does opel tigra have troubles like Calibra and Vectra?

Tweet

since i was born and my father was buying Opel, first it was kadett and the second was Vectra, and my first car was Opel Calibra, it was nice, but... my father's cars were a hell of troubles, problems from nowhere, even he was taking the cars to the service and they were telling that there is nothing wrong, but again, on way home everything starts all over again, cars used to stop without any reason, sometimes we had to wait one day till it will start again... i didn't listen to my father, i bought Calibra as a first car, and here we go again :D it was the same troubles, electricity is a freak, everything is a hell.. now i have Mazda and my girlfriend wants to buy Opel Tigra, so is Tigra similar to her sisters? at all, all Opel are a hell or what? is there any normal opel? please help me... you can write what kind of troubles or any kind of explanations based on experience or knowledge... thanks in advance.