1999 Saturn S-Series Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1999 Saturn S-Series, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 4x100 |
|---|---|
| Lug Nut / Bolt Size | 12x1.5 |
| Center Bore (CB) | 57.1 mm |
| Offset (ET) | 50 |
| Torque Specs | 80 ft-lbs (108 Nm) |
1999 S-Series — Year-Specific Fitment Context
The 1999 Saturn S-Series is in year 8 of 11 using the 4x100 pattern (1992–2002). Wheels from any 1992–2002 Saturn S-Series are cross-compatible with the 1999 model.
Saturn S-Series Bolt Pattern by Year
The table below shows how the S-Series's wheel specifications have changed over the years. The 1999 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 1999 Saturn S-Series
For your 1999 Saturn S-Series, the 4x100 bolt pattern and 57.1mm center bore are critical. Aftermarket wheels often have a larger bore (e.g., 73.1mm), requiring hub-centric rings to prevent vibration and ensure proper load transfer. The stock offset is 50mm; deviations beyond ±5mm may cause rubbing or clearance issues. Always use 12x1.5 lug nuts with the correct seat (cone or ball) matching your wheels. Improper seating can lead to wheel loss. Verify wheel weight capacity and avoid spacers unless hub-centric. Re-torque after 50-100 miles.
Historical Fitment Data Reference
In our dataset, Saturn S-Series appears from 1992 to 2002 (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 80-90 ft-lbs after 50-100 miles of driving.
- ✅ If using aftermarket wheels, ensure hub-centric rings are installed to match the 57.1mm bore.
- ✅ Avoid wheels with offset below 45mm or above 55mm 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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1999 Saturn S-Series — Frequently Asked Questions
What is the bolt pattern for a 1999 Saturn S-Series?
The 1999 Saturn S-Series uses a 4x100 bolt pattern (also called lug pattern or PCD). The center bore is 57.1mm and the offset is 50mm.
What other years of Saturn S-Series have the same bolt pattern as the 1999?
The Saturn S-Series uses the 4x100 pattern from 1992 through 2002. Wheels from any of these model years are dimensionally compatible with the 1999, provided the offset and center bore also match.
What is the center bore of a 1999 Saturn S-Series?
The factory center bore (hub bore) for the 1999 Saturn S-Series is 57.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
What is the PCD for a 1999 Saturn S-Series?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1999 S-Series, the PCD is 4x100.
Do 1999 Saturn S-Seriess use lug bolts or lug nuts?
The 1999 S-Series requires 12x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the factory wheel offset for a 1999 Saturn S-Series?
The OEM offset for the 1999 S-Series is typically around 50mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
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