2008 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 2008 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) |
2008 A4 — Year-Specific Fitment Context
The 2008 Audi A4 is in year 13 of 29 using the 5x112 pattern (1996–2024). Wheels from any 1996–2024 Audi A4 are cross-compatible with the 2008 model.
Audi A4 Bolt Pattern by Year
The table below shows how the A4's wheel specifications have changed over the years. The 2008 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 2008 Audi A4
For your 2008 Audi A4, the bolt pattern is 5x112 with a critical center bore of 57.1mm. Aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibrations and ensure proper load transfer. The offset is sensitive; stock is 45mm, but a range of 35-50mm may fit depending on width and tire size. Deviating too far can cause rubbing or clearance issues. Always use lug nuts with the correct thread pitch (14x1.50) and seat type—Audi uses ball seats, not conical. Using incorrect lug nuts can lead to wheel loosening. Re-torque after 50-100 miles of driving.
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 to 90 ft-lb after 50-100 miles of driving.
- ✅ If using aftermarket wheels, ensure hub-centric rings are installed to match the 57.1mm center bore.
- ✅ Verify that aftermarket wheels have adequate brake caliper clearance, as some 2008 A4 models have larger brakes.
- ⚠️ 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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2008 Audi A4 — Frequently Asked Questions
What is the bolt pattern for a 2008 Audi A4?
The 2008 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 2008?
The Audi A4 uses the 5x112 pattern from 1996 through 2024. Wheels from any of these model years are dimensionally compatible with the 2008, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 2008 Audi A4?
Refer to your owner's manual for exact specs, but always tighten the B 14x1.50 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Do 2008 Audi A4s use lug bolts or lug nuts?
The 2008 A4 requires B 14x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the factory wheel offset for a 2008 Audi A4?
The OEM offset for the 2008 A4 is typically around 45mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
What is the PCD for a 2008 Audi A4?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2008 A4, the PCD is 5x112.
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