1991 Porsche 964 Carrera Targa on 2040-cars

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2014 Porsche 911 Targa takes its crop-top off in Motor City

Back in 1965, Porsche invented the 911 Targa as a matter necessity. Believing that a finicky National Highway Traffic Safety Administration was prepared to outlaw convertibles, the innovative automaker created the half-open car as a way to keep wind rushing through owners' hair. Though far removed from those formative days, it seems as though the 2015 Porsche 911 Targa has come to the Detroit Auto Show with a new-school version of some old-school tech.
While the last Targa featured a trick sliding glass roof at the touch of the button, the new car dramatically swallows a traditional-looking panel via an exceptionally complex-looking mechanical operation. The net result is "the same fun factor and freedom" that can be had with a complete convertible, though with slightly more open-driving protection while underway.
And, as is the case with all of the current 911 range, getting underway can be done with reasonable rapidity. The entry-level Targa 4 rocks a 350-horsepower, 3.4-liter flat-six engine just behind the rear axle, making that car good for 175 miles per hour at the top end (with the seven-speed manual, 174 mph with PDK) and a 0-to-60 sprint of 4.6 seconds. The Targa 4S, meanwhile, offers 400 horsepower from 3.8-liters of boxer six, runs to 60 in 4.2 seconds and hits a top "track speed" of 183 mph.

Autocar pits Porsche 911 Turbo S against Formula 4 racer

There is a long-running argument among performance car fans: power vs. weight. In one corner you get cars generally with small engines making modest numbers but able to corner like they are telepathic, and in the other there are big thumping mills that are rocketships in a straight line but lumber in the turns. Autocar takes an interesting look this continuum in a recent video pitting a 552-hp Porsche 911 Turbo S against a 185-hp Formula 4 racecar. It hopes to find whether the Porsche's huge power advantage is enough to defeat the better grip and aero offered by the nimble racer.
There's no doubt that the Porsche is an utterly fantastic road car. The 911 Turbo looks mean with all of those intakes to suck in cool air, and it backs up the posture with huge amounts of grip available thanks to its all-wheel drive-system. However, at 3,538 pounds, it's a bit of a porker compared to the 1,135-pound Formula 4 car. The open-wheel car boasts just a 2.0-liter naturally aspirated four-cylinder from Ford and a six-speed sequential-manual gearbox, but it has loads of downforce to make up for it.
It shouldn't be a surprise that the formula car wins in the corners. After all, that's what it's made for. So do you think the massive horsepower superiority of the Porsche is enough to even the playing field? Scroll down to watch the video and find out, and even if you're not curious of the winner the 911 does some mean powerslides.

Charles Morgan drives a wicked air-cooled Porsche 911 GT2

Porsche has made a fantastic array of driver's cars over the years, but few can still drum up the kind of excitement as the first 911 GT2. It launched in 1993, based (appropriately enough) on the 993-generation model to serve as a homologation special, and remains a cult classic over two decades later. So to review one, the blokes at Carfection brought in Charles Morgan, former managing director of his family's sportscar manufacturer. The 993-gen GT2 was the first of its breed, packing a 3.6-liter twin-turbo flat-six cooled by air and good for 430 horsepower, all driven to the rear wheels through a six-speed manual. It had a full roll cage, plastic fenders riveted over the wider track, and... little else. It was raw, engaging, and extremely rare. Only 57 road-going examples were made, and these days they're trading hands for stupid money that only investors could afford – but could not afford to drive lest it crash into a write-off. Little wonder that Harry Metcalfe opted for a non-original example that had been brought up to GT2 spec in the aftermarket, and that's what Mr. Morgan is driving here as well. That may make it less authentic, but it still looks like a blast to drive along twisting country roads. See for yourself in the eight-minute clip above, brought to you by the same chaps who used to make the Xcar videos. Related Video: