CO₂ emissions: 9 of 9 variants rated.
Opel Karl Rocks 1.0 Online Edition tops the Opel Karl ranking by CO₂ emissions, at 99 g/km.
Across 9 ranked variants, CO₂ emissions spans from 94 g/km to 99 g/km.
| # | Variant | Year | Body | Fuel | CO₂ emissions |
|---|---|---|---|---|---|
| 1 | Opel Karl Rocks 1.0 Online Edition | 2017 | Hatchback | Petrol | 99 g/km |
| 2 | Opel Karl 1.0 Edition | 2016 | Hatchback | Petrol | 99 g/km |
| 3 | Opel Karl 1.0 Innovation | 2016 | Hatchback | Petrol | 99 g/km |
| 4 | Opel Karl 1.0 120 Jaar Edition | 2019 | Hatchback | Petrol | 94 g/km |
| 5 | Opel Karl Rocks 1.0 Online Edition | 2017 | Hatchback | Petrol | 94 g/km |
| 6 | Opel Karl 1.0 Innovation | 2016 | Hatchback | Petrol | 94 g/km |
| 7 | Opel Karl 1.0 Selection | 2015 | Hatchback | Petrol | 94 g/km |
| 8 | Opel Karl 1.0 Edition | 2015 | Hatchback | Petrol | 94 g/km |
| 9 | Opel Karl 1.0 Cosmo | 2015 | Hatchback | Petrol | 94 g/km |