1999 Oldsmobile Aurora Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1999 Oldsmobile Aurora, 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) | 42 |
| Torque Specs | 80 ft-lbs (108 Nm) |
1999 Aurora — Year-Specific Fitment Context
The 1999 Oldsmobile Aurora is in year 5 of 9 using the 5x115 pattern (1995–2003). Wheels from any 1995–2003 Oldsmobile Aurora are cross-compatible with the 1999 model.
Oldsmobile Aurora Bolt Pattern by Year
The table below shows how the Aurora's wheel specifications have changed over the years. The 1999 model year is highlighted.
Fitment Notes
The 1999 Oldsmobile Aurora 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 Aurora appears from 1995 to 2003 (8 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:
1999 Oldsmobile Aurora — Frequently Asked Questions
What is the bolt pattern for a 1999 Oldsmobile Aurora?
The 1999 Oldsmobile Aurora uses a 5x115 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 42mm.
What other years of Oldsmobile Aurora have the same bolt pattern as the 1999?
The Oldsmobile Aurora uses the 5x115 pattern from 1995 through 2003. Wheels from any of these model years are dimensionally compatible with the 1999, provided the offset and center bore also match.
Do 1999 Oldsmobile Auroras use lug bolts or lug nuts?
The 1999 Aurora requires N 12x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
Can I use spacers on my 1999 Oldsmobile Aurora?
Yes, but ensure the wheel spacers match the 5x115 bolt pattern and 70.3mm center bore. Also verify that you have enough thread engagement for your N 12x1.50 hardware.
What is the PCD for a 1999 Oldsmobile Aurora?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1999 Aurora, the PCD is 5x115.
Will wheels from another Oldsmobile fit my 1999 Aurora?
Only if they share the exact same 5x115 bolt pattern, a compatible offset, and a center bore equal to or larger than 70.3mm.
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 Aurora 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: 1995-2003 (8 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 1999 Oldsmobile Aurora, please report it via our About page contact so we can verify and update this record.