What are the CO2 emissions of a Porsche 718 Cayman GT4?

Official EU monitoring data for 2023 registrations shows fleet-average CO2 from 254.5 g/km (WLTP) for the Porsche 718 Cayman GT4, varying by fuel type and configuration; the table on this page lists every year and fuel type.

How many Porsche 718 Cayman GT4 are registered in the EU?

The EEA monitoring database records 2,769 new Porsche 718 Cayman GT4 registrations in Europe between 2010 and 2025. These are new-car registrations reported by member states, not the number currently on the road.

Porsche · EU monitoring data

Porsche 718 Cayman GT4: CO2 & EU registrations

2,769 new registrations on record, fleet-average CO2 from 254.5 g/km (WLTP, 2023). Official data reported by EU member states.

By year and fuel type

Fleet averages across all Porsche 718 Cayman GT4 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
2023	Petrol	286	254.5 g/km	-	11.2 l/100km	1,514	320
2022	Petrol	254	243.7 g/km	-	10.7 l/100km	1,520	309
2021	Petrol	658	244.7 g/km	-	10.7 l/100km	1,516	309
2020	Petrol	1,304	250.9 g/km	248.9 g/km	-	1,495	309
2019	Petrol	267	251.4 g/km	249 g/km	-	1,495	309

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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.