1995 Oldsmobile Achieva Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1995 Oldsmobile Achieva, 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) | 45 |
| Torque Specs | 80 ft-lbs (108 Nm) |
1995 Achieva — Year-Specific Fitment Context
The 1995 Oldsmobile Achieva is in year 4 of 7 using the 5x100 pattern (1992–1998). Wheels from any 1992–1998 Oldsmobile Achieva are cross-compatible with the 1995 model.
Oldsmobile Achieva Bolt Pattern by Year
The table below shows how the Achieva's wheel specifications have changed over the years. The 1995 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 1995 Oldsmobile Achieva
For your 1995 Oldsmobile Achieva, 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. Offset is sensitive: stick to 45mm ±5mm to avoid rubbing or clearance issues. Always use lug nuts with the correct thread pitch (12x1.5) and seat type—cone seat is standard. Never use ball seat or incorrect thread pitch, as this can cause wheel loss. Re-torque after 50-100 miles.
Historical Fitment Data Reference
In our dataset, Oldsmobile Achieva 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 80-90 ft-lbs after 50-100 miles of driving.
- ✅ If using aftermarket wheels, verify hub-centric ring inner diameter matches 57.1mm exactly.
- ✅ Check that wheel spokes clear the brake calipers; some 17"+ wheels may require spacers.
- ⚠️ 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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1995 Oldsmobile Achieva — Frequently Asked Questions
What is the bolt pattern for a 1995 Oldsmobile Achieva?
The 1995 Oldsmobile Achieva uses a 5x100 bolt pattern (also called lug pattern or PCD). The center bore is 57.1mm and the offset is 45mm.
What other years of Oldsmobile Achieva have the same bolt pattern as the 1995?
The Oldsmobile Achieva uses the 5x100 pattern from 1992 through 1998. Wheels from any of these model years are dimensionally compatible with the 1995, provided the offset and center bore also match.
What is the center bore of a 1995 Oldsmobile Achieva?
The factory center bore (hub bore) for the 1995 Oldsmobile Achieva is 57.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Do 1995 Oldsmobile Achievas use lug bolts or lug nuts?
The 1995 Achieva requires N 12x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the factory wheel offset for a 1995 Oldsmobile Achieva?
The OEM offset for the 1995 Achieva is typically around 45mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
What lug nut size does the 1995 Oldsmobile Achieva use?
The 1995 Oldsmobile Achieva uses N 12x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
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