2016 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 2016 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) |
2016 CT6 — Year-Specific Fitment Context
The 2016 model year marks the beginning of the Cadillac CT6's 5x120.65 bolt pattern era, which continued through 2019 (4 consecutive years). Wheels from any 2016–2019 Cadillac CT6 are cross-compatible with the 2016 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 2016 model year is highlighted.
Fitment Notes
The 2016 Cadillac CT6 has a bolt pattern of 5x120.65.
Imperial Conversion: This bolt pattern is commonly referred to as 5x4.75" in imperial units. When searching for aftermarket wheels, you may see them listed as 5x4.75".
This means it is a 5 lug pattern with a circle diameter of 120.65mm. When shopping for aftermarket wheels, ensure the "lug pattern" or "PCD" matches these numbers.
Year-to-Year Fitment Context
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
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:
2016 Cadillac CT6 — Frequently Asked Questions
What is the bolt pattern for a 2016 Cadillac CT6?
The 2016 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 2016?
The Cadillac CT6 uses the 5x120.65 pattern from 2016 through 2019. Wheels from any of these model years are dimensionally compatible with the 2016, provided the offset and center bore also match.
Do 2016 Cadillac CT6s use lug bolts or lug nuts?
The 2016 CT6 requires N 14x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What lug nut size does the 2016 Cadillac CT6 use?
The 2016 Cadillac CT6 uses N 14x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
Why is matching the 67.1mm center bore important for the 2016 CT6?
The 67.1mm 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.
What does 32mm offset mean for the 2016 CT6?
An offset of 32mm means the wheel's mounting surface is 32mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Cadillac.
Fitment Checklist Before You Buy Wheels
- 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.
Editorial Fitment Notes
Cadillac CT6 has multiple wheel-fitment records across generations, so matching exact year and trim is important before ordering wheels.
- Observed production years in our database: 2016-2020 (5 model years).
- Observed bolt-pattern variants: 2 (5x120, 5x120.65).
- Observed total offset span across years: 72.0 mm.
- Observed center-bore variants: 2 | lug-size variants: 2.
Data Quality & Review
Source note: Compiled from manufacturer fitment references, historical wheel data, and internal normalization rules.
Last reviewed: 2026-05-26 | Reviewed by: Bolt Pattern HQ Editorial Team
If you find a discrepancy for 2016 Cadillac CT6, please report it via our About page contact so we can verify and update this record.