The auto lender also said originations fell 24% due to intense competition.
Acquisition pushes quarterly revenues past $1 billion for first time ever.
Total loans rose 7%, but the provision for loan losses jumped 27% to $1.7 billion.
A deal between Ford Motor Credit and a San Francisco-based startup will give car buyers the option of customizing their own loan terms.
Profit surged at BB&T in Winston-Salem, N.C., during the fourth quarter, driven by various acquisitions and growth in business lending.
A House Republican report, charging that Consumer Financial Protection Bureau Director Richard Cordray "may have broken the law" when the agency cracked down on auto lenders, appeared to escalate the GOP's clash with the agency.
