The Porsche 911 Turbo and Mercedes-AMG GT better watch out as word on the street is that Jaguar’s upcoming F-Type SVR will pack more than 600 horsepower. By comparison, the 911 Turbo and GT in their most potent form come with 560 and 503 hp respectively. The latest information was posted to Twitter by Motor Trend’s Jonny Lieberman without mention of a source, but it’s credible given Jaguar’s most recent updates to its venerable supercharged 5.0-liter V-8 engine.

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The F-Type Project 7 launched last year was the first product from the fledgling SVO skunk works that produces highly-personalized and high-performance vehicles for Jaguar and sister brand Land Rover. The high-performance models wear “SVR” badging, with the first of these being the Range Rover Sport SVR.

The F-Type Project 7 wasn’t badged an SVR but it does hint at some of the upgrades we can expect on the eventual F-Type SVR. Its engine was rated at 575 hp, which was enough for 0-60 mph acceleration in just 3.8 seconds and a governed top speed of 186 mph. Further tuning should allow hp to move beyond 600 hp, and together with the F-Type’s new all-wheel-drive system we could see the F-Type SVR’s performance encroach on that of its aforementioned rivals.

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Prototypes have been spotted in the wild so hopefully we’ll have the first shots of the car soon. Look for more aggressive aero enhancements similar to those featured on the F-Type Project 7, as well as the car’s electronic active differential, carbon ceramic brakes and uprated suspension. At some point there may also be an even more hardcore version similar to the previous XKR-S GT.

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