2018 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 2018 Audi A5, 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) |
2018 A5 — Year-Specific Fitment Context
The 2018 Audi A5 is in year 11 of 17 using the 5x112 pattern (2008–2024). Wheels from any 2008–2024 Audi A5 are cross-compatible with the 2018 model.
Audi A5 Bolt Pattern by Year
The table below shows how the A5's wheel specifications have changed over the years. The 2018 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 2018 Audi A5
For your 2018 Audi A5, the 5x112 bolt pattern is shared with all A5 models from 2008-2024, ensuring cross-compatibility. However, the 66.5mm center bore is critical: aftermarket wheels often have a larger bore (e.g., 73.1mm), requiring hub-centric rings to prevent vibrations and ensure proper load transfer. Offset must stay within 30-45mm; deviations risk rubbing or poor handling. Always use lug nuts with the correct 14x1.5 thread pitch and proper seat type (Audi uses ball seat; aftermarket wheels may require conical or ball seat lugs). Never mix seat types—this can cause wheel loosening. Re-torque after 50-100 miles.
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
- ✅ Use hub-centric rings (66.5mm ID to aftermarket bore) to avoid steering wheel vibration.
- ✅ Re-torque lug nuts to 90 ft-lbs after 50-100 miles of driving.
- ✅ Verify wheel offset with a test fit; 35mm is a safe starting point for most aftermarket wheels.
- ⚠️ 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).
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2018 Audi A5 — Frequently Asked Questions
What is the bolt pattern for a 2018 Audi A5?
The 2018 Audi A5 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 A5 have the same bolt pattern as the 2018?
The Audi A5 uses the 5x112 pattern from 2008 through 2024. Wheels from any of these model years are dimensionally compatible with the 2018, provided the offset and center bore also match.
How tight should I torque the lug nuts on a 2018 Audi A5?
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.
What does 30-45mm offset mean for the 2018 A5?
An offset of 30-45mm means the wheel's mounting surface is 30-45mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Audi.
What is the PCD for a 2018 Audi A5?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 2018 A5, the PCD is 5x112.
Do 2018 Audi A5s use lug bolts or lug nuts?
The 2018 A5 requires 14x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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