Dubai: Nasdaq-listed US electric car maker Tesla Motors has launched the Roadster 2.5, the latest generation of its electric sports car. It will debut simultaneously with the opening of Tesla's two new stores in Copenhagen, Denmark, and Newport Beach, California.

The new Roadster is improved in both design and technology. It has a new front fascia, a rear diffuser, improved seat comfort and internal finishes, sound dampening and a large touchscreen navigation system.

"Although development of the Model S is our main focus, this shows that we still care a great deal about improving the Tesla Roadster," said Chief Executive Elon Musk. "These improvements are a direct result of customer feedback and come only a year after release of Roadster 2.0."

Abu Dhabi investors in Tesla saw the value of their holdings soar as shares in the car maker rose 40 per cent following a successful initial public offering last week. Daimler has seen a nice return on its investment. The eight per cent stake of Blackstar, in which Aabar Investments has a 40 per cent stake, is now worth $178 million.

Al Wahada Capital Investment took a 7.8 per cent stake that is now worth about $174 million (Dh638.96 million). Tesla is launching the new Roadster with an online image gallery.