CO₂-emissioner: 9 af 9 versioner vurderet.
Opel Karl Rocks 1.0 Online Edition topper Opel Karl-placeringen efter CO₂-emissioner med 99 g/km.
På tværs af 9 placerede versioner spænder CO₂-emissioner fra 94 g/km til 99 g/km.
| # | Version | Årgang | Karrosseri | Brændstof | CO₂-emissioner |
|---|---|---|---|---|---|
| 1 | Opel Karl Rocks 1.0 Online Edition | 2017 | Hatchback | Benzin | 99 g/km |
| 2 | Opel Karl 1.0 Edition | 2016 | Hatchback | Benzin | 99 g/km |
| 3 | Opel Karl 1.0 Innovation | 2016 | Hatchback | Benzin | 99 g/km |
| 4 | Opel Karl 1.0 120 Jaar Edition | 2019 | Hatchback | Benzin | 94 g/km |
| 5 | Opel Karl Rocks 1.0 Online Edition | 2017 | Hatchback | Benzin | 94 g/km |
| 6 | Opel Karl 1.0 Innovation | 2016 | Hatchback | Benzin | 94 g/km |
| 7 | Opel Karl 1.0 Selection | 2015 | Hatchback | Benzin | 94 g/km |
| 8 | Opel Karl 1.0 Edition | 2015 | Hatchback | Benzin | 94 g/km |
| 9 | Opel Karl 1.0 Cosmo | 2015 | Hatchback | Benzin | 94 g/km |