Holden Torana LX
The mildly facelifted LX series arrived in February 1976. Cosmetically, the most obvious changes were to replace the LH's rectangular headlights with round headlights, side window surrounds were changed from body colour to black, and the front Holden badge was enlarged. A two-door hatchback body was introduced as an alternative to the four-door sedan, although the 1,897 cc Opel unit was not offered in the new body style. Soon after its introduction, the LX was subjected to performance reducing engine modifications in order to comply with new mid-year emission regulations (ADR 27A).
When the LX Torana was introduced it featured a choice of four, six and eight cylinder engines. In November 1976 the four-cylinder Torana was revised and relaunched as the Holden LX Sunbird. From that point, the four cylinder models now powered by the locally produced Starfire Four (a crudely cut down version of the Holden six cylinder engine which also featured in the 1980 Toyota Corona and four cylinder versions of the Holden Commodore) were marketed as Sunbirds and the six or eight cylinder models as Toranas. The original LX series Sunbird was a single-trim range, with four-speed manual and three-speed automatic transmissions. There were minor trim differences compared to the Torana, notably the grille (with vertical bars) and distinctive chrome wheel covers. It was marketed as a four-door sedan and as a three-door hatchback. The introduction of Sunbird also coincided with the first attempt by Holden to add a handling package to its range of cars. The introduction of 'radial-tuned suspension' (aka RTS) began with the LX Sunbird sedan and hatchback and then the LX Torana.
Source: Wikipedia, 2011