Complex sentence: It is related to the Citroën C1 and Toyota Aygo, again sharing the same chassis, engines, transmissions and electricals, and are built in the current factory situated in the Czech Republic.
Split into simpler sentences: It is related to the Citroën C1 and Toyota Aygo, again sharing the same chassis, engines, transmissions and electricals. Cars are built in the same factory, situated in the Czech Republic.