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

Official EU monitoring data for 2025 registrations shows fleet-average CO2 from 139.2 g/km (WLTP) for the Mazda Mazda Cx-30, varying by fuel type and configuration; the table on this page lists every year and fuel type.

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

The EEA monitoring database records 183,654 new Mazda Mazda Cx-30 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 Mazda Cx-30: CO2 & EU registrations

183,654 new registrations on record, fleet-average CO2 from 139.2 g/km (WLTP, 2025). Official data reported by EU member states.

By year and fuel type

Fleet averages across all Mazda Mazda Cx-30 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	35,345	141 g/km	-	6.3 l/100km	1,494	109
2025	Petrol/electric (hybrid)	700	139.2 g/km	-	6.3 l/100km	1,505	123
2024	Petrol	31,799	139.1 g/km	-	6.2 l/100km	1,486	111
2023	Petrol	26,922	137.6 g/km	-	6.1 l/100km	1,485	113
2022	Petrol	22,950	137.1 g/km	-	5.8 l/100km	1,484	113
2021	Diesel	313	143.9 g/km	-	5.4 l/100km	1,432	85
2021	Petrol	26,856	138.5 g/km	-	6.1 l/100km	1,476	113
2020	Diesel	1,863	143.6 g/km	120.8 g/km	-	1,431	85
2020	Petrol	27,663	145 g/km	117.8 g/km	-	1,443	113
2019	Diesel	670	143.3 g/km	120.7 g/km	-	1,431	85
2019	Petrol	8,573	146 g/km	119.2 g/km	-	1,445	108

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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.