After having worked at both Infiniti and Volvo, I was able to sample the Q50 many times and have it as a demo for a few months.
The new TBV6 corrects some of the issues I had with the previous VQ Q50, mainly terrible steering and a lacklustre engine. The car was more refined than the outgoing G37, but way more bland and less interesting to drive. This new version defintely bridges the gap.
What I can say though is that Infiniti more than any other player in the segment, offers ridiculous value and Japanese reliability, even though admittedly, 85% of customers lease and many many still go German.
It was an uphill battle to convert a Euro driver into a Japanese luxo sedan, we rarely won that sale, but for many, the image of German cars wasn't worth it, reliability and value took precedent. The IS is just way too small these days.
All that being said, I much preferred my demo S60 T6 AWD over the Q50 3.7. Scandinavian cars are hard to beat when it comes to comfort, performance, winter ability and style. The S60 has a surprising blend of sophistication, build quality, performance and winter traction that really made it a sleeper in the segment. It also didn't require premium fuel.
The Q50 is still a great bargain and amazing deals can be had, Nissan has to work hard to move them. If anyone in the Montreal area is looking into one, PM me.