Scion iA?
The 2016 Scion iA uses a 4x100 bolt pattern (also called lug pattern or PCD). The center bore is 54.1mm and the offset is 35-45mmmm.
Why is matching the 54.1mm center bore important for the 2016 iA?
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.
Do 2016 Scion iAs use lug bolts or lug nuts?
The 2016 iA requires M12x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the center bore of a 2016 Scion iA?
The factory center bore (hub bore) for the 2016 Scion iA 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 Scion fit my 2016 iA?
Only if they share the exact same 4x100 bolt pattern, a compatible offset, and a center bore equal to or larger than 54.1mm.
Can I put aftermarket wheels on my 2016 Scion iA?
Absolutely. Just ensure the aftermarket wheels have a 4x100 bolt pattern, an offset near 35-45mmmm, and a center bore of at least 54.1mm (using hub rings if larger).
Need more vehicle fitment data?
Access our complete, raw JSON/CSV database of over 11,000+ vehicles for your next app or project.
Get the Full Dataset