What are the CO2 emissions of a Smart Forfour?

Official EU monitoring data for 2020 registrations shows fleet-average CO2 from 137.3 g/km (WLTP) for the Smart Forfour, varying by fuel type and configuration; the table on this page lists every year and fuel type.

How many Smart Forfour are registered in the EU?

The EEA monitoring database records 150,734 new Smart Forfour 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: CO2 & EU registrations

150,734 new registrations on record, fleet-average CO2 from 137.3 g/km (WLTP, 2020). Official data reported by EU member states.

By year and fuel type

Fleet averages across all Smart Forfour 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
2020	Petrol	25	137.3 g/km	112.4 g/km	-	1,011	56
2019	Electric	454	0 g/km	0 g/km	131 Wh/km	1,200	41
2019	Petrol	30,114	137.8 g/km	115.9 g/km	-	1,006	58
2018	Electric	333	0 g/km	0 g/km	134 Wh/km	1,200	41
2018	Petrol	26,706	137.5 g/km	103.4 g/km	-	1,003	58
2017	Electric	374	-	0 g/km	131 Wh/km	1,200	41
2017	Petrol	26,880	-	97.3 g/km	-	1,002	57
2016	Petrol	30,452	-	-	-	996	56
2015	Petrol	31,731	-	-	-	983	54
2014	Petrol	3,665	-	-	-	975	52

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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.