Question: The Opel Ascona was a large family car (D-segment in Europe) produced by the German automaker Opel from 1970 to 1988, in motorsport, the Ascona 400 rally car driven by which German rally and auto racing driver, with victories for Fiat, Opel, Lancia and Audi as well as Porsche, Ford and BMW?
Sentence (from "Opel Signum"): The Opel Signum was largely based on the Opel Vectra, and used the long wheelbase version of the GM Epsilon platform, also used by the Opel Vectra Caravan.
Relevant evidence: No