What are the CO2 emissions of a Smart Forfour Passion Auto?

Official EU monitoring data for 2019 registrations shows fleet-average CO2 from 137.6 g/km (WLTP) for the Smart Forfour Passion Auto, varying by fuel type and configuration; the table on this page lists every year and fuel type.

How many Smart Forfour Passion Auto are registered in the EU?

The EEA monitoring database records 780 new Smart Forfour Passion Auto registrations in Europe between 2010 and 2025. These are new-car registrations reported by member states, not the number currently on the road.

Smart · EU monitoring data

Smart Forfour Passion Auto: CO2 & EU registrations

780 new registrations on record, fleet-average CO2 from 137.6 g/km (WLTP, 2019). Official data reported by EU member states.

By year and fuel type

Fleet averages across all Smart Forfour Passion Auto registrations of that year and fuel. CO2 is WLTP where available (NEDC shown for older years). Consumption is l/100km for combustion, Wh/km for electric.

Year	Fuel	Registrations	CO2 WLTP	CO2 NEDC	Consumption	Mass kg	Power kW
2019	Petrol	54	137.6 g/km	113.5 g/km	-	1,005	-
2018	Petrol	169	137.7 g/km	103.4 g/km	-	1,005	-
2017	Petrol	177	-	96 g/km	-	1,005	-
2016	Petrol	332	-	-	-	1,005	-
2015	Petrol	48	-	-	-	1,005	-

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Source: European Environment Agency, CO2 emissions from new passenger cars (Regulation (EU) 2019/631 monitoring), CC-BY 4.0, attribution EEA / DG CLIMA. Figures are fleet averages of new registrations, not per-vehicle values. Details on About & Data Sources.