Top speed: 9 of 9 variants rated.
| # | Variant | Year | Body | Fuel | Top speed |
|---|---|---|---|---|---|
| 1 | Opel Karl 1.0 120 Jaar Edition | 2019 | Hatchback | Petrol | 170 km/h (106 mph) |
| 2 | Opel Karl Rocks 1.0 Online Edition | 2017 | Hatchback | Petrol | 170 km/h (106 mph) |
| 3 | Opel Karl 1.0 Edition | 2016 | Hatchback | Petrol | 170 km/h (106 mph) |
| 4 | Opel Karl 1.0 Innovation | 2016 | Hatchback | Petrol | 170 km/h (106 mph) |
| 5 | Opel Karl 1.0 Innovation | 2016 | Hatchback | Petrol | 170 km/h (106 mph) |
| 6 | Opel Karl 1.0 Selection | 2015 | Hatchback | Petrol | 170 km/h (106 mph) |
| 7 | Opel Karl 1.0 Edition | 2015 | Hatchback | Petrol | 170 km/h (106 mph) |
| 8 | Opel Karl 1.0 Cosmo | 2015 | Hatchback | Petrol | 170 km/h (106 mph) |
| 9 | Opel Karl Rocks 1.0 Online Edition | 2017 | Hatchback | Petrol | 168 km/h (104 mph) |