2008 Audi A5 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 A5, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x112 |
|---|---|
| Lug Nut / Bolt Size | B 14x1.50 |
| Center Bore (CB) | 66.6 mm |
| Offset (ET) | 29 |
| Torque Specs | 100 ft-lbs (135 Nm) |
2008 A5 — Year-Specific Fitment Context
The 2008 model year marks the beginning of the Audi A5's 5x112 bolt pattern era, which continued through 2024 (17 consecutive years). Wheels from any 2008–2024 Audi A5 are cross-compatible with the 2008 model.
Audi A5 Bolt Pattern by Year
The table below shows how the A5's wheel specifications have changed over the years. The 2008 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| ▸ 2008 | 5x112 | 66.6 | 29 |
| 2009 | 5x112 | 66.6 | 29 |
| 2010 | 5x112 | 66.6 | 29 |
| 2011 | 5x112 | 66.6 | 29 |
| 2012 | 5x112 | 66.6 | 29 |
| 2013 | 5x112 | 66.6 | 29 |
| 2014 | 5x112 | 66.6 | 29 |
| 2015 | 5x112 | 66.6 | 29 |
| 2016 | 5x112 | 66.6 | 29 |
| 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 A5
For the 2008 Audi A5, the bolt pattern is 5x112 with a center bore of 66.6mm. When selecting aftermarket wheels, hub-centric rings are mandatory to ensure proper load distribution and prevent vibrations. The factory offset is 29mm; deviations beyond ±5mm may cause rubbing or clearance issues. Always verify lug nut compatibility: the thread pitch is M14x1.50, and the seat type must match—Audi uses a ball seat (radius), not a conical seat. Using incorrect lug nuts can lead to wheel detachment. Re-torque after 50-100 miles of driving.
Historical Fitment Data Reference
In our dataset, Audi A5 appears from 2008 to 2024 (16 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: 2
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 75.0 mm
Quick Tips & Safety Warnings
- ✅ Always use hub-centric rings (66.6mm to 57.1mm) for aftermarket wheels to prevent vibrations.
- ✅ Stick to offset between 24mm and 34mm to avoid rubbing on fenders or suspension components.
- ✅ Re-torque lug nuts to 90 ft-lbs after 50-100 miles; never use impact wrenches for final tightening.
- ⚠️ 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 A5 — Frequently Asked Questions
What is the bolt pattern for a 2008 Audi A5?
The 2008 Audi A5 uses a 5x112 bolt pattern (also called lug pattern or PCD). The center bore is 66.6mm and the offset is 29mm.
What other years of Audi A5 have the same bolt pattern as the 2008?
The Audi A5 uses the 5x112 pattern from 2008 through 2024. Wheels from any of these model years are dimensionally compatible with the 2008, provided the offset and center bore also match.
What is the center bore of a 2008 Audi A5?
The factory center bore (hub bore) for the 2008 Audi A5 is 66.6mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
What lug nut size does the 2008 Audi A5 use?
The 2008 Audi A5 uses B 14x1.50 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
Why is matching the 66.6mm center bore important for the 2008 A5?
The 66.6mm 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.
What does 29mm offset mean for the 2008 A5?
An offset of 29mm means the wheel's mounting surface is 29mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Audi.
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