2008 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 2008 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.
2008 Escalade EXT — Year-Specific Fitment Context
The 2008 Cadillac Escalade EXT is in year 7 of 12 using the 6x139.7 pattern (2002–2013). Wheels from any 2002–2013 Cadillac Escalade EXT are cross-compatible with the 2008 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 2008 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 2008 Cadillac Escalade EXT
For the 2008 Cadillac Escalade EXT, the 6x139.7 bolt pattern and 78.1mm center bore are critical. Aftermarket wheels often have a larger center bore (e.g., 78.3mm or 106.1mm), requiring hub-centric rings to prevent vibrations and ensure proper load transfer. The factory offset is 24mm; deviations beyond ±10mm may cause rubbing or clearance issues. Always use lug nuts with the correct 14x1.5 thread pitch and matching seat type (conical/ball seat) to avoid wheel loosening. Verify that aftermarket wheels are hub-centric or use rings, and check for brake caliper clearance. Re-torque lug nuts after 50-100 miles of driving.
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
- ✅ Always re-torque lug nuts to 140 ft-lbs after 50-100 miles of driving.
- ✅ If using aftermarket wheels with a larger center bore, install hub-centric rings to prevent vibrations.
- ✅ Check offset carefully; a 0mm offset may cause the tire to protrude beyond the fender, while +35mm may contact the suspension.
- ⚠️ 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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2008 Cadillac Escalade EXT — Frequently Asked Questions
What is the bolt pattern for a 2008 Cadillac Escalade EXT?
The 2008 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 2008?
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 2008, provided the offset and center bore also match.
What is the center bore of a 2008 Cadillac Escalade EXT?
The factory center bore (hub bore) for the 2008 Cadillac Escalade EXT is 78.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
How tight should I torque the lug nuts on a 2008 Cadillac Escalade EXT?
Refer to your owner's manual for exact specs, but always tighten the 14x1.5 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Why is matching the 78.1mm center bore important for the 2008 Escalade EXT?
The 78.1mm 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.
Can I put aftermarket wheels on my 2008 Cadillac Escalade EXT?
Absolutely. Just ensure the aftermarket wheels have a 6x139.7 bolt pattern, an offset near 24mm, and a center bore of at least 78.1mm (using hub rings if larger).
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