If you want to destroy anything in a straight line, Porsche will sell you a $257,500 911 Turbo S with 607 horsepower, lots of naked carbon fiber, a wing and an unofficial time of 2.5 seconds to 62 mph. Yet if you're more into the rear-wheel drive experience, nothing will beat the 2018 GT3, a relative bargain at $143,600.

The 991.2 GT3 packs a brand new naturally-aspirated 4.0 liter flat-six, featuring a rigid valvetrain system, new pistons, rings, crank and bearings, as well as a more slippery cylinder liner coating for a peak output of 493 horsepower and 339 pound feet of torque. These technologies also allow it to rev up to 9000rpm.

Combined with revised Michelin Pilot Sport Cup 2s, updated dampers and springs, a different rear-wheel steering setup and a whole lot more aero, this powertrain makes the 991.2 roughly three seconds faster around the relatively short Anglesey Circuit than the 991 GT3 was with Chris Harris behind the wheel. Talk about an insane rate of progress, and an intake sound that could wake the dead:

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One would have to spend a serious amount of money on a 911 to get as much performance out of it as what Porsche manages to put into production. That 4 liter is pure motorsport technology. With that in mind, we can't wait to see what the 640+ horsepower GT2 RS will be capable of...

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