General Motors ( GM) is seeking a sizeable investment from outside investors as a possible alternative to a deal with Chrysler, the Financial Times reports. Such an investment would be along the lines of Warren Buffett's recent purchases of minority stakes in General Electric ( GE) and Goldman Sachs ( GS), the newspaper reports. One banker questioned the chances of GM finding an outside investor, the Financial Times reports. It was reported Tuesday that Chrysler may join an existing manufacturing and development alliance between Japan's Nissan ( NSANY) and France's Renault. However, a sale of the auto maker to General Motors(GM Quote - Cramer on GM - Stock Picks) is still the preferred path, according to the Wall Street Journal.