Porsche says it delivered 2,948 vehicles in China last month, up nearly 21 percent year-on-year.
The Volkswagen Group brand did not provide model-by-model sales for October, but Porsche has said it sells more Cayennes in China than in any other market.
Next year, the automaker plans to introduce the Macan compact SUV in China, and Porsche plans to double the number of dealerships in the country to 100 within a year or two, up from 56 as of September.
In the first 10 months of the year, Porsche's China sales rose 15 percent to 30,406 units.
Porsche, which hopes to boost global sales to 200,000 units by 2015, expects China to become its biggest market next year, surpassing the United States.
Last year, Porsche sales in the market jumped 28 percent to 31,205 units. In 2013, Porsche expects sales to rise 20 percent.