Should Ally Financial break itself up, Wells Fargo & Co. would be a "likely buyer" of its North American automobile finance business because it is "one of the few large banks" that could afford the estimated $68 billion it would fetch, Keefe, Bruyette & Woods analysts wrote in a research note Tuesday.

Other buyers potentially "interested in parts" of its marquee lending unit, if "not the whole" unit, could include JPMorgan Chase & Co., Capital One Financial Corp., Huntington Bancshares  and U.S. Bancorp., KBW wrote.

Subscribe Now

Access to a full range of industry content, analysis and expert commentary.

30-Day Free Trial

No credit card required. Access coverage of the securitization marketplace, including breaking news updated throughout the day.