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See what the Chevy C7 ZR1 may be benchmarked against

One of the greatest things every Corvette has had going for it, and also one of the most re-used arguments against it, is its price-to-performance equation - long before the Nissan GT-R became the de facto Porsche 911 comparator the Corvette spent decades as Exhibit A. Depending on which side of the argument you stressed, supporters crowed about how much performance you got for how (comparatively) little, detractors carped on how little you got everywhere else in the bargain.
It appears Chevrolet is working as hard as ever to render the argument meaningless. Spy shooters at KGP captured a convocation of European birds of prey leaving the General Motors test center, and aimed at benchmarking the C7 Corvette ZR1. The road train comprised of two C7 Corvette Stingrays, a 2013 Corvette ZR1, McLaren MP4-12C, Ferrari 458 Italia, Audi R8 V10 Spyder and Porsche 911 Carrera S and it was last seen heading down the same kinked-up back roads used to hone the Corvette Stingray.
The C7-series ZR1 and its possible 700 horsepower are still a ways off. If it really is being positioned to compete with the celestial exotica in the testing group, could it be the first Corvette to regularly be the first answer to the question "Cost no object, which would would you rather have?"

Porsche 911 puts Turbos on its turbos

Distinct from the turbo-but-not-Turbo Porsche 911, the new high-performance models come to market with either 540 or 580 horsepower, depending on which version of the 3.8-liter, twin-turbocharged flat-six engine you choose. Both figures count as a 20-horsepower bump over the last Turbo/Turbo S, allowing both models to hit 60 in under three seconds – 2.9 and 2.7 seconds, respectively – and in the case of the S, on to a 200-plus-mph top speed. This capability will not come cheap, of course. Before so much as dipping a toe into Porsche's notoriously deep options catalog, the base Turbo will demand a $160,195 check. That's awfully spendy, and things don't improve as you climb up the range. The cabriolet adds $12,300 to that, while the S starts at $189,095. Going topless in the Turbo S will require $201,395. We had no trouble building a Turbo S Coupe up to $211,000 without adding some of the more obnoxious options, like the $1,720 leather air vents. Check out our live galleries of both the new 911 Turbo and the 911 Turbo S at the top of the page. Redefining fast: the new 2017 Porsche 911 Turbo and 911 Turbo S Top model of the 911 range offers more power, fresh design, and enhanced features ATLANTA, Nov. 30, 2015 /PRNewswire/ -- Porsche will be off to a powerful start in 2016 when the 2017 911 Turbo and 911 Turbo S make their debut at the North American International Auto Show in Detroit in January. The top-of-the-line 911 models will be available in both coupe and convertible body styles and are equipped with engines offering 20 horsepower more than before, a sharper design, and enhanced features. The 3.8 liter twin-turbo six-cylinder engine powering the 911 Turbo now develops 540 hp. The increase in horsepower is achieved through modified intake ports in the cylinder heads, new fuel injectors, and higher fuel pressure. The 911 Turbo S now makes 580 hp thanks to new turbochargers with larger impelle. In addition to a higher maximum torque (553 lb.-ft. in overboost compared to 523 lb.-ft. on the Turbo), the Turbo S also has a higher redline (7200 rpm instead of 7000). Porsche is still the only manufacturer to use turbochargers with variable turbine geometry in gasoline engines. The engines now also have a dynamic boost function, which improves throttle response during spirited driving. It maintains the boost pressure during load changes – i.e. when the accelerator pedal is briefly released.

Porsche 911 GT2 test mule caught in the snow

This may look like a weird, cobbled-together Porsche, but insiders tell us we're actually looking at the forthcoming GT2. Maybe even a GT2 RS. Those schooled in the intricacies of Zuffenhausen nomenclature will be suitably excited by now. But for the rest of us, the GT2 (with or without the RS) represents the pinnacle of the most hardcore 911s. It's essentially a 911 Turbo without the all-wheel drive but some other goodies thrown in – or to put it another way, it is to the Turbo what the GT3 is to the 911 Carrera. Porsche first did a 911 GT2 back in 1993 based on the 993-generation model. It then did another based on the 996, and then on the 997. But the last one we saw was the GT2 RS that came out in 2010, packing 612 horsepower channeled exclusively to the rear wheels through a six-speed manual transmission. The German automaker didn't do a GT2 version of the 991, but now that the entire model line is undergoing a transformation – and an near-complete switch to turbo power – it apparently has another one in store for us. Aside from ditching the Turbo's all-wheel drive, the new GT2 will be lighter and pack more power – as much as 700 hp, from what we hear. As you can see from the spy shots, the test mule spotted romping in the snow is also wearing larger exhaust tips and the signature GT2 RS black hood. Expect the finished product to wear its own shoes and a more extreme aero kit as well. The question on everyone's minds will be whether it will, like the latest GT3 and GT3 RS, be offered only with a dual-clutch transmission, a conventional manual, or the buyer's choice of either. We'll find out sooner or later as the most extreme of Elfens is tipped to surface late next year. Related Video: