Faced with an ever-evolving Alfa Romeo and a regrouped Mercedes-Benz, the company was simply lagging behind for the second time during their short DTM career. It was clear something drastic had to happen to bring the car up to speed. With Joest and Cosworth sharpening their swords for a definitive strike, 1995 would have to be Opel’s breakthrough once and for all.
The GSi's engine mapping had been carried out by Opel tuning specialists Irmscher. A model with the 82 PS (60 kW) 1.4 L multi point fuel injected engine, which was otherwise mechanically identical to the GSi, also became available as the Nova SRi in the United Kingdom. In January 1988, a turbocharged version of the Isuzu diesel engine was introduced, with power increased to 67 PS (49 kW).