Credit Acceptance (CACC) reported Q4 adjusted diluted earnings late Thursday of $10.17 per share, up from $10.06 a year earlier.
Four analysts polled by FactSet expected $7.93.
Revenue in the quarter ended Dec. 31 rose to $565.9 million from $491.6 million a year ago.
Four analysts polled by FactSet expected $564.7 million.
Shares were up 7% in recent after-hours activity.