2021 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 2021 Audi A4, 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) |
2021 A4 — Year-Specific Fitment Context
The 2021 Audi A4 is in year 26 of 29 using the 5x112 pattern (1996–2024). Wheels from any 1996–2024 Audi A4 are cross-compatible with the 2021 model.
Audi A4 Bolt Pattern by Year
The table below shows how the A4's wheel specifications have changed over the years. The 2021 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 2021 Audi A4
For your 2021 Audi A4, the 5x112 bolt pattern and 66.5mm center bore are critical. Aftermarket wheels must have a bore ≥66.5mm; use hub-centric rings to avoid vibrations. Offset must stay within 30-45mm; deviations risk rubbing or poor handling. Always use 14x1.5 lug nuts with the correct seat (cone or ball) to prevent loosening. Wheels from 1996-2024 Audi A4 models are cross-compatible, but verify offset and bore. Safety first: improper fitment can lead to wheel separation.
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 ensure proper seating.
- ✅ Avoid using universal lug nuts; they may not seat correctly with Audi's ball-seat design.
- ✅ Check for brake caliper clearance when using aftermarket wheels, especially with larger rotors.
- ⚠️ 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).
Ready to upgrade or perform maintenance?
🛒 Shop Tools & Accessories on AmazonAs an Amazon Associate, I earn from qualifying purchases.
2021 Audi A4 — Frequently Asked Questions
What is the bolt pattern for a 2021 Audi A4?
The 2021 Audi A4 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 A4 have the same bolt pattern as the 2021?
The Audi A4 uses the 5x112 pattern from 1996 through 2024. Wheels from any of these model years are dimensionally compatible with the 2021, provided the offset and center bore also match.
Why is matching the 66.5mm center bore important for the 2021 A4?
The 66.5mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
How do I measure the bolt pattern on my 2021 Audi?
The 2021 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.
How tight should I torque the lug nuts on a 2021 Audi A4?
Refer to your owner's manual for exact specs, but always tighten the 14x1.5 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Can I put aftermarket wheels on my 2021 Audi A4?
Absolutely. Just ensure the aftermarket wheels have a 5x112 bolt pattern, an offset near 30-45mm, and a center bore of at least 66.5mm (using hub rings if larger).
Need more vehicle fitment data?
Access our complete, raw JSON/CSV database of over 11,000+ vehicles for your next app or project.
Get the Full Dataset