Tesla Motors has announced the newest iteration of its Roadster electric sports car, the Roadster 2.5. The car features an updated rear diffuser, an updated front end (fascia), the addition of an optional 7″ touchscreen GPS/navigation system, better interior sound proofing, bucket seats with better lumbar support, directional forged wheels and power control hardware (for driving in hot climates).

Tesla’s CEO Elon Musk had this to say about the new Roadster:

“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 Elon Musk. “These improvements are a direct result of customer feedback and come only a year after release of Roadster 2.0, showing an exceptionally rapid pace of innovation. Where feasible, we will also offer existing customers the ability to purchase the upgrades now available in version 2.5.”

The timing of this new version is very well placed to buoy Tesla’s stock on the NASDAQ (Code:TSLA) and keep the company’s name in the news cycle over the weekend. We aren’t expecting to see Tesla’s Model S sedan until early 2012 and until then Tesla is going to remain a promising yet unknown quantity for investors, don’t be surprised to see a few dips and surges over the next 18 months in the Tesla stock price before the Model S comes along and provides some serious revenue for the company.

Tesla will be releasing the Roadster 2.5 at the Goodwood Festival of Speed this weekend in the UK, the largest motor related gathering in the world. The UK and Europe is a significant market for Tesla and the UK is currently offering incentives like free parking, no city-congestion charge and free citywide recharging along with making the Roadster 100% tax deductible for UK based companies. With that in mind it would be almost rude for London based executives not to buy one.

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