"PALO ALTO -- There are many ways to measure Tesla Motors (TSLA)' remarkable progress in the three years since the electric-carmaker launched its initial public offering. There's the first-ever profitable quarter this spring. There's the nearly perfect 99 out of 100 score in Consumer Reports' review of the Model S sedan. There's the stock price, up more than 500 percent since June 2010 and currently trading around $99.55 a share. Then there's this: Tesla, which is on track to build 21,000 cars at its Fremont factory this year, is worth more than Fiat and nearly a Pictured is Tesla's Model S' 17-inch touchscreen whose graphic is processed by Nvidia's module. (Dai Sugano/Bay Area News Group) ( Dai Sugano ) quarter as much as General Motors -- which has 21,000 dealers. In a considerable understatement, Tesla CEO Elon Musk told shareholders this month: "This has been a great year. Things have really gone pretty well. ... I'm having a lot more fun these days.""

