The company said its sales for the first four months of its financial year increased to £1.7 billion from £1.5bn last year.
Sale volumes at the company, best known for its 911 model, rose by 18% to 30,700.
Out of Porsche’s three model series, the Cayenne is accelerating fastest in the market, with sales expected to increase by 76% to approximately 13,400 units.
Porsche predicts its Boxster model series, which includes the Cayman, will decrease in sales by 17% to 6,500 cars.
The manufacturer said it intends to maintain the high level of sales in 2008 by introducing new models like the Cayenne GTS, the 911 Turbo Cabriolet and the 911 GT2, and from the ongoing growth in the future markets like China and Russia.
A recent law change means Porsche is able to up its stake in Volkswagen from 31%. Porsche has yet to commit, but many expect a takeover bid next year.