1999 GMC Envoy Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1999 GMC Envoy, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x127 |
|---|---|
| Lug Nut / Bolt Size | 12x1.5 |
| Center Bore (CB) | 78.1 mm |
| Offset (ET) | 50 |
| Torque Specs | 80 ft-lbs (108 Nm) |
1999 Envoy — Year-Specific Fitment Context
The 1999 GMC Envoy is in year 2 of 12 using the 6x127 pattern (1998–2009). Wheels from any 1998–2009 GMC Envoy are cross-compatible with the 1999 model.
GMC Envoy Bolt Pattern by Year
The table below shows how the Envoy's wheel specifications have changed over the years. The 1999 model year is highlighted.
6x127 Pattern Context
This bolt pattern appears on 49 vehicles in our current database and is considered uncommon.
Examples of other vehicles using 6x127:
Expert Buying Guide for 1999 GMC Envoy
For your 1999 GMC Envoy, the correct bolt pattern is 6x127 with a 78.1mm center bore. When selecting aftermarket wheels, ensure they have a center bore of at least 78.1mm; if larger, use hub-centric rings to prevent vibration and ensure proper load transfer. The factory offset is 50mm; deviations beyond ±10mm may cause rubbing or clearance issues. Always use lug nuts with the correct thread pitch (12x1.5) and seat type—factory wheels use a conical (60-degree) seat, while aftermarket wheels may require ball or conical seats. Improper lug nut seating can lead to wheel loss. Safety first: verify all specs before installation.
Historical Fitment Data Reference
In our dataset, GMC Envoy appears from 1998 to 2009 (11 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 using universal fit wheels without hub-centric rings; they can cause vibration and hub damage.
- ✅ Check brake caliper clearance when using wheels with lower offset (e.g., 40mm) to prevent rubbing.
- ⚠️ Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- ⚠️ Torque lugs in a star pattern to 80 ft-lbs (108 Nm), then re-check torque after 50-100 km (30-60 miles).
- ⚠️ This bolt pattern is less common in our dataset. Verify wheel availability and hub specs before ordering.
Ready to upgrade or perform maintenance?
🛒 Shop Tools & Accessories on AmazonAs an Amazon Associate, I earn from qualifying purchases.
1999 GMC Envoy — Frequently Asked Questions
What is the bolt pattern for a 1999 GMC Envoy?
The 1999 GMC Envoy uses a 6x127 bolt pattern (also called lug pattern or PCD). The center bore is 78.1mm and the offset is 50mm.
What other years of GMC Envoy have the same bolt pattern as the 1999?
The GMC Envoy uses the 6x127 pattern from 1998 through 2009. Wheels from any of these model years are dimensionally compatible with the 1999, provided the offset and center bore also match.
What is the factory wheel offset for a 1999 GMC Envoy?
The OEM offset for the 1999 Envoy is typically around 50mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
What lug nut size does the 1999 GMC Envoy use?
The 1999 GMC Envoy uses 12x1.5 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 GMC Envoy?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1999 Envoy, the PCD is 6x127.
Can I put aftermarket wheels on my 1999 GMC Envoy?
Absolutely. Just ensure the aftermarket wheels have a 6x127 bolt pattern, an offset near 50mm, and a center bore of at least 78.1mm (using hub rings if larger).
Need more vehicle fitment data?
Access our complete, raw JSON/CSV database of over 11,000+ vehicles for your next app or project.
Get the Full Dataset