1997 Buick Skylark Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1997 Buick Skylark, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x100 |
|---|---|
| Lug Nut / Bolt Size | N 12x1.50 |
| Center Bore (CB) | 57.1 mm |
| Offset (ET) | 42 |
| Torque Specs | 80 ft-lbs (108 Nm) |
1997 Skylark — Year-Specific Fitment Context
The 1997 Buick Skylark is in year 6 of 7 using the 5x100 pattern (1992–1998). Wheels from any 1992–1998 Buick Skylark are cross-compatible with the 1997 model.
Buick Skylark Bolt Pattern by Year
The table below shows how the Skylark's wheel specifications have changed over the years. The 1997 model year is highlighted.
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 1997 Buick Skylark
For your 1997 Buick Skylark, the 5x100 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 offset is sensitive: stock is 42mm. Sticking within ±5mm is safe; deviating more may cause rubbing or clearance issues. Always use the correct lug nuts: 12x1.5 thread pitch with a conical (60-degree) seat. Flat or ball-seat nuts are unsafe. Re-torque after 50-100 miles. Avoid wheels from non-1992-1998 GM N-body cars (e.g., Cavalier) as offset and bore differ.
Historical Fitment Data Reference
In our dataset, Buick Skylark appears from 1992 to 1998 (7 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 100 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 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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1997 Buick Skylark — Frequently Asked Questions
What is the bolt pattern for a 1997 Buick Skylark?
The 1997 Buick Skylark uses a 5x100 bolt pattern (also called lug pattern or PCD). The center bore is 57.1mm and the offset is 42mm.
What other years of Buick Skylark have the same bolt pattern as the 1997?
The Buick Skylark uses the 5x100 pattern from 1992 through 1998. Wheels from any of these model years are dimensionally compatible with the 1997, provided the offset and center bore also match.
What is the factory wheel offset for a 1997 Buick Skylark?
The OEM offset for the 1997 Skylark is typically around 42mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
What is the PCD for a 1997 Buick Skylark?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1997 Skylark, the PCD is 5x100.
Why is matching the 57.1mm center bore important for the 1997 Skylark?
The 57.1mm 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 1997 Buick Skylarks use lug bolts or lug nuts?
The 1997 Skylark requires N 12x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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