Complex sentence: Initially based on the Volkswagen Golf Mk1, and the later Volkswagen Golf Mk3, and the current Volkswagen Golf Mk6 it was produced by Karmann at Osnabrück for Volkswagen Passenger Cars.
Split into simpler sentences: Initially based on the Volkswagen Golf Mk1, and the later Volkswagen Golf Mk3, and the current Volkswagen Golf Mk6. It was produced by Karmann at Osnabrück for Volkswagen Passenger Cars.