1998 Audi A4 Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1998 Audi A4, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x112 |
|---|---|
| Lug Nut / Bolt Size | B 14x1.50 |
| Center Bore (CB) | 57.1 mm |
| Offset (ET) | 45 |
| Torque Specs | 100 ft-lbs (135 Nm) |
1998 A4 — Year-Specific Fitment Context
The 1998 Audi A4 is in year 3 of 29 using the 5x112 pattern (1996–2024). Wheels from any 1996–2024 Audi A4 are cross-compatible with the 1998 model.
Audi A4 Bolt Pattern by Year
The table below shows how the A4's wheel specifications have changed over the years. The 1998 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1996 | 5x112 | 57.1 | 45 |
| 1997 | 5x112 | 57.1 | 45 |
| ▸ 1998 | 5x112 | 57.1 | 45 |
| 1999 | 5x112 | 57.1 | 45 |
| 2000 | 5x112 | 57.1 | 45 |
| 2001 | 5x112 | 57.1 | 45 |
| 2002 | 5x112 | 57.1 | 45 |
| 2003 | 5x112 | 57.1 | 45 |
| 2004 | 5x112 | 57.1 | 45 |
| 2005 | 5x112 | 57.1 | 45 |
| 2006 | 5x112 | 57.1 | 45 |
| 2007 | 5x112 | 57.1 | 45 |
| 2008 | 5x112 | 57.1 | 45 |
| 2009 | 5x112 | 57.1 | 45 |
| 2010 | 5x112 | 66.6 | 45 |
| 2011 | 5x112 | 66.6 | 45 |
| 2012 | 5x112 | 66.6 | 45 |
| 2013 | 5x112 | 66.6 | 45 |
| 2014 | 5x112 | 66.6 | 45 |
| 2015 | 5x112 | 66.6 | 45 |
| 2016 | 5x112 | 66.6 | 45 |
| 2017 | 5x112 | 66.6 | 45 |
| 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 1998 Audi A4 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 A4 appears from 1996 to 2024 (29 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: 90.0 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:
1998 Audi A4 — Frequently Asked Questions
What is the bolt pattern for a 1998 Audi A4?
The 1998 Audi A4 uses a 5x112 bolt pattern (also called lug pattern or PCD). The center bore is 57.1mm and the offset is 45mm.
What other years of Audi A4 have the same bolt pattern as the 1998?
The Audi A4 uses the 5x112 pattern from 1996 through 2024. Wheels from any of these model years are dimensionally compatible with the 1998, provided the offset and center bore also match.
Do 1998 Audi A4s use lug bolts or lug nuts?
The 1998 A4 requires B 14x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
How do I measure the bolt pattern on my 1998 Audi?
The 1998 A4 uses a 5x112 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
Can I put aftermarket wheels on my 1998 Audi A4?
Absolutely. Just ensure the aftermarket wheels have a 5x112 bolt pattern, an offset near 45mm, and a center bore of at least 57.1mm (using hub rings if larger).
Will wheels from another Audi fit my 1998 A4?
Only if they share the exact same 5x112 bolt pattern, a compatible offset, and a center bore equal to or larger than 57.1mm.
Fitment Checklist Before You Buy Wheels
- Confirm bolt pattern carefully. 5x112 is often confused with other common 5-lug patterns.
- 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 A4 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: 1996-2024 (29 model years).
- Observed bolt-pattern variants: 1 (5x112).
- Observed total offset span across years: 90.0 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 1998 Audi A4, please report it via our About page contact so we can verify and update this record.