2018 Audi TT 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 TT, 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) | 38 |
| Torque Specs | 100 ft-lbs (135 Nm) |
2018 TT — Year-Specific Fitment Context
The 2018 Audi TT is in year 11 of 16 using the 5x112 pattern (2008–2023). Wheels from any 2008–2023 Audi TT are cross-compatible with the 2018 model. Across its full production run (2000–2023), the TT has also used: 5x100.
Audi TT Bolt Pattern by Year
The table below shows how the TT's wheel specifications have changed over the years. The 2018 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 2000 | 5x100 | 57.1 | 31 |
| 2001 | 5x100 | 57.1 | 31 |
| 2002 | 5x100 | 57.1 | 31 |
| 2003 | 5x100 | 57.1 | 31 |
| 2004 | 5x100 | 57.1 | 31 |
| 2005 | 5x100 | 57.1 | 31 |
| 2006 | 5x100 | 57.1 | 31 |
| 2008 | 5x112 | 57.1 | 50 |
| 2009 | 5x112 | 57.1 | 50 |
| 2010 | 5x112 | 57.1 | 50 |
| 2011 | 5x112 | 57.1 | 50 |
| 2012 | 5x112 | 57.1 | 50 |
| 2013 | 5x112 | 57.1 | 50 |
| 2014 | 5x112 | 57.1 | 50 |
| 2015 | 5x112 | 57.1 | 50 |
| 2016 | 5x112 | 57.1 | 50 |
| 2017 | 5x112 | 57.1 | 50 |
| ▸ 2018 | 5x112 | 66.6 | 38 |
| 2019 | 5x112 | 66.6 | 38 |
| 2020 | 5x112 | 66.6 | 38 |
| 2021 | 5x112 | 66.6 | 38 |
| 2022 | 5x112 | 66.6 | 38 |
| 2023 | 5x112 | 66.6 | 38 |
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 TT
For the 2018 Audi TT, the correct bolt pattern is 5x112 with a center bore of 66.6mm. Aftermarket wheels often have a larger center bore, requiring hub-centric rings to prevent vibrations and ensure proper load distribution. The factory offset is 38mm; deviations beyond ±5mm may cause rubbing or clearance issues. Always verify lug nut compatibility: use 14x1.50 bolts with a ball seat (radius) to match OEM specifications. Using incorrect seat type (e.g., conical) can lead to loose wheels and safety hazards. Cross-compatible wheels from 2008–2023 Audi TT models fit directly. Avoid 5x100 pattern wheels from earlier TT generations.
Historical Fitment Data Reference
In our dataset, Audi TT appears from 2000 to 2023 (23 model years). Across model years, this model appears with 2 bolt patterns (5x100, 5x112).
- Observed bolt-pattern variants for this model: 2
- Observed center-bore variants for this model: 2
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 19.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to ensure proper seating.
- ✅ When using aftermarket wheels, always install hub-centric rings (66.6mm ID to wheel hub bore) to avoid vibrations.
- ✅ Check offset carefully: lower offset (e.g., 33mm) may cause fender rubbing, while higher offset (e.g., 43mm) may contact suspension components.
- ⚠️ 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).
- ⚠️ This model has multiple bolt-pattern records across years. Match wheels to exact year/trim before purchase.
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2018 Audi TT — Frequently Asked Questions
What is the bolt pattern for a 2018 Audi TT?
The 2018 Audi TT uses a 5x112 bolt pattern (also called lug pattern or PCD). The center bore is 66.6mm and the offset is 38mm.
What other years of Audi TT have the same bolt pattern as the 2018?
The Audi TT uses the 5x112 pattern from 2008 through 2023. Wheels from any of these model years are dimensionally compatible with the 2018, provided the offset and center bore also match.
What is the center bore of a 2018 Audi TT?
The factory center bore (hub bore) for the 2018 Audi TT is 66.6mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Can I use spacers on my 2018 Audi TT?
Yes, but ensure the wheel spacers match the 5x112 bolt pattern and 66.6mm center bore. Also verify that you have enough thread engagement for your B 14x1.50 hardware.
Why is matching the 66.6mm center bore important for the 2018 TT?
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.
Do 2018 Audi TTs use lug bolts or lug nuts?
The 2018 TT requires B 14x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
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