According to Top Gear Infiniti will be throwing their own rival into luxury coupe arena shortly....
http://www.topgear.com/uk/car-news/infiniti-two-door-coupe-bmw-rival-4-series-6-series-2014-09-19Speaking at the international opening of its new automotive design facility in London last night, Shiro Nakamura, chief creative officer of Infiniti and senior VP of Nissan, told TG his plans to take on the BMW 4-Series.
"I want to make a two-door coupe. It's coming, you'll see it within one year. It'll be a production version, a little bit bigger than a BMW 4-Series, but not as big as a 6-Series," he said.