Emisija CO₂: 9 od 9 verzija ima podatke.
Opel Karl Rocks 1.0 Online Edition predvodi rang-listu Opel Karl po Emisija CO₂, sa 99 g/km.
Među 9 rangiranih varijanti, Emisija CO₂ se kreće od 94 g/km do 99 g/km.
| # | Verzija | Godina | Karoserija | Gorivo | Emisija CO₂ |
|---|---|---|---|---|---|
| 1 | Opel Karl Rocks 1.0 Online Edition | 2017 | Hečbek | Benzin | 99 g/km |
| 2 | Opel Karl 1.0 Edition | 2016 | Hečbek | Benzin | 99 g/km |
| 3 | Opel Karl 1.0 Innovation | 2016 | Hečbek | Benzin | 99 g/km |
| 4 | Opel Karl 1.0 120 Jaar Edition | 2019 | Hečbek | Benzin | 94 g/km |
| 5 | Opel Karl Rocks 1.0 Online Edition | 2017 | Hečbek | Benzin | 94 g/km |
| 6 | Opel Karl 1.0 Innovation | 2016 | Hečbek | Benzin | 94 g/km |
| 7 | Opel Karl 1.0 Selection | 2015 | Hečbek | Benzin | 94 g/km |
| 8 | Opel Karl 1.0 Edition | 2015 | Hečbek | Benzin | 94 g/km |
| 9 | Opel Karl 1.0 Cosmo | 2015 | Hečbek | Benzin | 94 g/km |