If the intention on this picture was simplicity then it is O.K, but I think a little more detailing was needed, specially on the two lights and the front handrail.
In resume, a nice pic, I'll give it an 4/5 and an... I would say 8.5/10.
As it doesn't exist we'll stick with the 8/10 then. =)
I like your art A LOT, please keep them coming. =D