| PCD | 5x110 |
|---|---|
| Centre bore (hub) | 65.1 mm |
| Nut / bolt thread | Ecrous - 12x1.50 |
| Tightening torque | 140 Nm |
| Wheel | Offset | Tyre | Version |
|---|---|---|---|
| 8Jx18 | ET55 | 245/45R18 |
Values for guidance only, to be confirmed on the vehicle (original wheel, certificate of conformity). Caliper clearance and approved fitments still need checking.
Source: monentraxe.fr/en/opel/gt-convertible · accessed on 10 Oct 2026