Kg CO2 per horsepower

Top 10 CO2/HP cars
Make Model Derivative CO2/HP CO2 HP List price
Mercedes-Benz S-Class Saloon S 560 e EQ Power AMG Line L 9G-TRONIC 0.16 59 367 £97,560
Bentley Bentayga Hybrid 3.0 V6 Hybrid Auto 0.17 79 474 £133,105
Peugeot 508 Fastback HYBRID GT Line 225 e-EAT8 S&S Old 0.17 38 225 £36,695
Peugeot 508 SW HYBRID GT Line 225 e-EAT8 S&S Old 0.17 39 225 £38,295
Hyundai IONIQ Plug-in Hybrid 1.6 GDi Premium 141ps DCT 0.19 26 139 £30,450
Kia Niro Plug-in Hybrid 1.6 GDi 2 139bhp DCT 0.21 29 139 £30,515
LEVC TX5 ICON 31kWh Auto 0.22 24 108 £54,690
Toyota Prius Plug-In 1.8 VVT-i Business Edition Plus Hybrid Auto 0.24 29 122 £32,645
Mitsubishi Outlander PHEV 2.4 Design 4WD Auto 0.30 40 133 £36,825
Mercedes-Benz S-Class Saloon S 63 L AMG AMG SPEEDSHIFT MCT 0.38 233 612 £129,565
Bottom 10 CO2/HP cars
Make Model Derivative CO2/HP CO2 HP List price
LTI TX4 2.8 LE Auto 2.20 222 101 £46,010
Ford Transit Double Cab-in-Van 2.0 EcoBlue 350 L2 H2 Leader 130PS AWD SRW 1.95 250 128 £46,953
Volkswagen Transporter Kombi Crew Van T6.1 2.0 TDI T32 Startline LWB BMT 110PS 1.89 204 108 £33,312
Volkswagen Transporter Kombi Crew Van T6.1 2.0 TDI T32 Highline SWB BMT 110PS 1.88 203 108 £36,834
Volkswagen Transporter Kombi Crew Van T6.1 2.0 TDI T30 Highline SWB BMT 110PS 1.86 201 108 £35,772
Volkswagen Transporter Kombi Crew Van T6.1 2.0 TDI T30 Startline SWB BMT 110PS 1.85 200 108 £31,728
Vauxhall Movano Doublecab New 3500 2.3 130PS Turbo D Edition L3H2 RWD 1.75 224 128 £44,434
Hyundai iLoad 2.5 CRDi SE Crew 116PS 1.75 199 114 £24,394
Ford Transit Custom Doublecab 2.0 EcoBlue 300 Leader L2 H1 105PS FWD 1.63 170 104 £32,719
Fiat Fiorino Crew Van 1.3 MultiJet II Crew 80hp 1.63 130 80 £19,628