The Mitsubishi Diamante is a car manufactured by Mitsubishi Motors

Mitsubishi Motors

is a multinational automaker headquartered in Minato, Tokyo. In 2009 it was the fifth-largest Japan-based automaker and the 17th-largest in the world measured by production...

 between 1990 and 2005. It was first introduced to the public at the Tokyo Motor Show

Tokyo Motor Show

The is a biennial auto show held in October-November at the Makuhari Messe, Chiba City, Japan for cars, motorcycles and commercial vehicles. Hosted by the Japan Automobile Manufacturers Association , it is a recognized international show by the Organisation Internationale des Constructeurs...

 in 1989, and went on sale in Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 in May 1990. The name was derived from the Spanish, Portuguese, and Italian words for diamond. It became the second generation Magna

Mitsubishi Magna

The Mitsubishi Magna was a mid-size car offered between May 1985 and September 2005 by Mitsubishi Motors Australia Limited . Manufactured at the Tonsley Park assembly plant, Magna spanned three generations before being replaced by the Mitsubishi 380...

, replacing the widened 1983 Galant Sigma

Mitsubishi Galant

The first generation of the car, initially known as the Colt Galant, was released in December 1969. The design was dubbed "Dynawedge" by Mitsubishi, referring to the influence of aerodynamics on the silhouette. Three models were available, powered by the new 'Saturn' engine in 1.3 or 1.5 L ...

-based Magna. The luxury version of the Magna, Mitsubishi Verada was the Australian equivalent of the Diamante.

There have been rumors that the Diamante was either not intended for a Japanese launch, or it might have been planned as a low-volume model.