2019 Buick Regal TourX Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2019 Buick Regal TourX, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x115 |
|---|---|
| Lug Nut / Bolt Size | 12x1.5 |
| Center Bore (CB) | 70.3 mm |
| Offset (ET) | 49 |
| Torque Specs | 80 ft-lbs (108 Nm) |
2019 Regal TourX — Year-Specific Fitment Context
The 2019 Buick Regal TourX is in year 2 of 3 using the 5x115 pattern (2018–2020). Wheels from any 2018–2020 Buick Regal TourX are cross-compatible with the 2019 model.
Buick Regal TourX Bolt Pattern by Year
The table below shows how the Regal TourX's wheel specifications have changed over the years. The 2019 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 2019 Buick Regal TourX
For your 2019 Buick Regal TourX, the bolt pattern is 5x115 with a 70.3mm center bore. When selecting aftermarket wheels, ensure hub-centric rings are used to match the 70.3mm bore, preventing vibrations and ensuring proper load distribution. The factory offset is 49mm; deviations beyond ±5mm may cause clearance issues with suspension or fenders. Always use lug nuts with the correct thread pitch (12x1.5) and seat type (conical/60-degree) to avoid wheel loosening. Verify that aftermarket wheels are hub-centric or use compatible rings for safety.
Historical Fitment Data Reference
In our dataset, Buick Regal TourX appears from 2018 to 2020 (3 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 to 100 ft-lb after 50 miles of driving to ensure proper seating.
- ✅ Avoid using universal fit wheels without hub-centric rings; they can cause vibrations and stress on wheel studs.
- ✅ Check inner clearance when using lower offset wheels (e.g., 40mm) as they may rub on struts or control arms.
- ⚠️ 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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2019 Buick Regal TourX — Frequently Asked Questions
What is the bolt pattern for a 2019 Buick Regal TourX?
The 2019 Buick Regal TourX uses a 5x115 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 49mm.
What other years of Buick Regal TourX have the same bolt pattern as the 2019?
The Buick Regal TourX uses the 5x115 pattern from 2018 through 2020. Wheels from any of these model years are dimensionally compatible with the 2019, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 2019 Buick Regal TourX?
Refer to your owner's manual for exact specs, but always tighten the 12x1.5 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
What is the factory wheel offset for a 2019 Buick Regal TourX?
The OEM offset for the 2019 Regal TourX is typically around 49mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
Do 2019 Buick Regal TourXs use lug bolts or lug nuts?
The 2019 Regal TourX requires 12x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What lug nut size does the 2019 Buick Regal TourX use?
The 2019 Buick Regal TourX uses 12x1.5 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
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