2009 Buick Lucerne Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2009 Buick Lucerne, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x115 |
|---|---|
| Lug Nut / Bolt Size | M12x1.5 |
| Center Bore (CB) | 70.3 mm |
| Offset (ET) | 40-50mm |
| Torque Specs | 80 ft-lbs (108 Nm) |
2009 Lucerne — Year-Specific Fitment Context
The 2009 Buick Lucerne is in year 4 of 6 using the 5x115 pattern (2006–2011). Wheels from any 2006–2011 Buick Lucerne are cross-compatible with the 2009 model.
Buick Lucerne Bolt Pattern by Year
The table below shows how the Lucerne's wheel specifications have changed over the years. The 2009 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 2009 Buick Lucerne
For your 2009 Buick Lucerne, the 5x115 bolt pattern is shared with 2006–2011 models, but aftermarket wheels require careful attention to center bore (70.3mm). Without hub-centric rings, vibrations and stress on lug studs can occur. The recommended offset range is 40–50mm; straying outside this may cause rubbing or clearance issues. Always use M12x1.5 lug nuts with the correct seat type—cone or ball seat—to ensure proper clamping. Never use acorn or tapered nuts unless specified. Verify wheel load rating meets or exceeds OEM specs. Safety first: improper fitment compromises handling and braking.
Historical Fitment Data Reference
In our dataset, Buick Lucerne appears from 2006 to 2011 (6 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: 90.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50–100 miles of driving to prevent loosening from wheel settling.
- ✅ If using aftermarket wheels, always install hub-centric rings (70.3mm ID to aftermarket hub bore) to avoid vibrations.
- ✅ Check wheel offset carefully: offsets below 40mm may rub suspension components; above 50mm can cause inner clearance issues with struts.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ This fitment uses a wide offset range. Check brake clearance and fender clearance before buying wheels.
- ⚠️ 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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2009 Buick Lucerne — Frequently Asked Questions
What is the bolt pattern for a 2009 Buick Lucerne?
The 2009 Buick Lucerne uses a 5x115 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 40-50mmmm.
What other years of Buick Lucerne have the same bolt pattern as the 2009?
The Buick Lucerne uses the 5x115 pattern from 2006 through 2011. Wheels from any of these model years are dimensionally compatible with the 2009, provided the offset and center bore also match.
Why is matching the 70.3mm center bore important for the 2009 Lucerne?
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.
How do I measure the bolt pattern on my 2009 Buick?
The 2009 Lucerne uses a 5x115 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
What lug nut size does the 2009 Buick Lucerne use?
The 2009 Buick Lucerne uses M12x1.5 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
How tight should I torque the lug nuts on a 2009 Buick Lucerne?
Refer to your owner's manual for exact specs, but always tighten the M12x1.5 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
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