2007 Saturn Ion Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2007 Saturn Ion, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 4x100 |
|---|---|
| Lug Nut / Bolt Size | 12x1.5 |
| Center Bore (CB) | 56.6 mm |
| Offset (ET) | 42 |
| Torque Specs | 80 ft-lbs (108 Nm) |
2007 Ion — Year-Specific Fitment Context
The 2007 model year is the final year of the Saturn Ion's 4x100 bolt pattern run (since 2003). Wheels from any 2003–2007 Saturn Ion are cross-compatible with the 2007 model.
Saturn Ion Bolt Pattern by Year
The table below shows how the Ion's wheel specifications have changed over the years. The 2007 model year is highlighted.
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 2007 Saturn Ion
For your 2007 Saturn Ion, the 4x100 bolt pattern and 56.6mm center bore are critical. Aftermarket wheels often have a larger center bore (e.g., 73.1mm), requiring hub-centric rings to prevent vibrations and ensure proper load transfer. The factory offset is 42mm; deviations beyond ±5mm may cause rubbing or clearance issues. Always use lug nuts with the correct 12x1.5 thread pitch and a 60-degree conical seat (common for aftermarket wheels) or the factory ball seat. Never mix seat types, as improper seating can lead to wheel loss. Re-torque after 50-100 miles of driving.
Historical Fitment Data Reference
In our dataset, Saturn Ion appears from 2003 to 2007 (5 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 80-90 ft-lbs after 50-100 miles of driving.
- ✅ If using aftermarket wheels, ensure hub-centric rings are installed to match the 56.6mm center bore.
- ✅ Avoid wheels with offset below 35mm or above 48mm to prevent rubbing on struts or fenders.
- ⚠️ 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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2007 Saturn Ion — Frequently Asked Questions
What is the bolt pattern for a 2007 Saturn Ion?
The 2007 Saturn Ion uses a 4x100 bolt pattern (also called lug pattern or PCD). The center bore is 56.6mm and the offset is 42mm.
What other years of Saturn Ion have the same bolt pattern as the 2007?
The Saturn Ion uses the 4x100 pattern from 2003 through 2007. Wheels from any of these model years are dimensionally compatible with the 2007, provided the offset and center bore also match.
What is the PCD for a 2007 Saturn Ion?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2007 Ion, the PCD is 4x100.
Why is matching the 56.6mm center bore important for the 2007 Ion?
The 56.6mm 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.
Can I put aftermarket wheels on my 2007 Saturn Ion?
Absolutely. Just ensure the aftermarket wheels have a 4x100 bolt pattern, an offset near 42mm, and a center bore of at least 56.6mm (using hub rings if larger).
What is the center bore of a 2007 Saturn Ion?
The factory center bore (hub bore) for the 2007 Saturn Ion is 56.6mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
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