My first impressions:
- car has more ground clearance than the C2S;
- car comes with 305 20" rear tires (the S comes with 295);
- the side skirts are different on a C4S compared with the C2S (on the C4S are more aerodynamic, like a lateral blade);
- people saying they don't notice the wider rear shoulder are talking nonsense;
- the camera doesn't show correctly how nice the platinum silver goes with the natural leather espresso + aluminium trim;
- the rear C4S stop light is really nice;
- I am glad I didn't went for silver stitching and silver seat belts;
- I highly recommend the leather PDK outer rim option.
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There is no try. Just do.