Kg CO2 per horsepower
Top 10 CO2/HP Cars
| Make | Model | Derivative | CO2/HP | CO2 | HP | List price |
|---|---|---|---|---|---|---|
| LEVC | TX5 | VISTA 31kWh Auto | 24.00 | 24 | 81 | £57,099 |
| Hyundai | IONIQ Plug-in Hybrid | 1.6 GDi PHEV Premium 141hp DCT | 26.00 | 26 | 141 | £28,395 |
| Toyota | Prius Plug-In Hybrid | 1.8 VVT-i Business Edition Plus Auto | 28.00 | 28 | 122 | £31,695 |
| Kia | Niro Plug-in Hybrid | 1.6 GDi PHEV 139bhp DCT | 29.00 | 29 | 139 | £30,845 |
| Kia | New Optima Sportswagon Plug-In Hybrid | 2.0 GDi PHEV 202hp DCT | 33.00 | 33 | 202 | £35,145 |
| Kia | Optima Plug-In Hybrid | 2.0 GDi PHEV 202hp Auto | 37.00 | 37 | 202 | £33,995 |
| Audi | A3 Sportback e-tron | 1.4 TFSI e-tron 150PS S Tronic | 38.00 | 38 | 148 | £36,455 |
| Mitsubishi | Outlander PHEV | 2.4 4h 4WD Auto | 40.00 | 40 | 133 | £39,500 |
| Mercedes-Benz | E-Class Saloon | E 300 de AMG Line EQ Power 9G-TRONIC PLUS | 41.00 | 41 | 194 | £50,195 |
| BMW | i8 | Coupé 266kW Auto | 42.00 | 42 | 374 | £114,935 |
Bottom 10 CO2/HP Cars
| Make | Model | Derivative | CO2/HP | CO2 | HP | List price |
|---|---|---|---|---|---|---|
| Jeep | Grand Cherokee | 6.2 V8 HEMI TrackHawk Supercharged Auto | 395.00 | 395 | 710 | £89,999 |
| Lamborghini | Aventador | 6.5 V12 LP 700-4 Coupe Auto | 370.00 | 370 | 700 | £266,985 |
| Lamborghini | Aventador | 6.5 V12 LP 750-4 Superveloce Coupe Auto | 370.00 | 370 | 750 | £322,023 |
| Bentley | Continental GTC | 6.0 W12 GTC Supersports 710PS Auto | 362.00 | 362 | 700 | £235,925 |
| Bentley | Continental GT | 6.0 W12 GT Supersports 710PS Auto | 358.00 | 358 | 700 | £214,625 |
| Ferrari | GTC4Lusso | 6.3 V12 690hp Auto | 350.00 | 350 | 690 | £232,500 |
| Bentley | Continental GTC | 6.0 W12 GTC Speed 635PS Auto | 347.00 | 347 | 626 | £187,925 |
| Bentley | Mulsanne | 6.8 V8 512PS Auto | 342.00 | 342 | 505 | £232,605 |
| Bentley | Mulsanne | 6.8 V8 Speed 537PS Auto | 342.00 | 342 | 530 | £255,245 |
| Rolls-Royce | Cullinan | 6.75 V12 AWD Auto | 341.00 | 341 | 563 | £256,125 |