The original version, which first appeared in the Astra GTE, Calibra and Vauxhall Cavalier/Opel Vectra between 1988 and 1991, was cast by Cosworth and was marketed under the name 'Coscast'.
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The C20XE engine featured in many Opel/Vauxhall vehicles including some models of the Opel Astra/Kadett E and the Opel Calibra/Vectra.