我對206cc感興趣.....所以想換車....但又唔知部車有d咩好有咩唔好.....請大家幫個忙....

I think you should check the following items.

if over 3 hands, please try to get tanother one .
the colour, if it is black, dark blue, the 2nd hands market may be so valuable.
For the insurance, the 206CC is the high risk type saloon, so the insurance should be so high.
Yes, the maintenace issue is one of the root cause the 2nd hand 206 is asked for so lower.
For me, I suggest u to buy AE111 instead. At least, the parts is so cheap. But remind the insurance also expensive.

Also please take care for the sunroof