2018 Audi A6 Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 2018 Audi A6, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x112 |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 66.5 mm |
| Offset (ET) | 30-45 |
| Torque Specs | 100 ft-lbs (135 Nm) |
2018 A6 — Year-Specific Fitment Context
The 2018 Audi A6 is in year 24 of 30 using the 5x112 pattern (1995–2024). Wheels from any 1995–2024 Audi A6 are cross-compatible with the 2018 model.
Audi A6 Bolt Pattern by Year
The table below shows how the A6's wheel specifications have changed over the years. The 2018 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1995 | 5x112 | 57.1 | 42 |
| 1996 | 5x112 | 57.1 | 42 |
| 1997 | 5x112 | 57.1 | 42 |
| 1998 | 5x112 | 57.1 | 42 |
| 1999 | 5x112 | 57.1 | 42 |
| 2000 | 5x112 | 57.1 | 42 |
| 2001 | 5x112 | 57.1 | 42 |
| 2002 | 5x112 | 57.1 | 42 |
| 2003 | 5x112 | 57.1 | 42 |
| 2004 | 5x112 | 57.1 | 42 |
| 2005 | 5x112 | 57.1 | 42 |
| 2006 | 5x112 | 57.1 | 42 |
| 2007 | 5x112 | 57.1 | 42 |
| 2008 | 5x112 | 57.1 | 42 |
| 2009 | 5x112 | 57.1 | 42 |
| 2010 | 5x112 | 57.1 | 42 |
| 2011 | 5x112 | 57.1 | 42 |
| 2012 | 5x112 | 57.1 | 42 |
| 2013 | 5x112 | 66.6 | 42 |
| 2014 | 5x112 | 66.6 | 42 |
| 2015 | 5x112 | 66.6 | 42 |
| 2016 | 5x112 | 66.6 | 42 |
| 2017 | 5x112 | 66.6 | 42 |
| ▸ 2018 | 5x112 | 66.5 | 30-45 |
| 2019 | 5x112 | 66.5 | 30-45 |
| 2020 | 5x112 | 66.5 | 30-45 |
| 2021 | 5x112 | 66.5 | 30-45 |
| 2022 | 5x112 | 66.5 | 30-45 |
| 2023 | 5x112 | 66.5 | 30-45 |
| 2024 | 5x112 | 66.5 | 30-45 |
Fitment Notes
The 2018 Audi A6 has a bolt pattern of 5x112.
This means it is a 5 lug pattern with a circle diameter of 112mm. When shopping for aftermarket wheels, ensure the "lug pattern" or "PCD" matches these numbers.
Year-to-Year Fitment Context
In our dataset, Audi A6 appears from 1995 to 2024 (30 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: 3
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 87.0 mm
5x112 Pattern Context
This bolt pattern appears on 1490 vehicles in our current database and is considered common.
Examples of other vehicles using 5x112:
2018 Audi A6 — Frequently Asked Questions
What is the bolt pattern for a 2018 Audi A6?
The 2018 Audi A6 uses a 5x112 bolt pattern (also called lug pattern or PCD). The center bore is 66.5mm and the offset is 30-45mm.
What other years of Audi A6 have the same bolt pattern as the 2018?
The Audi A6 uses the 5x112 pattern from 1995 through 2024. Wheels from any of these model years are dimensionally compatible with the 2018, provided the offset and center bore also match.
What lug nut size does the 2018 Audi A6 use?
The 2018 Audi A6 uses 14x1.5 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
What is the center bore of a 2018 Audi A6?
The factory center bore (hub bore) for the 2018 Audi A6 is 66.5mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Do 2018 Audi A6s use lug bolts or lug nuts?
The 2018 A6 requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
Can I use spacers on my 2018 Audi A6?
Yes, but ensure the wheel spacers match the 5x112 bolt pattern and 66.5mm center bore. Also verify that you have enough thread engagement for your 14x1.5 hardware.
Fitment Checklist Before You Buy Wheels
- Confirm bolt pattern carefully. 5x112 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).
Editorial Fitment Notes
Audi A6 is generally consistent in bolt-pattern records across model years, but offset and hardware should still be validated before purchase.
- Observed production years in our database: 1995-2024 (30 model years).
- Observed bolt-pattern variants: 1 (5x112).
- Observed total offset span across years: 87.0 mm.
- Observed center-bore variants: 3 | 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 Audi A6, please report it via our About page contact so we can verify and update this record.