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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).

Dodge Demon's A/C helps its supercharged Hemi make more power

Staying cool is one important key to performance. Simply, more air means more power, and cool, dense air is better than hot air. While forced induction might help make copious amounts of horsepower, turbos and superchargers produce heat. Intercoolers help, but the new Dodge Demon and its supercharged Hemi need a bit of an extra boost. In Drag Mode, the Demon's engine commandeers the car's air conditioning system to help chill things out. The Demon will have the first production application of a liquid-to-air charge air cooler chiller system. Literally, the car's air conditioning system is used to cool the air going into the engine, dropping temps by up to 45 degrees Fahrenheit. Dodge claims the system helps achieve "temperatures previously unattainable by pressure-charged street-legal production vehicles." As cool as this may sound, the technology isn't new. Ford had a prototype system in the early 2000s called SuperCooler, though that system never made it to production. While the Demon's system doesn't have a super cool name like the one from Ford, the pair essentially work in the same way. In theory, it should have the same effect as a bottle of nitrous. According to Autoweek, Ford's system bumped up the output of the F-150 Lightning by about 50 horsepower. Turns out that air conditioning isn't always a huge power suck. Related Video:

Some dealers asking $100,000-plus for Daytona-edition Dodge Charger SRT Hellcats

If you thought the name of the 2020 Dodge Charger SRT Hellcat Widebody Daytona 50th Anniversary Edition was a lot to swallow, then you're definitely going to choke on what some dealers are asking for the privilege of owning one. The $4,495 package is commanding as much as $25,000 in "market adjustments" from stores looking to capitalize on the rarity of this extremely limited-edition model.  The folks over at Moparinsiders.com reported Friday that some dealers are asking Demon-level prices for their limited allocations of the commemorative package. Their assessment? Not worth it. We're inclined to agree.  The Daytona 50th Anniversary Edition package is, fundamentally at least, little more than a set of stickers, a dash plaque and a tiny bump in horsepower. What you really get for your money is exclusivity. Only 501 were built (to commemorate the number of production units required to homologate the original Charger Daytona for NASCAR racing); just 451 went to U.S. dealers. The other 50 were reserved for Canada.  To be fair, no variant of the 2020 Charger SRT Hellcat Widebody even approaches the definition of "inexpensive." Just to get behind the wheel of the newest edition to the Charger lineup will set you back at least $71,000. The Widebody package is more than just a set of custom fenders. The Hellcat also gets another 1.6 inches of track width and some extra rubber on the road. SRT engineers also increased the Hellcat’s front spring rate by 32% and beefed up its sway bars (from 19 mm to 21.7 mm in the front and from 32 mm to 34 mm in the rear). The adaptive suspension was firmed up a little bit across the board too for crisper response over road imperfections. Plus, you know, there's that 707-horsepower, supercharged, 6.2-liter engine. The Daytona gets an extra 10 ponies, right? Well, sort of, anyway. SRT rated its output at a slightly higher engine speed. Between us, it's the same thing.  So, there's a silver lining: You don't have to spend $100,000 for a 2020 Charger Widebody Hellcat if you don't want to, but somebody probably will.  Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.