Opel Speedster Wheel Lug Pattern, Offset & Center Bore Reference
The Opel Speedster features specific wheel lug patterns essential for proper wheel fitment and safety. Understanding the lug count and pitch circle diameter (PCD) helps ensure compatibility when selecting aftermarket or replacement wheels.\n\nTypically, the Opel Speedster uses a 4 × 100 mm lug pattern combined with a distinct center bore size and offset (ET) values to optimize performance and handling. Offset values vary slightly depending on the model year and wheel type but generally fall within a range suitable for the Speedster's chassis.\n\nRim sizes compatible with the Opel Speedster span from 16 to 18 inches in diameter, with widths and offsets tailored to maintain correct wheel alignment and tire clearance. Accurate use of this data guarantees a secure fit and prevents damage to the wheel bearings or suspension components.\n\nFor enthusiasts and mechanics, referencing the year-sorted Opel Speedster wheel lug pattern catalog on our site provides detailed specifications, ensuring each wheel change meets factory standards and supports vehicle safety.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Opel Speedster 2.2 | 2019 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2018 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2017 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2016 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2015 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2014 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2013 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2012 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2011 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2010 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2009 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2008 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.0 Turbo | 2007 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2007 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.0 Turbo | 2006 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2006 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.0 Turbo | 2005 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2005 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.0 Turbo | 2004 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2004 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.0 Turbo | 2003 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2003 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2002 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2001 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
| Opel Speedster 2.2 | 2000 | 175/55R17 | 5.5 | 17 | 5×110 | 35 | 65.1 | M12*1,5 |
FAQ
- What is the common lug pattern for the Opel Speedster?
- The Opel Speedster typically uses a 4 × 100 mm lug pattern.
- Why is wheel offset (ET) important for the Opel Speedster?
- The wheel offset affects clearance and handling, ensuring wheels fit without rubbing suspension or body parts.
- What center bore size does the Opel Speedster require?
- The Opel Speedster has a specific center bore size that must match for proper wheel mounting and 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 |
