Nissan plans to introduce a compact, entry-level Infiniti model below the G series to compete against such cars as the Audi A3 and Lexus CT 200h. The car would be part of a global product blitz to build Infiniti's lineup to 10 vehicles from seven by 2017.

The car would be based on the

Part of Nissan's strategy is to cover more segments. Ghosn said the 64 models in the Nissan and Infiniti lineup now cover about 80 percent of global segments. But that will increase to 66 models covering 92 percent by the fiscal year ending March 31, 2017, he pledged.

Infiniti will expand into 71 global markets, from 36 today, he said.

Nissan is targeting the entry-luxury segment for Infiniti because the market is big and the company expects higher sales in that class than in others, the source said.

Through June, Infiniti's U.S. sales were flat, with 47,268 vehicles sold. The Infiniti G accounted for about 60 percent of the brand's sales in the period.

The JX, expected to be built in North America, is due to arrive in the spring of 2013, and the EV will come by the following year, Ghosn said.

The EV will share many underpinnings with the Leaf, which will be built in Japan, North America and Europe. Ghosn said the EV "very likely" will be made at the Infiniti assembly plant in Tochigi, Japan, north of Tokyo.