Exhibit 15.16

May 6, 2005

Dollar Thrifty Automotive Group, Inc.

5330 East 31^st Street

Tulsa, Oklahoma

We have made a review, in accordance with standards of the Public Company Accounting Oversight Board (United States), of the unaudited interim financial information of Dollar Thrifty Automotive Group, Inc. and subsidiaries for the periods ended March 31, 2005 and 2004, as indicated in our report dated May 6, 2005, because we did not perform an audit, we expressed no opinion on that information.

We are aware that our report referred to above, which was included in your Quarterly Report on Form 10-Q for the quarter ended March 31, 2005, is being incorporated by reference in Registration Statements No. 333-79603, No. 333-89189, No. 333-33144, No. 333-33146 and No. 333-50800 on Form S-8.

We also are aware that the aforementioned report, pursuant to Rule 436 (c) under the Securities Act of 1933, is not considered a part of the Registration Statement prepared or certified by an accountant or a report prepared or certified by an accountant within the meaning of Sections 7 and 11 of that Act.

/s/ DELOITTE & TOUCHE LLP

Tulsa, Oklahoma