True brushed aluminium console/interior
Full leather upholstery
No plastic squeeky parts
MINI style switches, maybe also dials
Better hydroresistent design
Electrically dependable
Rustproof exterior
Mercedes-like gearlever (at least for the autotrans)
Quick responding semi-automatic option with steeringwheel peddles
Air suspension (maybe adjustable, although for me personally current suspension is hitting the exact sweet spot between comfort and agility)
ceramic exhaust manifolds