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Porsche tops J.D. Power quality index as Korean brands soar

While complaints about infotainment systems remain a thorn in the side of automakers for J.D. Power's annual Initial Quality Study, there's a lot to celebrate this year. The average number of problems reported per 100 vehicles fell to 112 in 2015 – a three-percent improvement compared to 116 in 2014. The results of this year's survey are based on the responses of over 84,000 people about problems within the first 90 days of buying or leasing a 2015 model-year vehicle. For the third consecutive year, Porsche tops the rankings with an average of 80 problems per 100 vehicles. Although, that's slightly more than the 74 the German sportscar maker scored in 2014. "While the Japanese automakers continue to make improvements, we're seeing other brands, most notably Korean makes, really accelerating the rate of improvement," Renee Stephens, vice president of US automotive quality at J.D. Power, said in the study's release. In fact, Kia ranks as one of the biggest movers in this year's list. The Korean brand jumped to second place from seventh last year. The company had an average of 86 problems per 100 vehicles, a 20-point improvement. Third place went to Jaguar with an average of 93 problems reported, versus last year's second-place finish with 87 of them. Fourth place was Hyundai, and fifth-place Infiniti also earned a gold star for improvement with 97 issues per 100 vehicles – 31-points better than last year. Fiat still anchored the bottom of the list. However, its 161 problems this year is a lot better than the 206 in 2014. Ranked by nationality, Korean brands (Hyundai and Kia) are now leading the industry in initial quality with an average of 90 problems reported per 100 vehicles. According to J.D. Power, this is the first time Europe's figure beat Japan with 113 and 114 issues, respectively. The American brands also averaged 114. Whereas General Motors dominated last year, the segment awards are spread out in 2015. GM, Hyundai, Nissan, and Volkswagen Group are all tied with four models each earning prizes. For more information, you can also see all of the graphs, here. J.D.

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).

Mercedes-Benz EQC vs. Jaguar I-Pace vs. Tesla Model X: How they compare on paper

The Mercedes-Benz EQ line is officially alive and kicking, with the reveal of the EQC electric crossover. It joins a segment that, while still in its infancy, seems ready to take off. Mercedes lists as the EQC's competitors the Jaguar I-Pace, The Audi E-Tron Quattro and the BMW iX3. While we've seen all of these, at least in concept or pre-production form, only one — the Jag — has actually been launched in production form. We've seen a concept and subsequent spy shots of the iX3, and the Audi EV will get its official specs publicized later this month. One electric SUV Mercedes didn't specifically call out was the Tesla Model X. As such, we've decided to compare on paper the Mercedes-Benz EQC 400, the Jaguar I-Pace S and the Tesla Model X 75D: All three are dual-motor EVs, though the Tesla is the longest and tallest. The EQC has the most power, but it and the Model X's 4.9-second 0-60 times fall short of the I-Pace. It also has the lowest top speed and electric driving range. (Mercedes sent us an updated range figure, but it's using the generous and largely outdated NEDC cycle; we're still waiting on an EPA rating.) We'll be interested to see how much the Mercedes weighs. Mercedes hasn't divulged the price of the EQC yet, but we imagine it'll fall pretty near to the $70,000 mark. As for Audi, we'll revisit this comparison after those details are made available on September 17. If you're interested in some other EV comparisons, we have a couple others that we published to compare the I-Pace to premium Teslas, as well as against other less-expensive EVs. If you want to learn more about these EVs, and compare them with other cars, be sure to check out our Car Finder and comparison tools. Related Video: Featured Gallery Mercedes-Benz EQC 400 EV Crossover View 28 Photos Green Jaguar Mercedes-Benz Tesla Crossover SUV Electric Luxury Comparison jaguar i-pace mercedes-benz eqc