Irmscher Automobilbau GmbH & Co. KG is a German car tuning and manufacturing company, specialising in Opel, Peugeot and Kia vehicles as well as working for the complete automotive industry as an engineering service provider.

The Isuzu Trooper is a full-size SUV that was produced by the Japanese automaker Isuzu between September 1981 and September 2002. In the domestic Japanese market it was sold as the Isuzu Bighorn, the car was exported internationally mainly as a Trooper but it also received several other nameplates including Acura SLX, Chevrolet Trooper, Subaru Bighorn, SsangYong Korando Family, Honda Horizon, Opel Monterey, Vauxhall Monterey, Holden Jackaroo, and Holden Monterey.