Kg CO2 per litre of diesel vehicles

Diesel produces 2.6391 kgs of CO2 per litre burnt. The precise figures depend on the quality of the fuel. Since fuel weighs less than a kilogram per litre, it is interesting to see how the weight of emissions is multiplied by the addition of oxygen. The tables below show how the official test figures for CO2 emissions and combined MPG can be equated to see how individual vehicles perform in terms of CO2 per litre. Some cars appear to do better than the standard chemistry would suggest, whereas others do worse. The official tests measure exhaust gases only and then calculate the fuel consumption. So these figures show how far off the recording of test results can be due to errors, rounding differences, and the leeway of around 4% given to manufacturers to decide on which fuel consumption figure to use.

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Top 10 CO2 per litre diesel vehicles
make model derivative WLTP CO2 (kg/l) WLTP CO2 (gpkm) Litre per 100km MPG (combined)
makeMercedes-BenzmodelB-ClassderivativeB 180 d AMG Line Premium 8G-DCTWLTP CO2kg/l2.02WLTP CO2gpkm123Litre per 100km6.1MPG (combined)46.3
makeKiamodelSportagederivative1.6 CRDi 2 134hp 48V DCT ISGWLTP CO2kg/l2.11WLTP CO2gpkm141Litre per 100km6.68MPG (combined)42.3
makeMercedes-BenzmodelB-ClassderivativeB 200 d AMG Line Premium 8G-DCTWLTP CO2kg/l2.13WLTP CO2gpkm132Litre per 100km6.19MPG (combined)45.6
makeKiamodelSportagederivative1.6 CRDi 1 114hp 48V ISGWLTP CO2kg/l2.27WLTP CO2gpkm138Litre per 100km6.09MPG (combined)46.4
makeFordmodelNew Transit Custom Nuggetderivative2.0 EcoBlue 320 L1 H1 130PS FWDWLTP CO2kg/l2.3WLTP CO2gpkm191Litre per 100km8.31MPG (combined)34
makeFordmodelNew Transit Custom Nuggetderivative2.0 EcoBlue 320 L1 H1 185PS FWD AutoWLTP CO2kg/l2.32WLTP CO2gpkm207Litre per 100km8.91MPG (combined)31.7
makeFordmodelFocusderivative2.0L EcoBlue Titanium 150PS AutoWLTP CO2kg/l2.33WLTP CO2gpkm128Litre per 100km5.5MPG (combined)51.4
makeHyundaimodelTucsonderivative1.6 CRDi SE Nav 115PS 2WD 48V Mild HybridWLTP CO2kg/l2.33WLTP CO2gpkm135Litre per 100km5.8MPG (combined)48.7
makeFordmodelFocusderivative2.0L EcoBlue Titanium X 150PS AutoWLTP CO2kg/l2.35WLTP CO2gpkm129Litre per 100km5.5MPG (combined)51.4
makeFordmodelFocus Activederivative2.0L EcoBlue Active X Vignale 150PS AutoWLTP CO2kg/l2.35WLTP CO2gpkm129Litre per 100km5.5MPG (combined)51.4
Bottom 10 CO2 per litre diesel vehicles
make model derivative WLTP CO2 (kg/l) WLTP CO2 (gpkm) Litre per 100km MPG (combined)
makeMercedes-BenzmodelV-ClassderivativeV 300 d AMG Line Marco Polo Long 7-speed G-TronicWLTP CO2kg/l3.59WLTP CO2gpkm212Litre per 100km5.9MPG (combined)47.9
makeMercedes-BenzmodelV-ClassderivativeV 220 d AMG Line Marco Polo Long 7-speed G-TronicWLTP CO2kg/l3.53WLTP CO2gpkm212Litre per 100km6MPG (combined)47.1
makeMercedes-BenzmodelV-ClassderivativeV 300 d AMG Line Marco Polo Horizon Long 7-speed G-TronicWLTP CO2kg/l3.53WLTP CO2gpkm208Litre per 100km5.9MPG (combined)47.9
makeMercedes-BenzmodelV-ClassderivativeV 300 d Sport Marco Polo Long 7-speed G-TronicWLTP CO2kg/l3.51WLTP CO2gpkm207Litre per 100km5.9MPG (combined)47.9
makeMercedes-BenzmodelV-ClassderivativeV 300 d Exclusive Long 7-speed G-TronicWLTP CO2kg/l3.49WLTP CO2gpkm206Litre per 100km5.9MPG (combined)47.9
makeMercedes-BenzmodelV-ClassderivativeV 300 d AMG Line Long 7-speed G-TronicWLTP CO2kg/l3.48WLTP CO2gpkm205Litre per 100km5.9MPG (combined)47.9
makeMercedes-BenzmodelGLE NewderivativeGLE 300 d AMG Line Premium Plus 4MATIC 9G-TRONIC (7 seats)WLTP CO2kg/l3.47WLTP CO2gpkm212Litre per 100km6.1MPG (combined)46.3
makeMercedes-BenzmodelV-ClassderivativeV 220 d AMG Line Marco Polo Horizon Long 7-speed G-TronicWLTP CO2kg/l3.47WLTP CO2gpkm208Litre per 100km6MPG (combined)47.1
makeMercedes-BenzmodelV-ClassderivativeV 220 d Sport Marco Polo Long 7-speed G-TronicWLTP CO2kg/l3.45WLTP CO2gpkm207Litre per 100km6MPG (combined)47.1
makeMercedes-BenzmodelGLE NewderivativeGLE 300 d AMG Line Executive 4MATIC 9G-TRONIC (7 seats)WLTP CO2kg/l3.44WLTP CO2gpkm210Litre per 100km6.1MPG (combined)46.3

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