Audi TT Roadster (8TT) Tire Sizes & Rim Dimensions by Model Year and Trim
The Audi TT Roadster (8TT) offers a range of tire sizes and rim dimensions depending on the model year and trim level. Common tire markings for early 8TT models include sizes like 225/40ZR18 and 245/35ZR19, with rim widths ranging from 7.5 to 9 inches and diameters usually at 18 or 19 inches.\n\nFrom later model years, higher trims like the S line variants typically feature wider rims and lower profile tires for enhanced handling and performance. The rim width × diameter values help determine the tire footprint and compatibility with factory suspension setups.\n\nWhen comparing trims, always consider the recommended tire pressure and load ratings to maintain optimal performance. Practical guidance for owners is to cross-reference tire markings with original equipment specifications to ensure safety and match the vehicle’s handling characteristics.\n\nThis catalog provides precise references to assist Audi TT Roadster (8TT) owners in identifying the correct tire dimensions by year and trim, helping to preserve driving dynamics and factory aesthetics.
| Make / model / trim | Year | Tire size | Wheel |
|---|---|---|---|
| Audi TT Roadster (8TT) 1.8 T | 2000 | 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 (8TT).
FAQ
- What tire sizes are standard for the Audi TT Roadster (8TT)?
- Standard tire sizes commonly include 225/40ZR18 and 245/35ZR19 depending on the model year and trim.
- How do rim widths vary across Audi TT Roadster (8TT) trims?
- Rim widths typically range from 7.5 to 9 inches, with sportier trims featuring wider rims for improved handling.
- Can I interchange tires between different TT Roadster (8TT) trims?
- You can interchange tires if the dimensions and load ratings match the original specifications for your specific trim and year.
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 |