October 1992: Privately held company is founded by Marshall Cogan as Emco Motor Holdings, which acquires the DiFeo Automotive Group, 29 franchises in New York, New Jersey and Connecticut.
November 1994: Carl Spielvogel, a prominent advertising exec joins as chairman and CEO. Emco becomes United Auto Group.
May 1995: Captive finance company formed.
August 1995: United Auto makes first big acquisition outside New York area:
October 1996: United Auto goes public on the New York Stock Exchange, offering 34 percent of the company's total shares, at $30 a share. The stock closes at $34.88, but has not been that high since.
February 1997: United Auto misses its earnings forecasts. A meeting with auto industry analysts goes poorly, and the share price plunges.
March 1997: Spielvogel resigns. Cogan replaces him.
January 1998: Having sunk below $15 a share, stock price soars on acquisiton rumors. Company refuses to comment. Shares plunge. Name becomes UnitedAuto.
March 1999: UnitedAuto reports loss of $797,000 for 1998, vs. a loss of $10.1 million for 1997.
April 1999: Penske deal announced.