EXHIBIT 23(a)





CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM



We consent to the incorporation by reference in this Registration Statement on
Form S-8 of:

      our reports dated March 14, 2007 on the consolidated financial statements
      and financial statement schedule of General Motors Corporation (which
      report expresses an unqualified opinion and includes explanatory
      paragraphs relating to (1) the restatement of the 2005 and 2004
      consolidated financial statements, (2) the recognition of the funded
      status of the Corporation's defined benefit pension and other
      postretirement plans and accounting for the estimated fair value of
      conditional retirement obligations, and (3) the sale of a controlling
      interest in GMAC LLC), and on management's report on the effectiveness of
      internal control over financial reporting (which report expresses an
      adverse opinion on the effectiveness of the Corporation's internal control
      over financial reporting), and;

      our report dated March 12, 2007 on the consolidated financial statements
      of GMAC LLC (which report expresses an unqualified opinion and includes an
      explanatory paragraph relating to the restatement discussed in Notes 1 and
      24);

appearing in the Annual Report on Form 10-K of General Motors Corporation for
the year ended December 31, 2006.


/s/ Deloitte & Touche LLP
-------------------------
DELOITTE & TOUCHE LLP

Detroit, Michigan

November 15, 2007