You're quite right....
I is normal quite good with Eglish and things.
There is some debate whether 'very' unique, 'more' unique etc can be used, but I tend to agree with you, they cannot. I was trying to make the point that there are quite a few cars that could be called individual or unique, a Morgan perhaps epitomises the expression.
It is unique to look at and always an event to drive.
you will have to surrender the pedant's cap.