Well the Kadett, really but what's in a name
Anyway, I've happened by a wee document that doesn't appear to be freely available to the likes of us. I defo can't find a direct link to it anywhere anyhow.
It's an official GM 90 page booklet giving a run through of the Kadett evolution from 1936 to present times (with a peek at the forthcoming Astra I)
Anyway, right click the piccy below and 'save as'