Complex sentence: Based on the Peugeot 104, it was the only Talbot to be engineered by PSA alone (not inherited from Chrysler Europe like other Talbot cars), the last new Talbot to be launched, and the last in production.
Split into simpler sentences: Based on the Peugeot 104, it was the only Talbot not inherited from Chrysler Europe, engineered by PSA alone. It was also the last new Talbot to be launched, and the last in production.