X0306 4 2016-12-27 0 0000885550 CREDIT ACCEPTANCE CORP CACC 0000901185 FOSS DONALD A 25505 WEST TWELVE MILE ROAD SOUTHFIELD MI 48034 1 1 1 0 Chairman Common Stock 2016-12-27 4 S 0 200 220.00 D 3915101 D Common Stock 2016-12-27 4 S 0 5 220.045 D 3915096 D Common Stock 2016-12-27 4 S 0 200 220.34 D 3914896 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. /s/ Donald A. Foss 2016-12-28