Theres not much in it between the 1.6 16v and the 2.0ltr Pug at 0-60
PUG=8.5
1.6 16v=9.5
only a seconds difference.
So IMO go for the 1.6 16v becuase it definetly looks much N-I-C-E-R!!!!
there is no difference in the GTi and the lesser Pug models, except the spoiler and the alloys!! But 206 dont has 0/0 for looks. Id rather drive a Ford KA!!!!
But if performance is importanct to you
this can be made up by carrying out engine mods, like a full exhaust system with a manifold, and de-cat pipe, get Powerflow to sort this out!
Then get a K&N air filter. other mods are replacing the ECU, this can add a good 10bhp alone, als aftermarket cams, and pulleys will be helpful plus hoses, porting and polishing.
Do all this and your 1.6 16v will be a GTi EATING MONSTER!!!!!!!!!!!!!!!!!!
dont be a muppet, go for the CLio!!
hope this is not too late!!!!!