Have you driven an Astra diesel? We use them at work (and a lot of Corsas), I've been in nicer, more plush festival port-a-loos. Hideously cheap, plastic and naff.
How about something like an E46 BMW diesel? Golf GTDi? Seat Leon TDi? Fuck it even a Prius over an Astra diesel
CTR is a good drive, not a fan of how they deliver their goods but can see why they appeal to some people.