Phan estimates that Chrysler has 15% to 20% more product line than they need, including vehicles like big trucks and SUVs. He adds that industry watchers think Chrysler should concentrate on lower margin, but bigger markets, like compact and fuel-efficient cars. The Jeep brand would be the most lucrative part of the business if a private equity firm broke up Chrysler, says Kevin Tynan, an analyst with Argus Research.