1999 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 1999 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) |
1999 A4 — Year-Specific Fitment Context
The 1999 Audi A4 is in year 4 of 29 using the 5x112 pattern (1996–2024). Wheels from any 1996–2024 Audi A4 are cross-compatible with the 1999 model.
Audi A4 Bolt Pattern by Year
The table below shows how the A4's wheel specifications have changed over the years. The 1999 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 |
5x112 Pattern Context
This bolt pattern appears on 1490 vehicles in our current database and is considered common.
Examples of other vehicles using 5x112:
Expert Buying Guide for 1999 Audi A4
For your 1999 Audi A4, the 5x112 bolt pattern is shared across 1996–2024 models, but precise fitment requires attention to three critical specs. The 57.1mm center bore must match exactly; aftermarket wheels with larger bores require hub-centric rings to prevent vibration and hub damage. Offset is sensitive: the factory 45mm offset is optimal for suspension geometry and brake clearance. Deviating more than ±5mm may cause rubbing or poor handling. Always verify lug nut thread pitch (14x1.50) and seat type—use conical (60-degree) or ball seat nuts as specified. Never mix seat types; improper seating can lead to wheel loosening. Safety first: ensure all fasteners are torqued to manufacturer specs.
Historical Fitment Data Reference
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
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to account for wheel settling.
- ✅ When using aftermarket wheels, confirm hub-centric rings are installed to avoid steering wheel vibration.
- ✅ Check brake caliper clearance with aftermarket wheels; some designs may require spacers or different offsets.
- ⚠️ 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).
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1999 Audi A4 — Frequently Asked Questions
What is the bolt pattern for a 1999 Audi A4?
The 1999 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 1999?
The Audi A4 uses the 5x112 pattern from 1996 through 2024. Wheels from any of these model years are dimensionally compatible with the 1999, provided the offset and center bore also match.
What lug nut size does the 1999 Audi A4 use?
The 1999 Audi A4 uses B 14x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
Will wheels from another Audi fit my 1999 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.
How do I measure the bolt pattern on my 1999 Audi?
The 1999 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.
What is the center bore of a 1999 Audi A4?
The factory center bore (hub bore) for the 1999 Audi A4 is 57.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
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