A special, partially equipped, model with extra high gas mileage also appeared, called the "Miser". Chrysler's 2.2 L K-car engine appeared for the 1981 model year as an upmarket option to the Volkswagen engine, mated to a new four-speed manual with an overdrive fourth. It produced at first, rising to and finally by the end of production. The Volkswagen 1.7 was replaced by a Simca 1.6 L inline-four unit in 1983. This engine produced and , and was only available with a manual transmission. The Omni/Horizon received a facelift for the 1984 model year.