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The ŠKODA 105 with a 1046 cc engine and the ŠKODA 120 with a 1174 cc engine were the two basic models of what was known in-house as the 742.
It was produced in various versions and changed over the course of the years. These changes did not only affect the chassis. From 1983, the 742 was produced, for example, with wider wheel spacing, rack-and-pinion steering, thirteen-inch wheels, plastic bumpers and other modernised elements.