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New Porsche 4-cyl engines to range from 1.6L to 2.5L

Recent rumors of a turbocharged, flat-four-engine from Porsche for the Boxster (pictured testing above), Cayman and maybe other models go back over a year. The latest scuttlebutt indicates that there could be three variants on the horizon with 1.6-, 2.0- and 2.5-liter displacements and power as high as 360 horsepower.
Car magazine in the UK claims to have access to the specifications for the project and thinks the 2.0- and 2.5-liter versions are guaranteed for production for the Boxster and Cayman. However, it believes a question mark still looms over the 210-hp 1.6L because the engine would go into a new, smaller sports car that still doesn't have a green light for production.
Regardless of displacement, the new fours would be turbocharged and direct-injected. The 2.0-liter would produce around 286 hp and 295 pound-feet of torque, and the 2.5-liter would make about 360 hp and 347 lb-ft. Earlier reports pegged some parts sharing with the current flat-six.

McLaren boss' exclusive Porsche 935 Street is worth three 911 Turbos

McLarens may be exclusive, but there are still hundreds - if not thousands - of people out there who can say they own one. Mansour Ojjeh is one of them, but he doesn't just own a McLaren - he owns McLaren. As in, the company that makes the racing and exotic supercars. Or 25 percent of it, anyway. As the head of Techniques d'Avant Garde, Ojjeh is one of the British outfit's largest shareholders, previously having owned Heuer watches (before selling it to luxury giant LVMH) and engineered Porsche's most successful foray into Formula One - winning the world drivers' championship three times in a row and the constructors' title twice with Alain Prost and Niki Lauda behind the wheel of McLarens with Porsche engines developed and branded by TAG.
In short, he probably could get any McLaren he wanted at the drop of a hat, but also had strong ties to Porsche in the 80s, and this is the car he wanted. It's called the Porsche 935 Street, and it's the only one ever made. Inspired by the 935 racer that won Le Mans and over 120 other races, Ojjeh contracted Porsche Exclusive when it was still in its infancy to make him one for the road. So they took a 930 bodyshell, slotted in the 3.3-liter turbo flat-six from the 934 but cranked output up to 375 horsepower, and gave it the brakes, suspension, BBS wheels and wide-body aero from the 935 racer. They painted it a deep metallic red and trimmed the interior with cream leather and wood veneer.
When all was said and done, a total of 550 modifications were performed, detailed on a seventeen-page invoice and costing as much as three new 911 Turbos at the time. Ojjeh only put 12,000 miles on the odometer, running up and down the French Riviera, and has now put it up for sale at the upcoming Bonhams auction at Spa where it's tipped to fetch upwards of 300,000 euros - equivalent to $410k at today's rates, or, once again, the price of about three new 911 Turbos.

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.