Chrysler PowerFlite transmission Chrysler PowerFlite transmission PowerFlite is a two-speed automatic transmission engineered and produced by the Chrysler Corporation and used in their passenger cars from 1954 to 1961. Production began in late 1953; despite the launch of Chrysler's three-speed TorqueFlite automatic in 1956, the simple and durable PowerFlite remained available on Plymouths and Dodges through the 1961 model year, after which it was discontinued. Chrysler was the last of Detroit's Big Three automakers to introduce a fully automatic transmission, some 14 years after General Motors had introduced Oldsmobile's Hydramatic automatic transmission and nearly three years after Ford's Ford-O-Matic. Packard's Ultramatic debuted in
Chrysler Sigma power and torque of . According to Chrysler, this made it the most powerful four-cylinder engine sold in Australia at the time. On 28 April 1980, Chrysler unveiled the GH Sigma in Brisbane. Then on 30 April, Mitsubishi Corporation and Mitsubishi Motors jointly acquired Chrysler's remaining 65 percent share of Chrysler Australia (bringing the dual Mitsubishi ownership to 98.9 percent). On 1 October 1980, the GH range was rebadged from Chrysler Sigma to Mitsubishi Sigma, due to the renaming of Chrysler Australia to Mitsubishi Motors Australia (MMAL) following the buy-out. Released to the market on 12 May, the GH series