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

Official EU monitoring data for 2025 registrations shows fleet-average CO2 from 294.8 g/km (WLTP) for the Porsche 718 Cayman GT4 RS, varying by fuel type and configuration; the table on this page lists every year and fuel type.

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

The EEA monitoring database records 3,086 new Porsche 718 Cayman GT4 RS 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 RS: CO2 & EU registrations

3,086 new registrations on record, fleet-average CO2 from 294.8 g/km (WLTP, 2025). Official data reported by EU member states.

By year and fuel type

Fleet averages across all Porsche 718 Cayman GT4 RS 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	805	294.8 g/km	-	12.9 l/100km	1,490	368
2024	Petrol	726	295.2 g/km	-	13 l/100km	1,490	368
2023	Petrol	928	298.9 g/km	-	13.2 l/100km	1,490	367
2022	Petrol	627	299 g/km	-	13.1 l/100km	1,493	368

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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.