Volvo and Smart were the only brands with volume gains, with Volvo sales up 1.4 percent and Smart's registrations up 64 percent.
Sales at Volkswagen Group dropped by 19 percent, with Seat down 24 percent, VW brand down 22 percent, Audi down 16 percent, Skoda down 14 percent and Porsche down 7.2 percent.
Stellantis, comprising PSA Group and Fiat Chrysler brands, fell 22 percent. The Fiat and Opel brands saw their sales plunge 28 percent. Citroen's volume fell by 23 percent and Peugeot was down 12 percent. Registrations of DS cars plunged 47 percent and Alfa Romeo was down 44 percent. Jeep's decline was a modest 5.3 percent.
Renault Group reported a fall of 29 percent with the Renault brand down 35 percent and Dacia down 14 percent.
Among other brands, Nissan's registrations fell 35 percent and Ford's sales were down 23 percent. Hyundai's volume also dropped by 23 percent while sister brand Kia saw its registrations fall by 15 percent.
Toyota brand sales dropped by 11 percent.
Mercedes-Benz registrations were down 23 percent and BMW brand's volume fell 14 percent. Lexus was down 31 percent.