Opel GT tyre sizes
All factory fitments by generation and engine — 1 sizes across 1 generation.
✓ VALIDATED DATASET
Quick answer
The most common tyre size on the Opel GT is 245/45R18 (overall diameter ≈ 678 mm). Exact fitment depends on generation and engine — full breakdown below.
GT (K/R) 2007 - 2009 - Cabrio (2007–2009)
| Engine | Tyre sizes |
|---|
| GT 2.0 Turbo - 264 PS - Benzin - 1998 Hubraum | 245/45R18 |
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