Well, the Lexus IS-F is really being seen as an M3 fighter in many camps, so something one size up makes sense as well. Its rumored M5-battling GS-F will need some serious hardware underhood to take on its just-right-sized Bavarian rival. Something like a 500 HP V10 would seem a good start. And that's what it will get apparently.
Of course this is still early guesswork, and by the time the car debuts as a 2012 model the benchmark may have made a move of its own, so we'll just trust Motor Trend's predictions for now. They forecast the GS-F will get the LF-A's "500-plus-horsepower, Formula 1-inspired sub-five-liter V-10." That racy mill will find its way into the all-new 2011 GS sedan, backed by a modified eight-speed automatic from the LS 460, which allows "ultrafast" manual shifting via paddles. It should be an interesting challenger to not only the M5, but to the Audi RS6, Mercedes E63 and Cadillac CTS-V as well. We'll keep you posted.

Thanks for the tip, Patrick!

[Source: Motor Trend]

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