1991 Porsche 911 Carrera 2dr Coupe Targa on 2040-cars

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Meet the new Porsche 718 Boxster and Boxster S

The rumors were mostly true. Porsche had already confirmed that the Boxster and Caymans would receive a "718" appended to their badges, in honor of their famous mid-engined racecar of the 1950s and '60s, but the mechanical details were left up in the air. We were almost certain both would be powered by turbocharged flat-fours of a couple of displacements and outputs, and now we can confirm that this is the case. Porsche has revealed the official specs for the 718 Boxster, which will go on sale in Europe this April. The biggest news concerns the flat-fours. The regular 718 Boxster will get a 2.0-liter, turbocharged flat-four producing 300 hp. The 718 Boxster S will get an extra half-liter of displacement and a variable-geometry turbocharger to produce a total of 350 hp. This represents a 35 hp gain over the current Boxster and Boxster S, respectively. Porsche also claims the turbo fours improve fuel economy by around 13 percent. By the NEDC European test cycle, the 2.0-liter gets roughly 34 mpg and the 2.5 gets 32 mpg, although rest assured that EPA test results will yield different numbers than the optimistic European test. Torque gains with the new boxer fours are significant. The 2.0-liter gains 74 lb-ft of torque for a total of 280 lb-ft from 1,950 to 4,500 RPM. The 2.5 gains less, 43 lb-ft, for a total of 309 lb-ft over the same rev range. The extra torque and wide torque band make the 718 Boxster quicker to 60 mph, at least when equipped with the PDK gearbox and the Sport Chrono Package. The 2.0-liter car does the deed in 4.5 seconds, a 0.7-second improvement, and the 2.5-liter car is claimed to hit 60 mph in 4.0 seconds, a 0.5-second improvement. 2016 Porsche 718 Boxster View 11 Photos Inside, a new dash houses the latest Porsche Communication Management infotainment system with a touchscreen, included on all 718 Boxsters as standard – although nav is an optional extra. The buttonless, capacitive-touch center stack we just spied on the next Panamera does not make it inside the 718 Boxster, which makes do with a very similar button layout to the current car. Both cars will come with a six-speed manual as standard, which is great news, and a PDK will be optional for both. Porsche also claims to have made the electrically-assisted steering more direct, and retuned the suspension. An optional PASM package lowers the car by 0.4 inches while providing the benefits of active dampers. From a styling standpoint, this is an evolution of the current theme.

Watch the incredibly complicated operation of Porsche's new targa roof

Despite Porsche having claimed the name, targa tops are nothing new. In addition to the semi-roofless version of the 911, plenty of cars in the past have used removable roof panels - the new Corvette Stingray has one (as have prior generations), and this type of open-air experience has been available on past vehicles like the Pontiac Solstice Coupe and Honda Civic del Sol.
But when Porsche took the top off its brand new 911 Targa here at the Detroit Auto Show, it was indeed cause for pause. Simply put, this is one of the most complicated and intricate electronic roof panel removal techniques we've ever seen, save perhaps, for the setup found on the Japanese-market Civic del Sol from the 1990s.
We won't spoil the video for you, but basically, rather than just the roof panel coming off, the entire rear glass area lifts away the body in order for the small section over the passenger compartment to slide back. This has to be incredibly expensive to repair once it inevitably breaks. And we highly doubt you'll be able to operate this mechanism at any speed.

Ruf RGT 4.2 offers 518 hp of naturally aspirated power

Ruf has a reputation for building some fast interpretations of the Porsche 911, and the company's latest RGT 4.2 at the Geneva Motor Show provides an interesting point of comparison compared to the new GT3 RS that's debuting there. In terms of pure power, the Ruf wins out. The company crafts a flat six with 4.2-liters of displacement making 518 horsepower and 369 pound-feet of torque with a top speed of 200 miles per hour. In contrast, the latest GT3 RS gets 500 ponies and 338 lb-ft of twist from its direct-injected 4.0-liter mill. Depending on your desires, the RGT 4.2 might have the preferred gearbox too with its six-speed manual versus the Porsche's PDK. Styling is also going to come down to personal tastes between these two. The RGT 4.2 has an almost old-school racing look with its bolted-on fender flares, five-spoke wheels, thick carbon fiber rear wing and lower front air dam. Inside, there's also an integrated roll cage. The RS, on the contrary, appears thoroughly modern with its big fender intakes at the back, slashes just behind the front wheels, CFRP hood and magnesium roof. Check out Ruf's naturally aspirated monster on the Geneva show floor in the gallery, above. The RGT 4.2 maintains a long tradition of Ruf supercars with its outrageous driving performance. Unveiled in 2000, the first RGT was characterised by its powerful, torquey normally-aspirated flat-six engine. With a significantly reduced all-up weight and sports-oriented suspension system, the RGT was an extremely impressive driving machine.Now, in 2015, the RGT remains true its original concept, though its external appearance is clearly more athletic. The wheel arches are more bulbous and the front facade presents huge round air intakes for more effective cooling. The chassis is reinforced by RUF's hallmark Integrated Roll Cage (IRC). Propulsion is provided by its virile 4.2-litre six-cylinder, normally-aspirated engine, developing 525bhp and 500Nm of torque, featuring dry sump lubrication with external oil tank. A proper driving machine for sure POWER 525 PS / 386 kW @ 8.370/min TORQUE 500 Nm @ 5.820/min DISPLACEMENT 4178ccm TRANSMISSION 6-speed manual gearbox TOP SPEED 322 km/h FUEL CONSUMPTION urban 19,8 l/100km non-urban 9,8l/100km combined 13,6 l/100km CO2 emissions 317g/km Effizienzklasse G Related Video: