What are the CO2 emissions of a Kia K4?

Official EU monitoring data for 2025 registrations shows fleet-average CO2 from 146 g/km (WLTP) for the Kia K4, varying by fuel type and configuration; the table on this page lists every year and fuel type.

How many Kia K4 are registered in the EU?

The EEA monitoring database records 347 new Kia K4 registrations in Europe between 2010 and 2025. These are new-car registrations reported by member states, not the number currently on the road.

Kia · EU monitoring data

Kia K4: CO2 & EU registrations

347 new registrations on record, fleet-average CO2 from 146 g/km (WLTP, 2025). Official data reported by EU member states.

By year and fuel type

Fleet averages across all Kia K4 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
2025	Petrol	347	146 g/km	-	6.1 l/100km	1,450	122

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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.