1997 Oldsmobile Regency Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1997 Oldsmobile Regency, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x115 |
|---|---|
| Lug Nut / Bolt Size | N 12x1.50 |
| Center Bore (CB) | 70.3 mm |
| Offset (ET) | 47 |
| Torque Specs | 80 ft-lbs (108 Nm) |
1997 Regency — Year-Specific Fitment Context
The 1997 model year marks the beginning of the Oldsmobile Regency's 5x115 bolt pattern era, which continued through 1998 (2 consecutive years). Wheels from any 1997–1998 Oldsmobile Regency are cross-compatible with the 1997 model.
Oldsmobile Regency Bolt Pattern by Year
The table below shows how the Regency's wheel specifications have changed over the years. The 1997 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| ▸ 1997 | 5x115 | 70.3 | 47 |
| 1998 | 5x115 | 70.3 | 47 |
Fitment Notes
The 1997 Oldsmobile Regency has a bolt pattern of 5x115.
This means it is a 5 lug pattern with a circle diameter of 115mm. When shopping for aftermarket wheels, ensure the "lug pattern" or "PCD" matches these numbers.
Year-to-Year Fitment Context
In our dataset, Oldsmobile Regency appears from 1997 to 1998 (2 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
5x115 Pattern Context
This bolt pattern appears on 498 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x115:
1997 Oldsmobile Regency — Frequently Asked Questions
What is the bolt pattern for a 1997 Oldsmobile Regency?
The 1997 Oldsmobile Regency uses a 5x115 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 47mm.
What other years of Oldsmobile Regency have the same bolt pattern as the 1997?
The Oldsmobile Regency uses the 5x115 pattern from 1997 through 1998. Wheels from any of these model years are dimensionally compatible with the 1997, provided the offset and center bore also match.
Do 1997 Oldsmobile Regencys use lug bolts or lug nuts?
The 1997 Regency requires N 12x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
Can I put aftermarket wheels on my 1997 Oldsmobile Regency?
Absolutely. Just ensure the aftermarket wheels have a 5x115 bolt pattern, an offset near 47mm, and a center bore of at least 70.3mm (using hub rings if larger).
What is the PCD for a 1997 Oldsmobile Regency?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1997 Regency, the PCD is 5x115.
How tight should I torque the lug nuts on a 1997 Oldsmobile Regency?
Refer to your owner's manual for exact specs, but always tighten the N 12x1.50 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Fitment Checklist Before You Buy Wheels
- 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).
Editorial Fitment Notes
Oldsmobile Regency is generally consistent in bolt-pattern records across model years, but offset and hardware should still be validated before purchase.
- Observed production years in our database: 1997-1998 (2 model years).
- Observed bolt-pattern variants: 1 (5x115).
- Observed total offset span across years: 0.0 mm.
- Observed center-bore variants: 1 | lug-size variants: 1.
Data Quality & Review
Source note: Compiled from manufacturer fitment references, historical wheel data, and internal normalization rules.
Last reviewed: 2026-05-26 | Reviewed by: Bolt Pattern HQ Editorial Team
If you find a discrepancy for 1997 Oldsmobile Regency, please report it via our About page contact so we can verify and update this record.