2006 Cadillac STS Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2006 Cadillac STS, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x115 |
|---|---|
| Lug Nut / Bolt Size | N 14x1.50 |
| Center Bore (CB) | 71.6 mm |
| Offset (ET) | 42 |
| Torque Specs | 100 ft-lbs (135 Nm) |
2006 STS — Year-Specific Fitment Context
The 2006 Cadillac STS is in year 2 of 7 using the 5x115 pattern (2005–2011). Wheels from any 2005–2011 Cadillac STS are cross-compatible with the 2006 model.
Cadillac STS Bolt Pattern by Year
The table below shows how the STS's wheel specifications have changed over the years. The 2006 model year is highlighted.
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:
Expert Buying Guide for 2006 Cadillac STS
For your 2006 Cadillac STS, the 5x115 bolt pattern is shared across 2005-2011 models, but fitment requires attention to three critical specs. The center bore is 71.6mm; aftermarket wheels often have a larger bore, so hub-centric rings are mandatory to prevent vibration and ensure proper load transfer. The offset is 42mm; deviations beyond ±5mm may cause rubbing or clearance issues with struts and fenders. Always use lug nuts with the correct thread pitch (14x1.50) and seat type—factory wheels use a conical (60-degree) seat. Never use ball-seat lug nuts on conical wheels, as this can lead to loose wheels and accidents. Re-torque after 50-100 miles.
Historical Fitment Data Reference
In our dataset, Cadillac STS appears from 2005 to 2011 (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: 2
- Observed lug-size variants for this model: 2
- 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, verify hub bore and use hub-centric rings (71.6mm to wheel bore).
- ✅ Check for brake caliper clearance; some aftermarket wheels may require spacers or different offsets.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
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2006 Cadillac STS — Frequently Asked Questions
What is the bolt pattern for a 2006 Cadillac STS?
The 2006 Cadillac STS uses a 5x115 bolt pattern (also called lug pattern or PCD). The center bore is 71.6mm and the offset is 42mm.
What other years of Cadillac STS have the same bolt pattern as the 2006?
The Cadillac STS uses the 5x115 pattern from 2005 through 2011. Wheels from any of these model years are dimensionally compatible with the 2006, provided the offset and center bore also match.
What does 42mm offset mean for the 2006 STS?
An offset of 42mm means the wheel's mounting surface is 42mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Cadillac.
How tight should I torque the lug nuts on a 2006 Cadillac STS?
Refer to your owner's manual for exact specs, but always tighten the N 14x1.50 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
What is the PCD for a 2006 Cadillac STS?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2006 STS, the PCD is 5x115.
Do 2006 Cadillac STSs use lug bolts or lug nuts?
The 2006 STS requires N 14x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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