Porsche Cars North America's sales increased 41% to 3,211 vehicles in October 2012, compared to 2,270 vehicles sold for the same period in 2011.
For the year, Porsche has sold 28,226 cars in the US, up 13%, compared to 24,934 units sold in the same period last year.
Sales of the company's 911 models increased about 34% in October 2012 and the sales of Cayenne sport utility rose 64%.
Porsche approved certified pre-owned vehicle sales increased 8% to 708 units for October 2012.
Porsche Cars North America president and CEO Detlev von Platen said that the market continues to be very responsive to our freshest line-up ever.
"This makes us optimistic to keep this strong momentum for the future," von Platen said.
"The new Boxster, in particular, has quickly become a segment-leader again, collecting accolades by media outlets and consumers alike."