By Don Hammonds

That sleek looking blur that just roared past  you just might be a 2018 Infiniti Q50 Red Sport 400.

Infiniti is not playing with this car–they are deadly serious about making a name and building a rep for this particular model.

Of course, the big elephant in the room in the superfast midsized luxury sedan market are from BMW in the form of its M sedans. But never mind.  The Infiniti has a couple of cards to play that I think one-up …