Mitsubishi Diamante
From Wikipedia, the free encyclopedia
| Mitsubishi Diamante | |
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| Manufacturer | Mitsubishi Motors |
| Also called | Mitsubishi Sigma |
| Production | 1990–2004 |
| Assembly | Nagoya, Japan Adelaide, Australia |
| Class | Full-size |
| Body style | 4-door sedan 4-door station wagon |
| Layout | Front engine, FWD or 4WD |
| Similar | Hyundai Grandeur Nissan Maxima Toyota Avalon |
The Mitsubishi Diamante was first introduced to the public at the Tokyo Motor Show in 1989, and went on sale in Japan in May 1990. It became the second generation Magna, replacing the widened 1983 Galant Sigma manufactured and sold in Australia (the 1987 Galant was downsized, thus leaving a gap in the product range for 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. The reason for this argument is that until 1989, the width of vehicles was a vital indication of taxation class. The Diamante, being wider than the 1700 mm break, would have suffered a large tax penalty against most of its rivals, which were designed to be just under limit. At the time, Mitsubishi's image was also considered less than ideal for the marketing of a luxury car—its most expensive offering that the time, the Debonair, was largely seen as a company car project for Mitsubishi conglomerate executives.
However, the tax situation had changed in 1989, and the Diamante became the surprise hit of 1990. Amidst Japan's bubble economy, many private car owners sought an executive car in a market that had very few new offerings that year.
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[edit] First generation
| First generation | |
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| Production | 1990–96 |
| Body style | 4-door station wagon 4-door sedan |
| Engine | 2.0 L V6 2.5 L 6G73 V6 3.0 L 6G72 V6 |
| Transmission | 4-speed automatic |
| Wheelbase | 2720 mm |
| Length | 4830 mm |
| Width | 1775 mm |
| Height | 1335 mm |
The Japanese market Diamante was a four-door hardtop with no window sashes. Five months after the Diamante's launch, Mitsubishi also introduced the Sigma, which was different from the Diamante in a slightly taller roofline, side window graphics, window sashes, and front/rear treatment.
In Japan, the Diamante was available with 3 V6 engines (2.0, 2.5 and 3.0 L) of the 6G7x family; all wheel drive was available on most models. Perhaps contrary to its overseas image, Mitsubishi at the time fully emphasized the use of electronic gadgets in its cars, and the Diamante is notable for a long list of such features. This generation won the Japan Car of the Year award in 1990.
In Australia, Magna station wagons had been sold there since the 1980s; like that car, a station wagon based on the Diamante/Sigma was exported back into Japan.
[edit] Second generation
| Second generation | |
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| Production | 1995–2002 |
| Body style | 4-door sedan |
| Engine | 2.5 6G73 V6 3.0 L 6G72 V6 3.5 L 6G74 V6 |
| Transmission | 4-speed automatic 5-speed automatic |
| Wheelbase | 2720 mm |
| Length | 4930 mm |
| Width | 1785 mm |
| Height | 1370 mm |
The second iteration of the Diamante was introduced in Japan in January 1995. The car was marginally larger with improved headroom.
Several engines were available. The base engine was a 2.5 L MVV (lean burn) V6, followed by a number of 2.5 and 3.0 liter variants. The new Diamante range topped off with a 3.0 L MIVEC V6 rated at 270 hp.
The gadget trend continued with the new Diamante, including a distance/lane-keeping system that tracked lanes and the car ahead using a set of radar and camera (this was first introduced on the 1992 Debonair). Satellite navigation featured prominently on the center console, and for the first time, a 5-speed automatic transmission was installed in a transverse drivetrain, complete with the Tiptronic-style INVECS-II technology.
The Sigma model was eliminated and not renewed for a second generation, due to poor sales in Japan; most Sigmas sold became taxis and patrol cars.
For Australian market, the new Diamante debuted in 1997. The 1997 Diamante went into production in Adelaide, Australia. The very first 1997 Diamante rolled off the assembly line on July 1, 1996.
In the latter years of its life, the Diamante range was reduced to a single engine offering in Japan, first a 3.5 L GDI V6 (the first of its kind), and then a conventional 2.5 L V6.
[edit] Third generation
| Third generation | |
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| Production | 2003–04 |
| Body style | 4-door sedan |
| Engine | 3.5 L 6G74 V6 |
| Transmission | 4-speed automatic |
| Wheelbase | 2720 mm |
| Length | 4980 mm |
| Width | 1785 mm |
| Height | 1435 mm |
The exterior was refreshed for 2003, and proved to be the short-lived, last generation Diamante. Mitsubishi ceased to import the Diamante to North America after 2004 due to a decline in sales. The U.S. market Galant grew in size, and was replaced by the upper-end GTS trim of the Galant. In Canada, only the third generation Diamante was sold.
On June 15, 2005, Mitsubishi announced it would halt production on larger sedans within Japan by December, including the Diamante and the Galant.
