The turnaround follows the agreement made two months ago by the PSA Group to buy the German carmaker from parent General Motors.
It's understood that the use of the French technology will improve margins on the supermini model, Opel's best-selling car last year.
The first Corsa was produced in 1982 and is currently in its fifth generation. It has been sold in different markets under Vauxhall, Buick, Chevrolet and Holden brands, and with model names that have included Sail, Barina, Vita and Chevy.
