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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 announces plan to replace 911 GT3 engines

About a month back, we reported that Porsche was suspending delivery of its 911 GT3 due to reported incidents of the engine bursting into flames. A few days later, Porsche told owners of the new track-ready models not to drive their cars and had their local dealers pick up the cars in question. Just a couple of days ago, we reported that Porsche was working on a fix, and now we have the official details.
Following an internal investigation prompted by two such incidents, Porsche has confirmed that is has identified the problem as resulting "from a loosened screw joint on the connecting rod." The loose connecting rod, Porsche found, damaged the crankcase, which in turn resulted in oil leaking and then - in at least two cases - igniting.
Our source is unaware of Porsche being contacted by GT3 owners concerned about the impact of a replacement engine on their car's collectibility or resale value.

Ford Mustang outsold Audi TT and Porsche 911 in Germany

Despite being the antithesis of the cars Germany is known for, the new Ford Mustang was the best selling sports car in the land of schnitzel and beer last month by a whisker. The Mustang beat out the Audi TT by 780 units to 708, and it beat Germany's best known performance car, the Porsche 911, 780 to 752. That makes some sense, right? The Mustang has to be cheaper than those competitors, right? Not really. Both the EcoBoost and V8-powered Mustang have higher starting prices than the equivalent TT. The 2.3-liter, EcoBoost-powered Mustang starts at 38,000 euros (around $43,300 at today's rates), while the front-drive Audi TT starts at 35,950 euros (about $41,000). The V8-powered Mustang GT, meanwhile, starts at 43,000 euros (about $49,000), which is just 2,550 euros more than the Quattro-equipped TT. When 310 horsepower or 435 hp can be had for just a couple thousand more than 220 hp, it's easy to understand the Mustang's success. The 911, of course, is a lot more expensive than the Mustang. You can buy two Mustang GTs for the price of a single Carrera. But Ford also managed to beat out the Porsche's smaller siblings, the Boxster and Cayman twins, which sold a combined 642 vehicles. Again, the pony car is significantly cheaper, but that doesn't do much to lessen the impact of the Mustang's victory. If you're in Germany and are concerned about this American invasion, you shouldn't be (yet). The TT is Germany's best-selling sports car from January through March, with 2,299 to the Ford's 1,823. Porsche is breathing down the pony car's neck, too, with 1,811 units in 2016. It'll be interesting to see if Ford's successful March carries on into the rest of 2016. Related Video: