Visitors take pictures of the new Mazda MX-5 Superlight Version at the Frankfurt International Auto Show IAA in Frankfurt September 15, 2009. The world's biggest auto show will run until September 27. REUTERS/Johannes Eisele (GERMANY TRANSPORT BUSINESS) 

The CEO of Mazda Takashi Yamanouchi poses next to the new Mazda MX-5 Superlight Version at the Frankfurt International Auto Show IAA in Frankfurt September 15, 2009. The world's biggest auto show will run until September 27. REUTERS/Johannes Eisele (GERMANY TRANSPORT BUSINESS) 

The new Mazda MX-5 Superlight Version is pictured at the Frankfurt International Auto Show IAA in Frankfurt September 15, 2009. The world's biggest auto show will run until September 27. REUTERS/Johannes Eisele (GERMANY TRANSPORT BUSINESS) 

A Mazda MX-5 is shown on a display at the Shanghai International Auto show in Shanghai April 20, 2009. REUTERS/Aly Song (CHINA TRANSPORT BUSINESS) 

Mazda Motor Corporation President and Chief Executive Officer Hisakazu Imaki delivers a speech at an unveiling of the company's new open-top sports car "Roadster", also known as "MX-5" in overseas markets, in Tokyo August 25, 2005. The lightweight two-seater, equipped with Mazda's newly-developed compact 2.0-litre MZR engine, was launched in Japan Thursday. 

Mazda Motor Corporation President and Chief Executive Officer Hisakazu Imaki delivers a speech at an unveiling of the company's new open-top sports car "Roadster", also known as "MX-5" in overseas markets, in Tokyo August 25, 2005. The lightweight two-seater, equipped with Mazda's newly-developed compact 2.0-litre MZR engine, was launched in Japan Thursday. REUTERS/Issei Kato IK/PN 

Visitors inspect Mazda Motor Corporation's new open-top sports car "Roadster", also known as "MX-5" in overseas markets, in Tokyo August 25, 2005. The lightweight two-seater, equipped with Mazda's newly-developed compact 2.0-litre MZR engine, was launched in Japan Thursday. REUTERS/Issei Kato IK/DY 

Mazda Motor Corporation President and Chief Exective Officer Hisakazu Imaki poses next to the company's new open-top sports car "Roadster", also known as "MX-5" in overseas markets, in Tokyo August 25, 2005. The lightweight two-seater, equipped with Mazda's newly-developed compact 2.0-litre MZR engine, was launched in Japan Thursday. REUTERS/Issei Kato IK/PN 

Mazda Motor Corporation President and Chief Executive Officer Hisakazu Imaki unveils the company's new open-top sports car "Roadster", also known as "MX-5" in overseas markets, in Tokyo August 25, 2005. The lightweight two-seater, equipped with Mazda's newly-developed compact 2.0-litre MZR engine, was launched in Japan Thursday. REUTERS/Issei Kato PP05080257 IK/PN 

Japan's Mazda Motor Corp. President and Chief Executive Officer Imaki sits inside Mazda's open two-seater sports ca, MX-5 at a news conference in Tokyo. Japan's Mazda Motor Corp. President and Chief Executive Officer Hisakazu Imaki sits inside Mazda's open two-seater sports car, MX-5, at a news conference in Tokyo April 28, 2005. Mazda posted its best-ever annual operating profit on Thursday with an 18 percent jump and forecast better-than-expected growth ahead, fuelled by a sales expansion worldwide. REUTERS/Yuriko Nakao 

Japan's Mazda Motor Corp. President and Chief Executive Officer Imaki poses next to Mazda's open two-seater sports car MX-5 in Tokyo. Japan's Mazda Motor Corp. President and Chief Executive Officer Hisakazu Imaki poses next to Mazda's open two-seater sports car, MX-5, in Tokyo April 28, 2005. Mazda posted its best-ever annual operating profit on Thursday with an 18 percent jump and forecast better-than-expected growth ahead, fuelled by a sales expansion worldwide. REUTERS/Yuriko Nakao 

The new bigger and faster Mazda MX-5 is on display as a first world presentation at the 75th Geneva motor show in Geneva, Switzerland, March 1, 2005. The Mazda MX-5 is powerd with a 2.0 litre 160 hp engine. 

The new bigger and faster Mazda MX-5 is on display as a first world presentation at the 75th Geneva motor show in Geneva, Switzerland, March 1, 2005. The Mazda MX-5 is powerd with a 2.0 litre 160 hp engine. REUTERS/Denis Balibouse PLA/CR/THI 

The Mazda MX-Crossport design concept vehicle is shown during Press Days at the North American International Auto Show in Detroit, Michigan January 10, 2005. The MX-Crossport design concept was designed at Mazda's main design studio in Hiroshima, Japan and is a cross-over type vehicle. REUTERS/Rebecca Cook RC 

The six-seat concept car Mazda MX-Flexa is displayed as a first world presentation at the Geneva car show in Geneva, Switzerland, March 2, 2004. REUTERS/Denis Balibouse PLA/CR/ 

The Mazda MX-Micro Sport concept vehicle is introduced by Stephen Odell, Senior Managing Executive Officer, Global Marketing, Sales and Service Mazda Motor Corporation January 5, 2004 during press days at the North American International Auto Show in Detroit Michigan. A production version of the MX-Micro concept will be launched in 2004. REUTERS/Gregory Shamus GS 

Mazda unveiled its made-over Miata MX-5 Miata roadster January 7 at the North American International Auto Show in Detroit. The new Miata features a 140 horsepower, 1.8-liter, dual overhead cam, four-cylinder engine.