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)
makeCitroenmodelRelay Panel Crew VanderivativeBlueHDi 140 S&S 35 L2H1 EnterpriseWLTP CO2kg/l1.97WLTP CO2gpkm162Litre per 100km8.24MPG (combined)34.3
makeMercedes-BenzmodelCLA Shooting BrakederivativeCLA 220 d AMG Line 8G-DCTWLTP CO2kg/l1.98WLTP CO2gpkm135Litre per 100km6.81MPG (combined)41.5
makeMercedes-BenzmodelCLA Shooting BrakederivativeCLA 220 d AMG Line Premium Plus 8G-DCTWLTP CO2kg/l2WLTP CO2gpkm136Litre per 100km6.81MPG (combined)41.5
makeSKODAmodelOCTAVIA Hatchderivative2.0 TDI SE L 150PS SCRWLTP CO2kg/l2.02WLTP CO2gpkm109Litre per 100km5.4MPG (combined)52.3
makeSKODAmodelOCTAVIA Hatchderivative2.0 TDI SE Technology 150PS SCRWLTP CO2kg/l2.04WLTP CO2gpkm110Litre per 100km5.4MPG (combined)52.3
makeMercedes-BenzmodelVito Crewderivative110 CDI RWD PROGRESSIVE L1WLTP CO2kg/l2.13WLTP CO2gpkm175Litre per 100km8.21MPG (combined)34.4
makeMercedes-BenzmodelVito Crewderivative110 CDI RWD PROGRESSIVE L2WLTP CO2kg/l2.16WLTP CO2gpkm177Litre per 100km8.21MPG (combined)34.4
makeCitroenmodelC4 NewderivativeBlueHDi 130 Sense Plus EAT8WLTP CO2kg/l2.17WLTP CO2gpkm120Litre per 100km5.53MPG (combined)51.1
makeMercedes-BenzmodelVito Crewderivative110 CDI RWD PROGRESSIVE L3WLTP CO2kg/l2.17WLTP CO2gpkm178Litre per 100km8.21MPG (combined)34.4
makeCitroenmodelC4 NewderivativeBlueHDi 130 Shine Plus S&S EAT8WLTP CO2kg/l2.19WLTP CO2gpkm121Litre per 100km5.53MPG (combined)51.1
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 Sport Marco Polo Long 7-speed G-TronicWLTP CO2kg/l3.56WLTP CO2gpkm210Litre per 100km5.9MPG (combined)47.9
makeRenaultmodelMaster Crew VanderivativeLM35 dCi 135 Business+ L3H2 7-seat FWDWLTP CO2kg/l3.56WLTP CO2gpkm253Litre per 100km7.1MPG (combined)39.8
makeRenaultmodelMaster Crew VanderivativeLM35 dCi 135 Business L3H2 7-seat FWDWLTP CO2kg/l3.55WLTP CO2gpkm252Litre per 100km7.1MPG (combined)39.8
makeRenaultmodelMaster Crew VanderivativeMM35 dCi 135 Business+ L2H2 7-seat FWDWLTP CO2kg/l3.52WLTP CO2gpkm250Litre per 100km7.1MPG (combined)39.8
makeRenaultmodelMaster Crew VanderivativeMM35 dCi 135 Business L2H2 7-seat FWDWLTP CO2kg/l3.51WLTP CO2gpkm249Litre per 100km7.1MPG (combined)39.8
makeMercedes-BenzmodelV-ClassderivativeV 300 d Sport Extra Long 7-speed G-TronicWLTP CO2kg/l3.48WLTP CO2gpkm205Litre per 100km5.9MPG (combined)47.9
makeMercedes-BenzmodelV-ClassderivativeV 300 d Sport Long 7-speed G-TronicWLTP CO2kg/l3.46WLTP CO2gpkm204Litre per 100km5.9MPG (combined)47.9
makeMazdamodelMazda CX-5derivative2.2 Sport 184PS Skyactiv-D AWD AutoWLTP CO2kg/l3.45WLTP CO2gpkm173Litre per 100km5.02MPG (combined)56.3
makeMazdamodelMazda CX-5 Newderivative2.2 Sport 184PS Skyactiv-D AWD AutoWLTP CO2kg/l3.45WLTP CO2gpkm173Litre per 100km5.02MPG (combined)56.3
makeRenaultmodelTrafic Crew VanderivativeSL30 ENERGY dCi 120 Business L1H1WLTP CO2kg/l3.43WLTP CO2gpkm192Litre per 100km5.6MPG (combined)50.4

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