I'll ignore ships I have never purchased.
Worst Looks - Asp Scout (I actually still own this ship)
My AspX is my favourite ship, and while a lot of people don't like it's looks, I don't think they are particularly bad overall. The Asp Scout however seems significantly less visually appealing (The tacked on 'wings' and thrusters in particular), so I regard this as the ugliest ship as of writing this.
Worst Overall - Imperial Eagle/Type 10 (Both sold)
The
Imperial Eagle overheats just from the photons of the floodlights in dock (even though it is one of the nicest looking ships to my eye). I was much happier once I had switched to the
Imperial Courier (which still has heat problems, just not as bad), although the Courier loses light years of jump range simply after having a big Christmas breakfast.
I only had the
Type 10 briefly (less than an hour), but I didn't like the ship enough to consider engineering it. This can be put down to my emphasis on jump range, and my lack of emphasis on combat capability; so it could be quite a good to the right person. The bigger question is why I purchased it in the first place...and well I'm not sure, just wanted to see what the fuss was about (11 million dollars lost for that pleasure).