Opel Adam Wheel Lug Pattern, Offset ET & Center Bore Reference
The Opel Adam features specific wheel lug patterns, offset (ET), and center bore dimensions essential for proper wheel fitment. Knowing exact lug count and pitch circle diameter (PCD) ensures compatibility with aftermarket and replacement wheels.\n\nOpel Adam wheel lug patterns typically use a 4×100 mm PCD, though verifying by model year is recommended. Offset values (ET) range between 35 and 45 mm, balancing clearance and wheel positioning within the wheel well.\n\nCenter bore size for the Opel Adam is commonly 56.6 mm, critical for wheel hub centering. Rim sizes vary from 15 to 18 inches depending on trim and production year, influencing both aesthetics and performance.\n\nUse the year-sorted Opel Adam wheel lug pattern and offset table on this site to confirm precise wheel fitment data before purchasing or installing new wheels.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Opel Adam 1.0 | 2019 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.2 | 2019 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 | 2019 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 LPG | 2019 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 S | 2019 | 175/70R14 | 5.5 | 14 | 5×110 | 39 | 65.1 | M12*1.5 |
| Opel Adam 1.0 | 2018 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.2 | 2018 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 | 2018 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 LPG | 2018 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 S | 2018 | 175/70R14 | 5.5 | 14 | 5×110 | 39 | 65.1 | M12*1.5 |
| Opel Adam 1.0 | 2017 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.2 | 2017 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 | 2017 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 LPG | 2017 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 S | 2017 | 175/70R14 | 5.5 | 14 | 5×110 | 39 | 65.1 | M12*1.5 |
| Opel Adam 1.0 | 2016 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.2 | 2016 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 | 2016 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 LPG | 2016 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 S | 2016 | 175/70R14 | 5.5 | 14 | 5×110 | 39 | 65.1 | M12*1.5 |
| Opel Adam 1.0 | 2015 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.2 | 2015 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 | 2015 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 LPG | 2015 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 S | 2015 | 175/70R14 | 5.5 | 14 | 5×110 | 39 | 65.1 | M12*1.5 |
| Opel Adam 1.0 | 2014 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.2 | 2014 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 | 2014 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 LPG | 2014 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 S | 2014 | 175/70R14 | 5.5 | 14 | 5×110 | 39 | 65.1 | M12*1.5 |
| Opel Adam 1.0 | 2013 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.2 | 2013 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 | 2013 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 LPG | 2013 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.2 | 2012 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
| Opel Adam 1.4 | 2012 | 175/70R14 | 5.5 | 14 | 4×100 | 39 | 56.6 | M12*1.5 |
FAQ
- What is the standard wheel lug pattern for Opel Adam?
- The Opel Adam standard wheel lug pattern is 4×100 mm PCD, but checking your specific model year is advised.
- What offset (ET) values does Opel Adam use for wheels?
- Opel Adam wheels typically have an offset between 35 and 45 mm, depending on year and trim.
- Why is center bore important for Opel Adam wheels?
- The center bore, usually 56.6 mm for Opel Adam, centers the wheel on the hub to prevent vibrations and ensure safe 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 |