|
My previous 2015 428i GC felt faster than my colleague's 2015 IS 350 F Sport when I drove it.
If you like the way your BMW handles/drives then I don't think you will like owning an IS.
I personally don't like their interior either - I remember the audio system was pretty good though.
__________________
2016 Estoril Blue II 340i M Sport | ///MPPSK | 6MT | RWD | Fully Loaded
BM3 Stage 2+ 93 | B58TU HPFP | VRSF v2 Catted Downpipe | 550i Clutch
 |