Audi TT Roadster (8N9) Tire Sizes & Rim Specifications by Year and Trim
The Audi TT Roadster (8N9) features varying tire sizes and rim specifications depending on the model year and trim level. Early production years typically include base and quattro trims, each with distinct original equipment tire markings.\n\nStandard rim widths range from 7.5 to 8.5 inches with diameters commonly between 16 and 18 inches. These measurements impact vehicle handling and tire compatibility, making them critical for maintenance and upgrades.\n\nWhen comparing trims, it's important to note that sportier versions often use wider rims paired with low-profile tires, improving grip and aesthetics. Always consult year-specific data to ensure correct tire fitment and maintain optimal performance.\n\nUsing exact tire size markings, such as 205/55 R16 or 225/40 R18, helps confirm compatibility with stock or aftermarket rims. Proper understanding of rim width × diameter values aids in selecting tires that balance safety, comfort, and style.
| Make / model / trim | Year | Tire size | Wheel |
|---|---|---|---|
| Audi TT Roadster (8N9) 1.8 T | 2006 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T quattro | 2006 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 3.2 VR6 quattro | 2006 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T | 2005 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T quattro | 2005 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 3.2 VR6 quattro | 2005 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T | 2004 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T quattro | 2004 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 3.2 VR6 quattro | 2004 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T | 2003 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T quattro | 2003 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 3.2 VR6 quattro | 2003 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T | 2002 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T quattro | 2002 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T | 2001 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T quattro | 2001 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T quattro | 2000 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T | 1999 | 205/55R16 | 6.5" × 16" |
| Audi TT Roadster (8N9) 1.8 T quattro | 1999 | 205/55R16 | 6.5" × 16" |
For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Audi TT Roadster (8N9).
FAQ
- What are the common tire sizes for Audi TT Roadster (8N9)?
- Typical tire sizes range from 205/55 R16 to 225/40 R18 depending on the model year and trim.
- How does rim width differ among Audi TT Roadster (8N9) trims?
- Rim widths vary between 7.5 and 8.5 inches, with sport trims usually featuring wider rims for better handling.
- Can I fit aftermarket tires on an Audi TT Roadster (8N9)?
- Yes, but it’s essential to match the tire size and rim dimensions recommended for your specific model year and trim.
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 |