What are the CO2 emissions of a BMW 340i?

Official EU monitoring data for 2020 registrations shows fleet-average CO2 from 203.3 g/km (WLTP) for the BMW 340i, varying by fuel type and configuration; the table on this page lists every year and fuel type.

How many BMW 340i are registered in the EU?

The EEA monitoring database records 4,007 new BMW 340i registrations in Europe between 2010 and 2025. These are new-car registrations reported by member states, not the number currently on the road.

BMW · EU monitoring data

BMW 340i: CO2 & EU registrations

4,007 new registrations on record, fleet-average CO2 from 203.3 g/km (WLTP, 2020). Official data reported by EU member states.

By year and fuel type

Fleet averages across all BMW 340i 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	35	203.3 g/km	176 g/km	-	1,745	240
2019	Petrol	658	204.9 g/km	172.5 g/km	-	1,683	240
2018	Petrol	882	207.2 g/km	166.8 g/km	-	1,676	240
2017	Petrol	572	-	163.8 g/km	-	1,668	240
2016	Petrol	1,377	-	-	-	1,651	240
2015	Petrol	483	-	-	-	1,641	240

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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.