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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).

Porsche wants a better 'connected car' [UPDATE]

UPDATE: In an earlier version of this story we mistakenly identified Joe Lawrence as the CEO of Porsche Cars North America; Lawrence is in fact the Chief Operating Officer, COO, of PCNA. The text has been changed to reflect this. Porsche is known for great engineering, but it's usually the type that leads to fantastic engines and sublime handling, rather than cutting-edge infotainment systems. The company wants to alter that balance in the future to put a greater emphasis on connectivity in its models. Porsche Cars North America COO Joe Lawrence outlined the brand's goals during a speech at the Bloomberg Innovation Forum in Atlanta, according to Automotive News. "Recognizing the phone is so ubiquitous in every sector, how do we integrate that into driving experience in a way that is safe and enjoyable?" he said. Lawrence suggested the company might be working with Google and Apple on future solutions. Even if Porsche is working on making more tech savvy models, don't expect the company to forget its roots. Brand boss Matthias Muller also broached connectivity during his recent speech at a conference and said the sports car business' customers didn't want "a smartphone on four wheels." He promised investments in research and development to come up with an answer. In the same speech, Muller strongly suggested fully electric Porsche models were on the way and also announced a seventh model line coming in the future. Lawrence reiterated the company's future, as well, in his address. "We will see further electrification of our product line," he said, according to Automotive News. Rumors of Porsche building a Tesla-fighter have been circulating as of late. The vehicle is possibly in the body of the smaller Panamera called the Pajun, and it could offer a 300-mile range with an electric motor at each axle kicking out a reported total of 600 horsepower. Related Video:

Porsche offering new tire option for Carrera GT

Let's face it: finding new tires for older cars can be challenging if tire manufacturers have stopped carrying the right sizes (this writer went through Hell to find a set of 205/60-13s). But what about tires for low-volume supercars, which use sizes that often won't fit on high-volume production vehicles? The Porsche Carrera GT isn't that old and tires are still available in the correct sizes, but the German automaker has shown its support of keeping them on the road by working with Michelin to give owners yet another tire option. Enter the Carrera GT-specific Pilot Super Sport.
It's common knowledge that tires are one of the most important pieces of the performance puzzle, and Porsche claims that the PSS tires, sized 265/35ZR-19 front and 335/30ZR-20 with Porsche's "N0" rating, will improve the Carrera GT's handling and stability all the way up to its claimed top speed of 205 miles per hour. That's important for a car with razor-sharp handling characteristics. They'll also net drivers a 10-percent increase in fuel economy on regular roads and up to 20 percent on racetracks, Porsche says.
The PSSs use cutting-edge tire technology to harness the Carrera GT's 610-horsepower. They have a dual-compound tread that's different from the inside of the tire to the outside, which, Porsche says, helps steering precision and increases maximum grip. Aramid fibers, which are lightweight but just as strong as steel, are used in the tire's belt to reduce unsprung weight.