Complex sentence: Starting in 1950, a Jeep-engined utility vehicle was produced by Autoar in Argentina and from 1951, a rather attractive new sedan appeared, using the same 2199cc Jeep engine and manual transmission.
Split into simpler sentences: Starting in 1950, a Jeep-engined utility vehicle was produced by Autoar in Argentina. Starting from 1951, a new sedan was introduced using the same 2199 cc Jeep engine and manual transmission.