2018 Cadillac ATS 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 ATS, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x115 |
|---|---|
| Lug Nut / Bolt Size | N 12x1.50 |
| Center Bore (CB) | 70.3 mm |
| Offset (ET) | 42 |
| Torque Specs | 80 ft-lbs (108 Nm) |
2018 ATS — Year-Specific Fitment Context
The 2018 Cadillac ATS is in year 6 of 7 using the 5x115 pattern (2013–2019). Wheels from any 2013–2019 Cadillac ATS are cross-compatible with the 2018 model.
Cadillac ATS Bolt Pattern by Year
The table below shows how the ATS's wheel specifications have changed over the years. The 2018 model year is highlighted.
5x115 Pattern Context
This bolt pattern appears on 498 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x115:
Expert Buying Guide for 2018 Cadillac ATS
When selecting wheels for your 2018 Cadillac ATS, the 5x115 bolt pattern is shared across 2013–2019 models, ensuring cross-compatibility. However, the 70.3mm center bore is critical: aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. Offset is sensitive; the factory 42mm offset maintains optimal handling and clearance. Deviating more than ±5mm may cause rubbing or steering issues. Always use lug nuts with the correct thread pitch (12x1.5) and seat type (cone or ball seat, depending on the wheel). Improper lug nuts can lead to wheel loosening. Verify all specifications before installation.
Historical Fitment Data Reference
In our dataset, Cadillac ATS appears from 2013 to 2019 (7 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 stress on hubs.
- ✅ Check brake caliper clearance when changing offset or wheel diameter, as the ATS has tight tolerances.
- ⚠️ 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).
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2018 Cadillac ATS — Frequently Asked Questions
What is the bolt pattern for a 2018 Cadillac ATS?
The 2018 Cadillac ATS uses a 5x115 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 42mm.
What other years of Cadillac ATS have the same bolt pattern as the 2018?
The Cadillac ATS uses the 5x115 pattern from 2013 through 2019. Wheels from any of these model years are dimensionally compatible with the 2018, provided the offset and center bore also match.
What is the PCD for a 2018 Cadillac ATS?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2018 ATS, the PCD is 5x115.
What is the center bore of a 2018 Cadillac ATS?
The factory center bore (hub bore) for the 2018 Cadillac ATS is 70.3mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Can I put aftermarket wheels on my 2018 Cadillac ATS?
Absolutely. Just ensure the aftermarket wheels have a 5x115 bolt pattern, an offset near 42mm, and a center bore of at least 70.3mm (using hub rings if larger).
Do 2018 Cadillac ATSs use lug bolts or lug nuts?
The 2018 ATS requires N 12x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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