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Mazda Roadpacer

The Mazda Roadpacer is a full-size sedan that was assembled by Mazda in Japan between April 1975 and 1977, although the last car was not sold until 1979. It was based on the Australian Holden HJ and HX series Premier. Premiers were shipped to Japan without engines or transmissions, and Mazda fitted a 1.3-liter 13B Wankel engine into the bay. It was the first large Japanese car to meet the 1975 emissions standards, although that was a short-lived distinction because the Nissan President followed suit a month later. In October 1975, the engine was revised to meet the 1976 emissions standards, at which time the car gained the "AP" (Anti-Pollution) moniker. The Roadpacer has the distinction of being the only General Motors product ever fitted for production with a rotary engine.

Design
The engine produced but just of torque, at a peaky 4,000 rpm, meaning the Roadpacer performed rather poorly as it weighed . The Roadpacer was introduced to compete with large Japanese flagship sedans Toyota Century, Nissan President, Isuzu Statesman de Ville, and the Mitsubishi Debonair. The Roadpacer's platform was the shorter version of the one used by Isuzu for the Statesman de Ville. Negotiations began in April 1973; the collaboration with Holden was agreed to shortly before Mazda entered into an engineering partnership with Ford. This materialized before the Roadpacer was able to go on sale but did not impact the car's introduction. The 13B produced less power than the Red series motors that powered the equivalent Holdens, and significantly less torque, meaning performance was restrained with a top speed, poor acceleration and terrible fuel consumption from the overworked engine. as mentioned in the article Speed limits in Japan. Another negative quality was that although the car was very large on the outside, the rear seat was not particularly large; Holden offered the longer wheelbase Statesman for this. The price was also considered high at ¥3.8 million yen (US$13,000) in 1975 ($ in dollars ). This was about twice the price of a contemporary Mazda Cosmo or Mazda Luce and the installation of numerous luxury amenities would be introduced again in 1990 on the Eunos Cosmo. Originally intended as transport for high-ranking government officials, the car was sold in the wake of the first fuel crisis and was not a commercial success. Production ceased in late 1977 after only 800 units built and 799 cars sold, with sales of leftover stock continuing into 1979. Most were originally sold to government departments and were later crushed, meaning Roadpacers are rare nowadays; their counterpart model, the Holden Premier is a popular collectors' car in Australia. One example can be found on display in the Transport World Motor Museum in Invercargill, New Zealand. == References ==
Source: Wikipedia ↗
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