Spanish new-car sales rose 13 percent to 126,272 in March, restarting a positive trend after a flat February.
However, industry association ANFAC was cautious because growth was just 2.8 percent when adjusted for selling days. A more precise picture of the state of the market will come at the end of April, ANFAC said.
Sales to private customers grew by 12 percent last month. Sales to rental companies rose 9 percent and those to businesses increased 18 percent.
Ford had a strong month with registrations up 52 percent, boosted by a 97 percent leap in sales of the Fiesta, the automaker's best-seller in Spain.
Also strong was Volkswagen Group, whose registrations increased by 22 percent, helped by a 30 percent gain in VW brand sales, 29 percent growth at Audi and a 28 percent increase at Skoda. Seat slightly underperformed the market with a 9 percent rise.
Fiat Chrysler Automobiles' sales grew by 19 percent, with a 15 percent increase for the Fiat brand and a 35 percent gain at Jeep. Alfa Romeo rose 68 percent.
Renault Group's volume increased 17 percent with a 38 percent gain in Renault brand sales compensating for a 15 percent decline in Dacia deliveries.
Toyota and Nissan had a positive month with 12 percent and 24 percent increases, respectively.
• Download PDF, above right, for March, 3-month sales.
Among the worst performers were Honda, whose registrations fell 17 percent, and Opel, whose volume fell 4 percent. PSA Group sales were down 3 percent with sales of Peugeot and Citroen brands each declining by 2 percent. Among premium brands, Mercedes-Benz sales increased 17 percent while BMW Group registrations were up 12 percent with BMW brand's volume rising by 9 percent and Mini's registrations growing by 29 percent.
Registrations through March are up 7 percent to 309,570.
Aniacam, the association of importers, forecasts an 8.7 percent rise in registrations to 1.25 million this year. Financial analysts Evercore ISI predict a more modest 6 percent increase.