Car sales in Europe have risen by 4.3 percent in May according to registrations data published on Tuesday.
Skoda, Renault and Opel posted stronger growth than premium brands BMW and Audi.
Europe’s car market has shown signs of recovery from a six-year slump but excess production capacity, heavy discounting and incentives have distorted the real level of demand.
Five-month sales in the region of 30 countries excluding Malta were up 6.6 percent compared with the same period in 2013.
Deliveries have particularly surged in the southern markets of Spain, Portugal and Greece.