What are the CO2 emissions of a Mazda Cx-30 / G122?

Official EU monitoring data for 2025 registrations shows fleet-average CO2 from 135 g/km (WLTP) for the Mazda Cx-30 / G122, varying by fuel type and configuration; the table on this page lists every year and fuel type.

How many Mazda Cx-30 / G122 are registered in the EU?

The EEA monitoring database records 762 new Mazda Cx-30 / G122 registrations in Europe between 2010 and 2025. These are new-car registrations reported by member states, not the number currently on the road.

Mazda · EU monitoring data

Mazda Cx-30 / G122: CO2 & EU registrations

762 new registrations on record, fleet-average CO2 from 135 g/km (WLTP, 2025). Official data reported by EU member states.

By year and fuel type

Fleet averages across all Mazda Cx-30 / G122 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	10	135 g/km	-	5.9 l/100km	1,456	90
2024	Petrol	118	134 g/km	-	5.9 l/100km	1,451	90
2023	Petrol	108	134 g/km	-	5.9 l/100km	1,446	90
2022	Petrol	119	134.8 g/km	-	5.9 l/100km	1,439	90
2021	Petrol	247	135.8 g/km	-	6 l/100km	1,396	90
2020	Petrol	160	141 g/km	116 g/km	-	1,395	90

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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.