Not very successful in the DTM,in 2003 Opel put two Astra DTM in the 24h of Nürburg and the #5 car won it.
So the Astra DTM got its victory before being changed into Vectra DTM in 2004.
The overall cardesign made me addicted from the beginning,it is one of my all-time-favorite racing cars,I have to point that out :)