Credit Acceptance (CACC) 10-Q 2018 Q1 Quarterly report

EXHIBIT 32.2

Credit Acceptance Corporation

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Credit Acceptance Corporation (the "Company") for the quarterly period ending March 31, 2018 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Kenneth S. Booth, as Chief Financial Officer of the Company, hereby certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	May 3, 2018	By:	/s/ Kenneth S. Booth
			Kenneth S. Booth
			Chief Financial Officer
			(Principal Financial Officer)