1999 Oldsmobile Bravada 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 Bravada, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x120.65 (5x4.75") |
|---|---|
| Lug Nut / Bolt Size | N 12x1.50 |
| Center Bore (CB) | 70.3 mm |
| Offset (ET) | 12 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 5x120.65 is commonly referred to as 5x4.75" in US Standard.
1999 Bravada — Year-Specific Fitment Context
The 1999 Oldsmobile Bravada is in year 8 of 9 using the 5x120.65 pattern (1992–2000). Wheels from any 1992–2000 Oldsmobile Bravada are cross-compatible with the 1999 model. Across its full production run (1992–2004), the Bravada has also used: 6x127.
Oldsmobile Bravada Bolt Pattern by Year
The table below shows how the Bravada's wheel specifications have changed over the years. The 1999 model year is highlighted.
5x120.65 Pattern Context
This bolt pattern appears on 202 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x120.65:
Expert Buying Guide for 1999 Oldsmobile Bravada
When selecting wheels for your 1999 Oldsmobile Bravada, the 5x120.65 bolt pattern is critical. The center bore is 70.3mm; aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. Offset is sensitive—stick to ±12mm from stock to avoid rubbing or suspension interference. Always use lug nuts with the correct thread pitch (12x1.50) and seat type (cone seat). Mixing seat types can cause wheel loosening. For safety, re-torque lug nuts after 50-100 miles of driving.
Historical Fitment Data Reference
In our dataset, Oldsmobile Bravada appears from 1992 to 2004 (12 model years). Across model years, this model appears with 2 bolt patterns (5x120.65, 6x127).
- Observed bolt-pattern variants for this model: 2
- Observed center-bore variants for this model: 2
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 38.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 100 ft-lbs after 50-100 miles to account for settling.
- ✅ If using aftermarket wheels, verify hub-centric ring inner diameter matches 70.3mm; outer diameter must match wheel bore.
- ✅ Avoid wheels from 2001-2004 Bravada models as they use a 6x127 bolt pattern—not compatible.
- ⚠️ 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).
- ⚠️ This model has multiple bolt-pattern records across years. Match wheels to exact year/trim before purchase.
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1999 Oldsmobile Bravada — Frequently Asked Questions
What is the bolt pattern for a 1999 Oldsmobile Bravada?
The 1999 Oldsmobile Bravada uses a 5x120.65 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 12mm.
What other years of Oldsmobile Bravada have the same bolt pattern as the 1999?
The Oldsmobile Bravada uses the 5x120.65 pattern from 1992 through 2000. Wheels from any of these model years are dimensionally compatible with the 1999, provided the offset and center bore also match.
What is the factory wheel offset for a 1999 Oldsmobile Bravada?
The OEM offset for the 1999 Bravada is typically around 12mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
What does 12mm offset mean for the 1999 Bravada?
An offset of 12mm means the wheel's mounting surface is 12mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Oldsmobile.
How tight should I torque the lug nuts on a 1999 Oldsmobile Bravada?
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.
Why is matching the 70.3mm center bore important for the 1999 Bravada?
The 70.3mm 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.
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