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Watch the Dodge Charger SRT Hellcat verify its 204-mph top speed

The industry is producing some ridiculously fast four-doors these days, from the Porsche Panamera and Maserati Quattroporte to the Mercedes E63 AMG and BMW M5. But the fastest of them all doesn't cost six figures. It doesn't even come from Europe. It's made right here in North America, by a US automaker. And it starts at under $64k. We're talking about the Dodge Charger SRT Hellcat, the Pentastar muscle sedan with the 6.2-liter supercharged V8 and its 707 horsepower. Dodge claims it's the "quickest, fastest, most powerful [production] sedan ever," and they're not just blowing smoke... or smoking tires. During the final stages of development, engineers from Auburn Hills took a bone-stock, Hellcat-powered Charger out to a seven-mile oval for a top speed run and they filmed the occasion for posterity. The result? 206.9 miles per hour with the wind, 202.2 against it, for a two-way average top speed of 204.55 mph. Chew on that, imports.

One-of-four carbon fiber-bodied Dodge Challenger Demon listed for sale

Exclusivity often comes at a high price; in this case, it's $169,995. That's how much Texas exotic car dealer BJ Motors is asking for one of the four carbon fiber-bodied Dodge Challenger Demons built by Speedkore. Many enthusiasts would balk at the idea of spending Audi R8 money on a Demon, but this example isn't your average Challenger. Unveiled at the 2017 SEMA show, and upgraded with 1,400 horsepower the following year, the model ditches the standard coupe's metal body panels for carbon fiber parts to lose about 200 pounds. The example offered for sale has six miles on the odometer so odds are no one has verified its quarter-mile time. The dealer noted the Demon in its inventory is the fourth and final carbon fiber-bodied example built. It's fitted with the stock engine, meaning power comes from a supercharged, 6.2-liter V8 engine that delivers 840 horsepower and 770 pound-feet of torque when burning 100-octane race gas, or 808 horsepower and 717 pound-feet of torque when slurping pump gas. It pops a 2.9-foot wheelie as it screams to 60 mph in 2.3 seconds. The person who ordered this Demon new ticked nearly every box on the list of options. It's equipped with heated and cooled front seats, an 18-speaker sound system, plus two-tone leather and Alcantara upholstery. However, as AllPar pointed out, the dealer makes no mention of the Demon Crate, which included skinny front tires, a block-off plate for the passenger-side door mirror, and a conical air filter, among other go-fast goodies. While spending $170,000 on a Dodge Challenger sounds utterly insane, we wouldn't be surprised if this rare example in like-new condition finds a new home quicker than the Demon goes down a drag strip. Dodge made 3,300 units and stock, metal-bodied examples with delivery mileage sold for an average of $143,000 in 2018, according to Hagerty. AllPar learned Speedkore charged $90,000 for the carbon fiber conversion. The equation tilts in favor of the buyer, which suggests the car's next owner may be more of an investor than an enthusiast. If you're more into classics, Speedkore also gave a 1970 Charger the carbon fiber treatment and rounded out the modifications with a 996-horsepower Demon crate engine. Alternatively, if you have a family to haul, the company made a carbon fiber-bodied Charger with 1,525 horsepower at the crank when running 26 pounds of boost. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences.

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).