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Porsche accused of using steering inputs to cheat on emissions tests

Last week, the German transport authority KBA announced it was investigating Porsche and Audi for cheating on emissions tests. Wirtschaftswoche, a German economic publication, says the KBA's investigation focuses on a system that uses steering inputs to determine whether or not the car is being tested. While Audi has recalled 24,000 models, Automotive News reports that currently Porsche denies any wrongdoing. According to KBA, if the affected cars measured a steering input of 15 degrees or more, they would emit excess nitrogen oxide emissions. It's important to note that this is different than Volkswagen diesel CO2 emissions. The cars broke European strict emissions standards, so it's unclear what impact this has on cars in the US. Audi has recalled the A7 and A8, though it's unclear which Porsche models the KBA is investigating. Fifteen degrees is a small amount of steering input. The wheel can move that much just to move around a pothole or bump in the road. Essentially, if you're driving, you're moving the wheel at least 15 degrees in one direction or the other. If these allegations turn out to be true, it's going to be another blow to Volkswagen, Audi, and Porsche. While public trust in Volkswagen is supremely low, for the most part, Porsche's image has remained fairly clean. NOx emissions don't have as big of a long-term effect as CO2, though they're still bad for humans. Related Video: News Source: Wirtschaftswoche, Automotive News Government/Legal Green Recalls Audi Porsche Emissions

2017 Porsche Macan GTS First Drive

Zebulon Pike, the military commander and explorer for whom America's best-known mountain is named, never reached "his" peak, even though he tried. Over 200 years later, with a grin so giddy that I blame it on the thin air at 14,114 feet, I crested the summit of Pikes Peak a tick over 14 minutes after leaving the starting line. I was behind the wheel of the most fun-to-drive crossover anyone has ever built: the Porsche Macan GTS. I can't take credit for what must be one of the fastest unmodified sprints to the top. That goes to Pikes Peak legend Jeff Zwart, who led a pack of journalists in Porsche's latest Macan up the hugely demanding paved road. Zwart wasn't piloting a Macan GTS; instead, he was behind the wheel of the 911 GT2 he drove back in 2002 when much of the route was gravel. Today's pavement provides more grip but also less room for error, Zwart told us. Unforgiving, he called the mountain. That's just what you want to hear at 6:30 a.m. when Zwart, two cars in front of you, takes off at a racing start. Pressed later, Zwart admitted he drove at a fraction of his racing pace while juggling two radios (one to communicate with us and one for park rangers to alert him to wildlife on the road) and shifting a manual transmission. Strapped into a Macan GTS, however, I found the trip plenty stressful – but that's because of the blind corners, the narrow road, the frost-heaved pavement, the blinding sun, and, of course, those unforgiving drop-offs. The polished GTS, which slots in between the mainstream Macan S and the bonkers Macan Turbo, proved unflappable. Of the Macan flavors, which will soon include a four-cylinder base model, the GTS is best suited to carving through the Rockies. Its 3.0-liter, twin-turbo V6 comes from the Macan S, but Porsche dials its boost from 14 to 17.4 psi, bringing output to 360 horsepower at 6,000 rpm (up 20) and 369 pound-feet of torque from 1,650 to 4,000 rpm (up 30). The only gearbox available is the PDK (Porsche Doppelkupplung) seven-speed dual-clutch transmission with Comfort, Sport, and Sport Plus modes. In addition to the power increase, the GTS gets a standard air suspension that sits 10 millimeters lower than the optional version for the S and the Turbo. Front brakes cribbed from the Turbo and a switchable sport exhaust with a single flapper valve round out the performance changes.

Porsche busts out new Boxster GTS and Cayman GTS

Baby 911. The poor man's Porsche. That's what they called the Boxster when it debuted some 20 years ago. They said the same of the first Cayman when it arrived a decade later, but they stopped saying it when the latest iterations hit the scene two years ago. That's because Zuffenhausen's entry-level models have long since stepped out of their big brother's shadow and into their own. And that's all the more true of the new Boxster GTS and Cayman GTS.
Based on the Boxster S and Cayman S, the new GTS models benefit from an enhanced 3.4-liter flat six that produces 330 horsepower and 273 pound-feet of torque in the roadster or 340 hp and 280 lb-ft in the coupe - representing an increase of 15 hp and 7 lb-ft in either model. Both also come with the Sport Chrono package as standard, along with adjustable suspension and 20-inch alloys, blacked out to match the dynamic headlight surrounds and other muted trim.
Those disappointed by the unavailability of a manual transmission in the fire-prone 911 GT3 will be pleased to note that a six-speed manual comes standard, but those enamored of letting a pair of clutches shift themselves seamlessly will want to spring for the optional seven-speed DCT. So equipped and with launch control engaged, the Boxster GTS will rocket from a standstill to 62 miles per hour in 4.7 seconds, while the incrementally lighter, more powerful Cayman will hit it in 4.6. Either way you're looking at a third of a second quicker than the Boxster/Cayman S. There's also a 20-millimeter lowered suspension on offer for track-day enthusiasts.