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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).

Bugatti has no plans for a 1,500-hp Chiron roadster

Automakers seem to create variations of variations of variations. That's how we end up with vehicles like the BMW M6 Gran Coupe, which is totally not a slightly worked over M5 with a wider body. Many manufacturers seem to have taken Field of Dreams to heart, so it comes as a bit of a surprise that Bugatti said there will be no roadster version of the upcoming 1,500-horsepower Chiron. Speaking to Autocar, Bugatti board member Dr. Stefan Brungs said that the Veyron successor would only come as a coupe. That's a change of pace from the Veyron, which came in open-top Grand Sport and Grand Sport Vitesse versions. All in all, Bugatti sold a total of 450 Veyrons over a ten-year lifespan, a third of which were targa-roofed Grand Sports. Dr. Brungs didn't rule out more-powerful future variations of the Chiron, though the company is focused on selling the current 500-car allotment. The Chiron's 1,500 hp are supplied by an 8.0-liter, quad-turbocharged, mid-mounted W16. That engine is a heavily updated version of the 1,300-hp W16 from the record-setting Veyron Grand Sport. That car holds the ill-defined title of the world's fastest production car, something Bugatti itself hopes to top with the Chiron in 2018. The Chiron goes on sale soon with a base price of $2.6 million, though options could easily push it over $3 million. Other hypercars, like the Ferrari LaFerrari, are coming out with open-top editions. The Porsche 918 only comes with a removable targa top. Despite the comments from Dr. Brungs, Bugatti is in the business of making money, so expect the company to seriously consider changing its mind. Related Video:

Bugatti walks us through the Chiron Pur Sport's testing process

Bugatti is emerging from weeks of lockdown loudly, and sometimes sideways. Its engineers have started testing the Chiron Pur Sport unveiled in March 2020 on the Blister Berg track nestled in Germany's Teutoberg forest. Blister Berg is a private track, so the team only has three days to fine-tune the Pur Sport's chassis, steering, suspension, and gearbox — the latter isn't the same unit that's found in the Chiron because its gear ratios are shorter in order to deliver quicker acceleration. Engineers are also monitoring wear-and-tear items, like the tires, and keeping an eye on the model-specific engine components. That's a lot to cram into three days, especially since Bugatti had to reduce the size of the team it sent to the track in order to comply with the social-distancing measures that remain in effect throughout much of the world. Germany's dense, fairytale-like forest is no exception. Luckily, sensors aren't affected by health-related restrictions, and there's no limit to the number Bugatti can stuff into the two pre-production prototypes tirelessly lapping the Blister Berg track. They're monitoring a variety of parameters, including the exhaust temperature. They're also helping engineers set up the new Sport+ driving mode that relies on gyro-based technology to make the Chiron more eager to drift. Creating this profile requires a tremendous amount of calibration work. Testers download data after each run, analyze it, and make changes if needed. Bugatti told Autoblog the Chiron can already drift, but the new mode makes it a little bit easier. Bugatti Chiron Pur Sport testing View 14 Photos Going through this costly, time-consuming process is a way for the firm to demonstrate that its definition of performance doesn't end at straight-line speed. It wants to show a lesser-known side of its personality. "Bugatti has always proven it can build fast cars in terms of top speed," the company told Autoblog, pointing to cars like the Chiron Super Sport 300+. "However, we also have a history of building cars devoted to agility. This is often forgotten or overshadowed by the incredible top speed feats. We, as did some of our valued customers we talked to about this, felt we should complete the spectrum of performance of the Chiron lineup." Validation testing will continue in the coming months; Bugatti will notably take the Pur Sport to the Nurburgring.