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New info on how VW, Porsche, Audi V6 TDI engine cheat works

The German newspaper Bild am Sonntag is reporting that US investigators have found three pieces of software that work in concert to turn off the emissions control equipment in certain diesel models after a set period of time. The engine in question, the 3.0-liter TDI turbodiesel, was found in certain Volkswagen Touareg, Audi Q7, and Porsche Cayenne models – the sale of which was suspended in the US late last year. Since most emissions compliance testing takes around 20 minutes, the software in the three VW Group models shuts off the emissions control equipment after 22 minutes, a straightforward end run around the testing. Remember that the 3.0-liter TDI engines aren't included in the big buyback and recall program announced for the smaller 2.0-liter, four-cylinder TDI engines. The 3.0-liter engines will likely get their own program, but we don't know when to expect it or exactly what it will look like. Last month, California rejected a proposed fix for the larger TDI engines, and VW went back to the drawing board. Since the company is unlikely to create two fixes, one for California and one for the rest of the nation, the company can't really proceed until they figure out a solution California will accept. The EPA hasn't officially commented on the report, and we don't know how Bild am Sonntag came across the information, but we'll be closely watching what emerges after this report. Related Video:

Porsche Cayman GT4 speeds back into view

We're all familiar with the succession of numbers that follow the letters GT on a hard-core Porsche 911: the GT1 that was Stuttgart's Le Mans contender in the late 90s, the GT2 that packs turbochargers but without the Turbo's all-wheel drive and excess weight, and the naturally aspirated GT3 that's the enthusiast's choice. But a GT4? That's something new, and exactly what Porsche has in store.
Spied testing in Germany once again is the upcoming GT4 version of the Porsche Cayman, set to supersede the existing GTS and take the place of the previous Cayman R at the top of Porsche's junior sports car range. This latest batch of spy shots doesn't show us much more than the last crop, but gives us a much clearer view at what promises to be the most hardcore Cayman to date.
As you can see, the Cayman GT4 packs a much more aggressive aero kit and rolling stock than any version we've seen to date. It's got a lip spoiler, big air dam and GT3-style vent in front of the hood, deep air scoops along the flanks, a set of spindly alloys packing oversized brakes, a diffuser with twin central exhaust tips around back and a rear wing that's likely to be replaced with a sleeker unit before the GT4 reaches production.

Porsche offers detuned Boxster and Cayman 211 in Europe

Looking at a new Porsche Boxster? First of all, we commend you on your choice, because in its latest iteration, the Boxster has sped out from under the shadow of the 911 and into its own. But now to choose: do you get the base model with 265 horsepower, the Boxster S with 315 hp, or the top-of-the-line Boxster GTS with 330 hp? It's a daunting question, considering the $10k+ price gap between each model that you could put into the gas-and-rubber jar. Same goes for the Cayman, albeit with ten more horses across the board. But as if that's not confusing enough, there appears to be another player on the field. (That is, at least, in certain European markets.)
Appearing on the company's Belgian and Norwegian sites are the Boxster 211 and Cayman 211. As you might have guessed, they pack a less substantial 211 horsepower, undercutting what we know as the base models. Instead of using a smaller engine, though, the Boxster and Cayman 211 get the same 2.7-liter boxer six, just with less power.
As a result, they're a bit slower off the line: the Boxster 211 takes between 6.1 and 6.4 seconds to get to 62, depending on exact specifications, compared to the 5.5- to 5.8-second range for the 265-hp Boxster, while the Cayman 211 is quoted at 6.2 seconds versus the 275-hp Cayman's 5.4 to 5.7 seconds. Fuel consumption and emissions, on the other hand (and as you'd expect), are better in the 211. But while Porsche Norway charges around $10k less for the 211 models, Porsche Belgium charges the same for the 211 models as it does for the next most powerful versions (from which they appear to be visually indistinguishable).