Originally Posted by Uncle Scotty
I have a hard time believing that they could get that much hp out of 2.0L without resorting to some unusual means, and certainly not in the usa with 91 octane and our emissions.
You can't rule it out though. Mitsubishi/Ralliart exceeded that with the FQ-400 (405 hp), though I'm not sure if those count since I think they're sold as aftermarket kits, though they're still legit models. At the same time, AMG has been toying with turbochargers for quite some time at this point, like in the 65 series V-12s, the current 63 series V-8s (while also having been rumored to have been testing a twin-turbo version of the previous 63 series V-8) and also the more recent V-12 powering the current Pagani Huarya.