CO₂ emissions: 8 of 8 variants rated.
Daihatsu Copen Type S tops the Daihatsu Copen ranking by CO₂ emissions, at 151 g/km.
Across 8 ranked variants, CO₂ emissions spans from 140 g/km to 151 g/km.
| # | Variant | Year | Body | Fuel | CO₂ emissions |
|---|---|---|---|---|---|
| 1 | Daihatsu Copen Type S | 2004 | Convertible | Petrol | 151 g/km |
| 2 | Daihatsu Copen Type 1 | 2004 | Convertible | Petrol | 151 g/km |
| 3 | Daihatsu Copen Type 2 | 2004 | Convertible | Petrol | 151 g/km |
| 4 | Daihatsu Copen Type 3 | 2004 | Convertible | Petrol | 151 g/km |
| 5 | Daihatsu Copen Roadster 1.3 16V DVVT | 2006 | Convertible | Petrol | 140 g/km |
| 6 | Daihatsu Copen Roadster 1.3 16V DVVT Sport | 2006 | Convertible | Petrol | 140 g/km |
| 7 | Daihatsu Copen Roadster 1.3 16V DVVT Classic | 2006 | Convertible | Petrol | 140 g/km |
| 8 | Daihatsu Copen Roadster 1.3 16V DVVT GT | 2006 | Convertible | Petrol | 140 g/km |