FRANKFURT -- German new-car registrations rose 8.4 percent to 315,921 last month, the country's federal motor transport authority said on Tuesday.
The figures were an improvement on March, when volume was flat for the first time in almost a year of growth.
The data showed mixed fortunes for Volkswagen Group's brands.
Sales at VW brand, which has been worst hit by the company's emissions-rigging crisis, increased 3.1 percent. Audi registrations rose 10 percent and Porsche's volume jumped 22 percent. Seat brand's volume fell 1.8 percent, while Skoda deliveries were up 5.4 percent.
Big winners included Fiat, whose sales jumped 19 percent, Volvo whose sales increased 22 percent and Mini, which had a 25 percent gain.
Opel sales rose 6.7 percent and Ford's volume was up 5.6 percent.
• Download German sales here for April, 4 months
Four-month sales rose 5.6 percent to 1.10 million cars.
Germany's rise followed robust gains in other key European markets last month. Sales in France rose 6.5 percent, while Italian registrations jumped 12 percent. In Spain, volume was up 21 percent.