Audi TT Roadster (8J9) Wheel Lug Pattern, Offset and Rim Size Reference
The Audi TT Roadster (8J9) features a specific wheel lug pattern essential for selecting compatible wheels. The typical lug pattern is 5 × 112mm, which indicates 5 lug nuts spaced on a 112 mm pitch circle diameter (PCD). Correct lug pattern matching assures safe mounting and proper wheel alignment.\n\nOffset, referred to as ET, varies depending on the year and trim of the TT Roadster (8J9). Offset values typically range from ET35 to ET45, affecting how far the wheel sits inward or outward relative to the hub mounting surface. Audi’s center bore for this model is generally 57.1 mm, ensuring proper hub centering and minimal vibration.\n\nRim sizes for the TT Roadster (8J9) commonly start at 17 inches diameter and may go up to 19 inches for sportier trims. Rim width and profile can impact tire choice and vehicle handling, so adhering to Audi’s specifications helps maintain performance and safety. Always consult year-sorted fitment tables to confirm exact dimensions for a given model year.\n\nThis reference catalog page provides detailed wheel mounting specifications for the Audi TT Roadster (8J9) to help enthusiasts and professionals choose compatible wheels and tires quickly and confidently.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Audi TT Roadster (8J9) 1.8 TFSI | 2014 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TDI quattro | 2014 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI | 2014 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI quattro | 2014 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TTS quattro | 2014 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.5 RS quattro | 2014 | 245/40R18 | 8.5 | 18 | 5×112 | 50 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 1.8 TFSI | 2013 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TDI quattro | 2013 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI | 2013 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI quattro | 2013 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TTS quattro | 2013 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.5 RS quattro | 2013 | 245/40R18 | 8.5 | 18 | 5×112 | 50 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 1.8 TFSI | 2012 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TDI quattro | 2012 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI | 2012 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI quattro | 2012 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TTS quattro | 2012 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.5 RS quattro | 2012 | 245/40R18 | 8.5 | 18 | 5×112 | 50 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 1.8 TFSI | 2011 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TDI quattro | 2011 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI | 2011 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI quattro | 2011 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TTS quattro | 2011 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.5 RS quattro | 2011 | 245/40R18 | 8.5 | 18 | 5×112 | 50 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 1.8 TFSI | 2010 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TDI quattro | 2010 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI | 2010 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI quattro | 2010 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TTS quattro | 2010 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.5 RS quattro | 2010 | 245/40R18 | 8.5 | 18 | 5×112 | 50 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 3.2 V6 quattro | 2010 | 245/45R17 | 7.5 | 17 | 5×100 | 35 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 1.8 TFSI | 2009 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TDI quattro | 2009 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI | 2009 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI quattro | 2009 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TTS quattro | 2009 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.5 RS quattro | 2009 | 245/40R18 | 8.5 | 18 | 5×112 | 50 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 3.2 V6 quattro | 2009 | 245/45R17 | 7.5 | 17 | 5×100 | 35 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 1.8 TFSI | 2008 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TDI quattro | 2008 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI | 2008 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI quattro | 2008 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TTS quattro | 2008 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 3.2 V6 quattro | 2008 | 245/45R17 | 7.5 | 17 | 5×100 | 35 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 2.0 TFSI | 2007 | 225/55R16 | 7.5 | 16 | 5×112 | 45 | 57.1 | M14*1,5 |
| Audi TT Roadster (8J9) 3.2 V6 quattro | 2007 | 245/45R17 | 7.5 | 17 | 5×100 | 35 | 57.1 | M14*1,5 |
FAQ
- What is the standard lug pattern for the Audi TT Roadster (8J9)?
- The standard lug pattern is 5 × 112 mm, meaning 5 lugs spaced on a 112 mm pitch circle diameter.
- What offset values are typical for the TT Roadster (8J9) wheels?
- Typical offset (ET) values range from ET35 to ET45 depending on the year and trim.
- What size is the center bore for Audi TT Roadster (8J9) wheels?
- The center bore size is generally 57.1 mm for proper hub fitment.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |
Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |