2019 Cadillac CT6 Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2019 Cadillac CT6, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x120.65 (5x4.75") |
|---|---|
| Lug Nut / Bolt Size | N 14x1.50 |
| Center Bore (CB) | 67.1 mm |
| Offset (ET) | 32 |
| Torque Specs | 100 ft-lbs (135 Nm) |
Imperial Match: 5x120.65 is commonly referred to as 5x4.75" in US Standard.
2019 CT6 — Year-Specific Fitment Context
The 2019 model year is the final year of the Cadillac CT6's 5x120.65 bolt pattern run (since 2016). Wheels from any 2016–2019 Cadillac CT6 are cross-compatible with the 2019 model. Important: starting in 2020, Cadillac switched to 5x120 — those wheels will not fit the 2019 model. Across its full production run (2016–2020), the CT6 has also used: 5x120.
Cadillac CT6 Bolt Pattern by Year
The table below shows how the CT6's wheel specifications have changed over the years. The 2019 model year is highlighted.
5x120.65 Pattern Context
This bolt pattern appears on 202 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x120.65:
Expert Buying Guide for 2019 Cadillac CT6
For your 2019 Cadillac CT6, the bolt pattern is 5x120.65 with a 67.1mm center bore. Aftermarket wheels must match the bore exactly or use hub-centric rings to prevent vibration. The stock offset is 32mm; deviations affect handling and may cause rubbing. Always use lug nuts with the correct thread pitch (14x1.50) and seat type (conical/ball seat). Avoid 2020+ CT6 wheels (5x120) as they won't fit. Verify all specs before purchase.
Historical Fitment Data Reference
In our dataset, Cadillac CT6 appears from 2016 to 2020 (5 model years). Across model years, this model appears with 2 bolt patterns (5x120, 5x120.65).
- Observed bolt-pattern variants for this model: 2
- Observed center-bore variants for this model: 2
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 72.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to maintain proper clamping force.
- ✅ If using aftermarket wheels, ensure hub-centric rings are installed to match the 67.1mm bore.
- ✅ Double-check that aftermarket wheels have sufficient brake caliper clearance, especially for larger rotors.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
- ⚠️ This model has multiple bolt-pattern records across years. Match wheels to exact year/trim before purchase.
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2019 Cadillac CT6 — Frequently Asked Questions
What is the bolt pattern for a 2019 Cadillac CT6?
The 2019 Cadillac CT6 uses a 5x120.65 bolt pattern (also called lug pattern or PCD). The center bore is 67.1mm and the offset is 32mm.
What other years of Cadillac CT6 have the same bolt pattern as the 2019?
The Cadillac CT6 uses the 5x120.65 pattern from 2016 through 2019. Wheels from any of these model years are dimensionally compatible with the 2019, provided the offset and center bore also match.
Will 2020 Cadillac CT6 wheels fit a 2019 model?
No. The 2020 Cadillac CT6 switched to a 5x120 bolt pattern, which is not compatible with the 2019 model's 5x120.65. Using mismatched patterns is unsafe.
Can I use spacers on my 2019 Cadillac CT6?
Yes, but ensure the wheel spacers match the 5x120.65 bolt pattern and 67.1mm center bore. Also verify that you have enough thread engagement for your N 14x1.50 hardware.
Do 2019 Cadillac CT6s use lug bolts or lug nuts?
The 2019 CT6 requires N 14x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the PCD for a 2019 Cadillac CT6?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2019 CT6, the PCD is 5x120.65.
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