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2016 Rolls-Royce Dawn debuts [w/video]

"It expresses this notion of opening up and the light coming in." Rolls-Royce officials said this of the new Dawn convertible during a private showing in Beverly Hills back in May. It was quite a coincidence, then, that the Friday I saw the Dawn in person was the first clear day in southern California after a stretch of unseasonable rain and clouds. I already told you many details about Rolls-Royce's new convertible Drophead, but now, ahead of its official debut at the Frankfurt Motor Show next week, we have the official release. And while the Dawn shares its underpinnings with the Ghost sedan and Wraith coupe, Rolls sees this new model as different enough to warrant a separate name. "It speaks of fabulous places and beautiful people." "Given its character, [the Dawn] deserved a name that was not ethereal," Rolls-Royce said. "It speaks of fabulous places and beautiful people. It's a lot sexier [than the Phantom]." And while the design seems like a convertible Wraith at a glance, nearly 80 percent of the Dawn's body panels are new. The doors carry over, but the chin is pulled forward by 2.1 inches compared to the Wraith and the grille is recessed by 1.7 inches. The beltline arches up around the back of the cabin, "how you turn a collar up on a jacket," according to one designer. The Dawn is a very pretty car, and the effect of the dark blue exterior contrasting with and orange interior stunning in person, if muted in the photos. The six-layer canvas top retracts in a silent operation, stowing neatly behind the open-pore wood deck just aft of the rear seats. In yet another breathless passage, Rolls says passengers should not be "inconvenienced by noise." With the top up, the profile of the Dawn is more three-box hot rod than the fastback look of the Wraith. A choice of 20- or 21-inch polished or painted wheels round out the exterior. Inside, Dawn is fitted with the same luxurious appointments and technology as Wraith and Ghost, with seating for four. Accessing the rear seats is easy, and there's ample legroom for tall passengers – I watched several six-foot-plus journalists nestle themselves back there without issue. That said, on planet Rolls-Royce the Dawn is not a 2+2. "In the world of Rolls-Royce, day-to-day mathematical norms don't always apply. That's why I say in the case of the new Rolls-Royce Dawn, 2+2 does not equal 4." But it holds four people. So, yeah. Rolls-Royce says the Dawn is its "most versatile canvas" yet.

Top horsepower-per-dollar cars in 2017

Bang for the buck. That quasi-scientific statistic is bandied about by motor heads everywhere from classrooms to barrooms, though the truth of the matter is that it's exceedingly complex to measure. A fair performance-per-dollar index would include something like cross-referencing MSRP (Manufacturers Suggested Retail Price) with point-to-point times on a track or driving route, which is obviously hard to do comprehensively. But, for the sheer joy of talking about cars and playing with a big spreadsheet, there's always the horsepower-per-dollar index, which is more straightforward, albeit hilariously flawed. There are vagaries even with this simple formula, of course: MSRP for vehicles can change at a moment's notice, to say nothing of the bottom-line shifting that happens with local deals or showroom negotiation. For this list we're running with the straight MSRP wherever possible, and as recently reported as we can get it. All the vehicles on this list are 2017 models, and all trims are reported where the lowest price and differing power levels intersect. Some choices were made for personal preference and some for sanity, avoiding things like all 48 trim levels of the Ford Transit, all with the same horsepower). If this list were a simple top ten, or even a top fifty, you'd be bored to tears with all the red, white and blue that is represented. Following perfectly with conventional wisdom, American cars really do lead the world where hp/$ is concerned. So, for the sake of variety (and the sheer joy of seeing a minivan 'win' one round of this thing) I've sorted out some top five and bottom five lists for broad power categories. Let's dive in. Less Than 100 Horsepower Okay, okay, this is hardly a category we'll grant you. But we've often tried to click off all the sub-100-hp cars on sale in the US, and making this list gave us an excuse. It also illustrates that none of these smallish vehicles bring cheap horsepower to the table - for that you'll need a motorcycle. The segment-leading Chevy Spark (above) asks just over $139 for each hp, and that Smart Fortwo Electric Drive has hp on sale for about the same price as its very distant family cousin, the Mercedes-Benz SL65 AMG (insert your favorite Smart joke here... we know you want to).

BMW's Connected Drive feature vulnerable to hackers

BMW is working to fix a cyber-security flaw that has left 2.2 million vehicles worldwide vulnerable to hackers. Cars equipped with the automaker's Connected Drive remote-services system are affected, according to the German Automobile Association (ADAC), which first discovered the problem. Researchers found they could lock and unlock car doors by mimicking mobile communications and sending phony signals to a SIM card installed in affected vehicles. An attack could be launched "within minutes" of accessing the system without the perpetrators leaving a trace, according to their report, in part because once they had gained access to the network, the communications were not secure. In response to the security gap, BMW says it has been upgrading software via over-the-air updates over the past week, so no visits to dealerships are needed to remedy the security hole. In fact, owners of affected cars may not have even noticed the updates taking place. The problem affects BMW, Rolls-Royce and MINI vehicles equipped with Connected Drive since 2010. Flaws were first reported to BMW last year by ADAC, which is the country's equivalent of AAA. ADAC says it withheld a public announcement until the car company could address the problem. While BMW has pushed the software patch to most affected vehicles, the organization said it's possible some at cars in the United States had not yet been updated. BMW did not respond to a request for comment Monday. In a written statement, the automaker said it knows of no real-world breaches. 2015 Off To Dubious Start The hack could raise the eyebrows of industry leaders: Cars are now the equivalent of mobile computers and cyber-security experts have been warning that the auto industry has been slow to close its security holes. BMW's breach marks the second time in 2015 that researchers have found a popular automotive feature with little or no security precautions. Last month, experts said a popular device made by Progressive Insurance that allows motorists to track their driving habits contained no security whatsoever. Like the Connected Drive smart-phone app, many automotive components and infotainment features were conceived and produced at a time when industry executives never considered the possibility someone might want to hack into them. But increased connectivity brings increased risk. Going forward, BMW says its Connected Drive features will now operate by using encrypted communications via the HTTPS protocol.