Porsche Cayenne Base Sport Utility 4-door on 2040-cars

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911 beware! Porsche testing new top-trim Boxster

The Boxster and Cayman are like the scrappy siblings compared to their star brother – the Porsche 911. And now it looks like the rivalry is about to get even more serious, as our spies have captured this hotted-up Boxster doing some winter testing. We've already seen Porsche evaluating a higher-performance version of the Cayman, rumored to be called the GT4. It would reportedly offer a taste of the thrills of the 911 GT3, but at a lower price. The coupe appears to have a convertible twin in this Boxster prototype. The biggest giveaway of their possible relationship is the shared front bumper with larger intakes and an extra opening at the tip of the hood. Although, this one lacks the Cayman's big, rear spoiler in favor of a smaller decklid unit. The good news for fans of shifting for themselves is that this tester is fitted with a manual transmission, according to our spies. Being a prototype, though, there's no guarantee that the gearbox makes it to production. At least in Cayman trim, these higher performance models might use a tuned version of the 3.4-liter flat-six with between 370 and 400 horsepower. Though, an earlier rumor suggested that a turbocharged four-cylinder could sit behind the driver. Until we know for sure, glance at the gallery to see a Porsche that might try to challenge its big brother.

Porsche Cayenne diesel V8 may not be long for this world

Goodbye, Porsche Cayenne V8 Diesel. We hardly knew ye. Nor did the Europeans, apparently. Porsche's V8 oil burner is still on the European model list for the Cayenne SUV, but the mill won't go through the likely pricey process of being updated to adhere to new and stricter European emissions standards, Just-Auto says. A Porsche spokesman confirmed to the publication that it's a fairly complicated process to update the diesel V8 to be so-called "Euro-6 compliant." With Cayenne diesels selling in relatively low volumes anyways, the German automaker might just dump the V8 diesel altogether, as it'd be quite cost-ineffective to make the necessary upgrades. The V8 diesel was a 4.1-liter engine that delivered 385 horsepower in addition to what sounds like a little too much exhaust for European clean-air regulators. While that's a pretty powerful profile, the most recent gas-powered V8 for the Cayenne delivers about 570 horsepower, so the diesel engine won't likely be missed by European auto enthusiasts. Besides, there's still the V6 diesel that's also sold in the US. That's a 4,800-pound beast that moves from 0 to 60 miles per hour in about seven seconds and gets a relatively (for diesels) modest 20 miles per gallon city. For those who are curious, Autoblog's First Drive review of that model can be found here.

Top Gear brings together LaFerrari, McLaren P1 and Porsche 918

Earlier this month, Top Gear released a brief video of the comparison test between three hybrid hypercars we'd all been waiting for: the Ferrari LaFerrari, McLaren P1 and Porsche 918 Spyder. The story was done by the print magazine and not by the television show, and the video they released was barely over half a minute long, reserving the full version for subscribers of the iPad edition. Now the British mag has put the full video on YouTube, and while it's still only a minute and a half long – three times the length of the previous teaser – it's packed with electrified exotic goodness. The test surely took some serious wrangling to put together, and though the metal (or carbon fiber, as the case may be) was apparently furnished mostly by private owners, to hear Top Gear tell it, the manufacturers – Ferrari, McLaren and Porsche – were eager and helpful in putting the showdown together. For the final conclusions, we're afraid you'll still have to buy the magazine, but for a rare chance to watch all these three world-beaters on the same road at the same time, you'll want to scope out this latest video clip. Related Video: News Source: Top Gear via YouTube Ferrari McLaren Porsche Hybrid Supercars Videos porsche 918 spyder mclaren p1 ferrari laferrari