Skoda Felicia, Ford Mondeo and Ford Ka.
Wait so you went from a Mondeo to a Ka because you 'got bored'?
Why not accept the fact you cant have a Ferrari aged 17 and just stick with something half decent, accepting the fact nothing you can insure is going to thrill you every single time you drive it without fail, and nothing you drive in the future will if you heamorrage money on pointless car changes?