A La Ferrari limited production sports car built by Ferrari (front) is displayed alongside Chrysler Group vehicles (R to L) Fiat Strada, Dodge Challenger and Charger and a Jeep Cherokee Trailhawk outside Chrysler World Headquarters, during the FCA Investors Day in Michigan, US, May 6, 2014. [Photo / Agencies]

Jeep production

Fiat Chrysler may expand Jeep production in United States by expanding existing plants, Marchionne also said.

"It may require the expansion of some of our sites. I can't deal with the volumes at issue now."

US sales of Jeep, Fiat Chrysler's SUV brand, increased 46.5 percent through April and existing Jeep plants in Toledo, Ohio and Detroit that make the profitable Wrangler and the Grand Cherokee are at production capacity.

"We're looking at issue," Marchionne said of getting more Jeep production in the United States.

Fiat Chrysler has plans to make Jeep at a plants in China and Brazil, but not in India, Marchionne said.

Globally, by 2018, Fiat Chrysler plans to produce 1.9 million Jeep models. It also targets sales of 1 million Jeeps this year, up from 732,000 in 2013.

Top 10 best-selling SUVs in Chinese mainland	Top 10 best-selling cars in Chinese mainland