Kg CO2 per litre of diesel

If you burn a litre of diesel this will produce 2.6391 kgs of carbon dioxide. Petrol has a lower carbon content and so produces 2.3035 kgs of CO2. 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
makemodelderivativeCO2 (kg/l)CO2 (gpkm)Litre per 100kmMPG (combined)
makeMercedes-BenzmodelE-Class EstatederivativeE 300 de SE EQ Power 9G-TRONIC PLUSCO2kg/l0.86CO2gpkm44Litre per 100km5.1MPG (combined)55.4
makeJeepmodelWrangler Newderivative2.2 MultiJet II Rubicon 200hp Auto 2drCO2kg/l2.11CO2gpkm211Litre per 100km10.02MPG (combined)28.2
makeRenaultmodelScenicderivative1.7 Blue dCi 120 IconicCO2kg/l2.15CO2gpkm129Litre per 100km6MPG (combined)47.1
makeJeepmodelWrangler Newderivative2.2 MultiJet II Sahara 200hp Auto 2drCO2kg/l2.2CO2gpkm198Litre per 100km9MPG (combined)31.4
makeBMWmodel7 Seriesderivative730d xDrive Sport-AutoCO2kg/l2.24CO2gpkm132Litre per 100km5.9MPG (combined)47.9
makeJaguarmodelXEderivative2.0 Diesel Landmark 240PS AWD AutoCO2kg/l2.25CO2gpkm162Litre per 100km7.21MPG (combined)39.2
makeJeepmodelRenegade Newderivative1.0 MultiJet II 120hp Sport 4x2CO2kg/l2.26CO2gpkm138Litre per 100km6.1MPG (combined)46.3
makeVolkswagenmodelGolf 3 Doorderivative1.6 TDI GT 115PS BMTCO2kg/l2.26CO2gpkm111Litre per 100km4.9MPG (combined)57.6
makeVolkswagenmodelGolf 5 Doorderivative1.6 TDI GT 115PS BMTCO2kg/l2.26CO2gpkm111Litre per 100km4.9MPG (combined)57.6
makeMercedes-BenzmodelGLE NewderivativeGLE 450 d AMG Line 4MATIC 9G-TRONIC 7-seatCO2kg/l2.27CO2gpkm191Litre per 100km8.41MPG (combined)33.6
Bottom 10 CO2 per litre diesel vehicles
makemodelderivativeCO2 (kg/l)CO2 (gpkm)Litre per 100kmMPG (combined)
makeFordmodelTransit Double Cab-in-Vanderivative2.0 TDCi 350 L2 H3 Base 130PS FWD SRWCO2kg/l4.13CO2gpkm285Litre per 100km6.91MPG (combined)40.9
makeMercedes-BenzmodelCLA Shooting BrakederivativeCLA 220 d AMG Line Night Edition 7G-DCTCO2kg/l3.43CO2gpkm144Litre per 100km4.2MPG (combined)67.3
makeAlfa RomeomodelGiuliettaderivative1.6 JTDM-2 Super 120hp ALFA TCTCO2kg/l3.26CO2gpkm124Litre per 100km3.8MPG (combined)74.3
makeFordmodelMondeo Estatederivative2.0 Duratorq TDCi ST-Line Edition 180PS AWD PowershiftCO2kg/l3.11CO2gpkm165Litre per 100km5.3MPG (combined)53.3
makeFordmodelMondeo Vignale Estatederivative2.0 Duratorq TDCi 180PS AWD PowershiftCO2kg/l3.11CO2gpkm165Litre per 100km5.3MPG (combined)53.3
makeKiamodelStonicderivative1.6 CRDi First Edition 108hp ISGCO2kg/l3.1CO2gpkm130Litre per 100km4.2MPG (combined)67.3
makeMercedes-BenzmodelCLA Shooting BrakederivativeCLA 220 d AMG Line Night Edition 4MATIC 7G-DCTCO2kg/l3.09CO2gpkm148Litre per 100km4.8MPG (combined)58.9
makeFordmodelMondeoderivative2.0 Duratorq TDCi ST-Line Edition 180PS AWD PowershiftCO2kg/l3.04CO2gpkm161Litre per 100km5.3MPG (combined)53.3
makeFordmodelMondeo Vignalederivative2.0 Duratorq TDCi 180PS AWD PowershiftCO2kg/l3.04CO2gpkm161Litre per 100km5.3MPG (combined)53.3
makePeugeotmodelTraveller Businessderivative2.0L BlueHDi Long Business 180 S&SCO2kg/l2.96CO2gpkm166Litre per 100km5.6MPG (combined)50.4