2009 Cadillac Escalade EXT Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2009 Cadillac Escalade EXT, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 78.1 mm |
| Offset (ET) | 24 |
| Torque Specs | 100 ft-lbs (135 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
2009 Escalade EXT — Year-Specific Fitment Context
The 2009 Cadillac Escalade EXT is in year 8 of 12 using the 6x139.7 pattern (2002–2013). Wheels from any 2002–2013 Cadillac Escalade EXT are cross-compatible with the 2009 model.
Cadillac Escalade EXT Bolt Pattern by Year
The table below shows how the Escalade EXT's wheel specifications have changed over the years. The 2009 model year is highlighted.
6x139.7 Pattern Context
This bolt pattern appears on 1067 vehicles in our current database and is considered common.
Examples of other vehicles using 6x139.7:
Expert Buying Guide for 2009 Cadillac Escalade EXT
For your 2009 Cadillac Escalade EXT, the 6x139.7 bolt pattern is shared with 2002–2013 models, ensuring cross-compatibility. However, the 78.1mm center bore is critical: aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. The stock offset is 24mm; deviations beyond ±10mm may cause rubbing or clearance issues with suspension and brakes. Always verify lug nut thread pitch (14x1.5) and seat type—factory wheels use a cone seat, while aftermarket wheels may require ball or acorn seats. Using incorrect lug nuts can lead to wheel loosening. Prioritize hub-centric fitment and correct hardware for safety.
Historical Fitment Data Reference
In our dataset, Cadillac Escalade EXT appears from 2002 to 2013 (12 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 after 50–100 miles of driving to ensure proper seating.
- ✅ Avoid wheels with offset below 14mm or above 34mm to prevent rubbing on fenders or suspension components.
- ✅ When using aftermarket wheels, always install hub-centric rings (78.1mm ID to wheel bore OD) to eliminate vibrations.
- ⚠️ 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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2009 Cadillac Escalade EXT — Frequently Asked Questions
What is the bolt pattern for a 2009 Cadillac Escalade EXT?
The 2009 Cadillac Escalade EXT uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 78.1mm and the offset is 24mm.
What other years of Cadillac Escalade EXT have the same bolt pattern as the 2009?
The Cadillac Escalade EXT uses the 6x139.7 pattern from 2002 through 2013. Wheels from any of these model years are dimensionally compatible with the 2009, provided the offset and center bore also match.
Can I use spacers on my 2009 Cadillac Escalade EXT?
Yes, but ensure the wheel spacers match the 6x139.7 bolt pattern and 78.1mm center bore. Also verify that you have enough thread engagement for your 14x1.5 hardware.
What does 24mm offset mean for the 2009 Escalade EXT?
An offset of 24mm means the wheel's mounting surface is 24mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Cadillac.
Do 2009 Cadillac Escalade EXTs use lug bolts or lug nuts?
The 2009 Escalade EXT requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the center bore of a 2009 Cadillac Escalade EXT?
The factory center bore (hub bore) for the 2009 Cadillac Escalade EXT is 78.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
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