According to Motor Trend, Lexus is about to step up their game with a 600 HP, Twin Turbo powered LF-LC Coupe:

“Word on the Tokyo street is that there’s a Lexus LF-LC Coupe mule running around Japan packing a 600-hp twin-turbo version of the upcoming RC F’s 5.0-liter V-8. That power rating may be on the conservative side. We heard back in March of 2013 that Lexus was overwhelmed by the positive response to the swoopy coupe and decided to go on and green-light it. Until now there has been little to no information on the striking concept, other than the fact that the production version will most likely be called SC. There still isn’t much, but our sources confirm the monstrous twin-turbo V-8 will be the SC F. There’s a potent hybrid LF-LC/SC H whose powertrain will probably be the fruits of the BMW joint project and make around 500 hp. There will be a third engine, a base naturally aspirated V-8, that will produce a bit less power than the hybrid (450 hp) but get worse fuel economy.”

We love the direction that Lexus is headed with their ‘F Sport’ division.  They kicked things off in 2008 with their 5.0 V8 powered IS F, and they have been inching towards the likes of AMG and M-Sport ever since.

These latest rumors about the 600-HP coupe are also backed up by the fact that Toyota Motorsports in Germany has already built a twin-turbo 5.0L V8 engine and installed it in an LS460 — this car was well over 640 HP and reached a maximum speed of 200-MPH.

Source: Motor Trend