1999 Cadillac Escalade Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1999 Cadillac Escalade, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | N 14x1.50 |
| Center Bore (CB) | 78.1 mm |
| Offset (ET) | 32 |
| Torque Specs | 100 ft-lbs (135 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
1999 Escalade — Year-Specific Fitment Context
The 1999 model year marks the beginning of the Cadillac Escalade's 6x139.7 bolt pattern era, which continued through 2024 (26 consecutive years). Wheels from any 1999–2024 Cadillac Escalade are cross-compatible with the 1999 model.
Cadillac Escalade Bolt Pattern by Year
The table below shows how the Escalade's wheel specifications have changed over the years. The 1999 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| ▸ 1999 | 6x139.7 | 78.1 | 32 |
| 2000 | 6x139.7 | 78.1 | 32 |
| 2002 | 6x139.7 | 78.1 | 32 |
| 2003 | 6x139.7 | 78.1 | 32 |
| 2004 | 6x139.7 | 78.1 | 32 |
| 2005 | 6x139.7 | 78.1 | 32 |
| 2006 | 6x139.7 | 78.1 | 32 |
| 2007 | 6x139.7 | 78.1 | 32 |
| 2008 | 6x139.7 | 78.1 | 32 |
| 2009 | 6x139.7 | 78.1 | 32 |
| 2010 | 6x139.7 | 78.1 | 32 |
| 2011 | 6x139.7 | 78.1 | 32 |
| 2012 | 6x139.7 | 78.1 | 32 |
| 2013 | 6x139.7 | 78.1 | 32 |
| 2014 | 6x139.7 | 78.1 | 24 |
| 2015 | 6x139.7 | 78.1 | 24 |
| 2016 | 6x139.7 | 78.1 | 24 |
| 2017 | 6x139.7 | 78.1 | 24 |
| 2018 | 6x139.7 | 78.1 | 24 |
| 2019 | 6x139.7 | 78.1 | 24 |
| 2020 | 6x139.7 | 78.1 | 24 |
| 2021 | 6x139.7 | 78.1 | 24 |
| 2022 | 6x139.7 | 78.1 | 24 |
| 2023 | 6x139.7 | 78.1 | 24 |
| 2024 | 6x139.7 | 78.1 | 24 |
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 1999 Cadillac Escalade
For your 1999 Cadillac Escalade, the 6x139.7 bolt pattern is shared across 1999–2024 models, ensuring broad 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 transfer. Offset is sensitive; the factory 32mm offset maintains correct scrub radius and suspension geometry. Deviating more than ±10mm may cause rubbing or handling issues. Always use lug nuts with the correct thread pitch (14x1.50) and seat type—factory wheels use a conical (60-degree) seat, while aftermarket wheels may require ball-seat or shank-style nuts. Mismatched lug nuts can lead to wheel loosening. Verify lug nut engagement (at least 6 full turns) and torque to 140 ft-lbs.
Historical Fitment Data Reference
In our dataset, Cadillac Escalade appears from 1999 to 2024 (25 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: 2
- Observed total offset span across years: 8.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to account for settling.
- ✅ Avoid using universal fit wheels without hub-centric rings; they can cause vibration and damage.
- ✅ Check for caliper clearance when using aftermarket wheels, especially with lower offset or larger diameter.
- ⚠️ 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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1999 Cadillac Escalade — Frequently Asked Questions
What is the bolt pattern for a 1999 Cadillac Escalade?
The 1999 Cadillac Escalade uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 78.1mm and the offset is 32mm.
What other years of Cadillac Escalade have the same bolt pattern as the 1999?
The Cadillac Escalade uses the 6x139.7 pattern from 1999 through 2024. Wheels from any of these model years are dimensionally compatible with the 1999, provided the offset and center bore also match.
Will wheels from another Cadillac fit my 1999 Escalade?
Only if they share the exact same 6x139.7 bolt pattern, a compatible offset, and a center bore equal to or larger than 78.1mm.
What lug nut size does the 1999 Cadillac Escalade use?
The 1999 Cadillac Escalade uses N 14x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
What is the PCD for a 1999 Cadillac Escalade?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1999 Escalade, the PCD is 6x139.7.
What is the center bore of a 1999 Cadillac Escalade?
The factory center bore (hub bore) for the 1999 Cadillac Escalade 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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