I really liked how the i4 M50 drove, I would put it on par with the E-Tron GT. The interior was also very nice, except for a select few areas in the dash/console.
Looks wise, the i4 looks much better IMO, the i5 looks a little dull. Neither are as good looking as an E-Tron GT and that isn't...
Changing the port is a matter of plastic mouldings and some different electrical connections. The real hurdle is the software and systems that communicate with the Tesla superchargers. Superchargers also don't have card payment options at the station (looks like the V4 might be the first to...