| Engine size | Percentage | CO2 emissions (g/km) | Fuel consumption (L/100km) |
| Small (<1.4 L) | 8% | 185 | 7.95 |
| Medium (1.4 - 2.0 L) | 32% | 200 | 8.48 |
| Large (>2.0 L) | 60% | 218 | 9.24 |