Blender internal render.
It’s meant to be ugly; a spaceship doesn’t have to be aerodynamic, obviously there’s no air.
The manufacturers of cheap spacecraft need to save money somewhere. /nod And fortuneately they decided to put the money into life-support as dead pilots are not repeat business.
A brilliant excuse for my modelling skills. 
Oh yeh, and the wondows aren’t windows; they are a Projective Passthrough Composite. Meaning one side is a camera, the otherside the screen.
looks cool i would round off the sides some. but thats my suggestion off the picture i dont know what all you where trying to achieve and what style game your looking for
Something ‘clunky’ in this model type; maybe other types will have more aesthetically pleasing designs.
Elite style, the game I’m after.