2008 Saturn Astra Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2008 Saturn Astra, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x110 |
|---|---|
| Lug Nut / Bolt Size | M12x1.5 |
| Center Bore (CB) | 65.1 mm |
| Offset (ET) | 35-45mm |
| Torque Specs | 80 ft-lbs (108 Nm) |
2008 Astra — Year-Specific Fitment Context
The 2008 is the only model year of the Saturn Astra in our database using the 5x110 bolt pattern.
5x110 Pattern Context
This bolt pattern appears on 126 vehicles in our current database and is considered uncommon.
Examples of other vehicles using 5x110:
Expert Buying Guide for 2008 Saturn Astra
For the 2008 Saturn Astra, the bolt pattern is 5x110 with a critical center bore of 65.1mm. Aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. The offset range is 35-45mm; deviating can cause rubbing or clearance issues. Always use M12x1.5 lug nuts with the correct seat type (conical or ball seat) matching the wheel. Improper lug nut seating can lead to wheel detachment. Verify all specifications before installation.
Historical Fitment Data Reference
In our dataset, Saturn Astra appears from 2008 to 2008 (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 ensure proper seating.
- ✅ Check for clearance with the strut and fender when using aftermarket wheels, especially with lower offsets.
- ✅ Use a torque wrench set to 80-90 ft-lbs; never exceed manufacturer recommendations.
- ⚠️ 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).
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2008 Saturn Astra — Frequently Asked Questions
What is the bolt pattern for a 2008 Saturn Astra?
The 2008 Saturn Astra uses a 5x110 bolt pattern (also called lug pattern or PCD). The center bore is 65.1mm and the offset is 35-45mmmm.
How do I measure the bolt pattern on my 2008 Saturn?
The 2008 Astra uses a 5x110 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
What does 35-45mmmm offset mean for the 2008 Astra?
An offset of 35-45mmmm means the wheel's mounting surface is 35-45mmmm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Saturn.
Will wheels from another Saturn fit my 2008 Astra?
Only if they share the exact same 5x110 bolt pattern, a compatible offset, and a center bore equal to or larger than 65.1mm.
What is the PCD for a 2008 Saturn Astra?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2008 Astra, the PCD is 5x110.
Can I put aftermarket wheels on my 2008 Saturn Astra?
Absolutely. Just ensure the aftermarket wheels have a 5x110 bolt pattern, an offset near 35-45mmmm, and a center bore of at least 65.1mm (using hub rings if larger).
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