2018 Cadillac XTS Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2018 Cadillac XTS, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x120 |
|---|---|
| Lug Nut / Bolt Size | M14x1.5 |
| Center Bore (CB) | 66.9 mm |
| Offset (ET) | 35-45mm |
| Torque Specs | 100 ft-lbs (135 Nm) |
2018 XTS — Year-Specific Fitment Context
The 2018 model year marks the beginning of the Cadillac XTS's 5x120 bolt pattern era, which continued through 2019 (2 consecutive years). Wheels from any 2018–2019 Cadillac XTS are cross-compatible with the 2018 model. Note: the 2017 model used a different pattern (5x120.65), so its wheels are NOT interchangeable with the 2018. Across its full production run (2013–2019), the XTS has also used: 5x120.65.
Cadillac XTS Bolt Pattern by Year
The table below shows how the XTS's wheel specifications have changed over the years. The 2018 model year is highlighted.
Fitment Notes
The 2018 Cadillac XTS has a bolt pattern of 5x120.
This means it is a 5 lug pattern with a circle diameter of 120mm. When shopping for aftermarket wheels, ensure the "lug pattern" or "PCD" matches these numbers.
Year-to-Year Fitment Context
In our dataset, Cadillac XTS appears from 2013 to 2019 (7 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: 85.0 mm
5x120 Pattern Context
This bolt pattern appears on 633 vehicles in our current database and is considered common.
Examples of other vehicles using 5x120:
2018 Cadillac XTS — Frequently Asked Questions
What is the bolt pattern for a 2018 Cadillac XTS?
The 2018 Cadillac XTS uses a 5x120 bolt pattern (also called lug pattern or PCD). The center bore is 66.9mm and the offset is 35-45mmmm.
What other years of Cadillac XTS have the same bolt pattern as the 2018?
The Cadillac XTS uses the 5x120 pattern from 2018 through 2019. Wheels from any of these model years are dimensionally compatible with the 2018, provided the offset and center bore also match.
Can I use 2017 Cadillac XTS wheels on a 2018?
No. The 2017 XTS used a 5x120.65 bolt pattern, which differs from the 2018's 5x120. They are not interchangeable.
What is the factory wheel offset for a 2018 Cadillac XTS?
The OEM offset for the 2018 XTS is typically around 35-45mmmm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
What is the PCD for a 2018 Cadillac XTS?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2018 XTS, the PCD is 5x120.
What does 35-45mmmm offset mean for the 2018 XTS?
An offset of 35-45mmmm means the wheel's mounting surface is 35-45mmmm 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
- Confirm bolt pattern carefully. 5x120 is often confused with other common 5-lug patterns.
- This fitment uses a wide offset range. Check brake clearance and fender clearance before buying 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 XTS has multiple wheel-fitment records across generations, so matching exact year and trim is important before ordering wheels.
- Observed production years in our database: 2013-2019 (7 model years).
- Observed bolt-pattern variants: 2 (5x120, 5x120.65).
- Observed total offset span across years: 85.0 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 2018 Cadillac XTS, please report it via our About page contact so we can verify and update this record.