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2015 Dodge Challenger SRT Hellcat has 707 glorious horsepower [w/video]

Hold onto your butts. "600-plus horsepower" is what we were told to expect from the 2015 Dodge Challenger SRT with its 6.2-liter supercharged Hellcat V8 engine. But as we've just learned, those were incredibly conservative numbers. Dodge has officially announced that the range-topping Challenger will hit the asphalt with 707 - seven hundred and seven - horsepower, making it the "most powerful muscle car ever."
Of course, 707 hp is only part of the story, as the Hellcat has also been confirmed to produce 650 pound-feet of torque. All that power will run exclusively to the rear wheels through an eight-speed automatic transmission that differs from other Challengers. The new gearbox, 8HP90 (rather than the 8HP70) is "upgraded to handle the extra power and torque," says Dan Reid, SRT's manager of product design and motorsports.
We certainly hope you're prepared to spend a ton of money replacing tires.

For his last act, Marchionne will outline an EV/hybrid roadmap this week

MILAN/LONDON — Fiat Chrysler (FCA) boss Sergio Marchionne is expected to outline new plans for electric and hybrid cars in a strategy presentation on Friday, aiming to ensure the world's seventh-largest carmaker remains in the race in the absence of a merger. The 65-year-old will present FCA's strategy to 2022, his final contribution to the company he turned around and multiplied in value through 14 years of canny dealmaking. After failing to secure a tie-up he said was necessary to manage the costs of producing cleaner vehicles, Marchionne needs to show the group can keep churning out profits on its own, even as emissions rules tighten, SUV competition intensifies and worries around his succession abound. Marchionne had long refused to jump on the electrification bandwagon, saying he would only do so if selling battery-powered cars could be done at a profit. He even urged customers not to buy FCA's Fiat 500e, its only battery-powered model, because he was losing money on each sold. But Tesla's success and the need to comply with tougher emissions rules have forced Marchionne to commit to what he calls "most painful" spending. "FCA is way behind rivals in terms of hybrid and electric vehicles and they need to hit the accelerator to convince investors they can close that gap," said Andrea Pastorelli, a fund manager at 8a+ Investimenti. Germany's Volkswagen, Daimler, BMW and U.S. rivals GM and Ford have committed to spending billions of euros each in coming years to try produce profitable cars powered by cleaner fuels. FCA needs to present a clear roadmap, just like Volvo Cars, which ditched diesel from its best-selling XC60 SUV, launched a new electric brand and pledged to shift all brands to hybrid by 2019, a banking source close to FCA said, noting: "The tech divide determines winners and losers in the industry." Marchionne has already said half of the wider FCA fleet will incorporate some elements of electrification by 2022, while luxury marque Maserati will spearhead FCA's electrification drive by making all new models due after 2019 electric. But its plans remain vaguer and less advanced than most big rivals and some investors wonder about the capital required to make vehicles compliant, and what share of spending can go to electrification given FCA's numerous demands.

Hellcat no help to Fiat-Chrysler's bottom-of-the-pile mpg average

What, you expected the "fastest muscle car ever" to help fleetwide fuel economy? Nope, don't think that's going to happen. That means Fiat Chrysler will likely to continue to languish at the bottom of the heap when it comes to fleetwide fuel economy among the largest automakers serving the US, especially as the automaker starts to sell its Dodge Challenger SRT Hellcat. A few hundred Fiat 500E electric vehicles aren't going to turn the trend around. See, Chrysler has once again finished at the bottom of the list when it came to fleetwide fuel economy among automakers for 2014 model-year vehicles, according to a preliminary study by the US Environmental Protection Agency. Chrysler and Fiat had an average of 21.1 miles per gallon. That substantially lagged the overall 24.2 mpg average, but it was an increase from the company's 20.9 mpg average last year and the 20.1 mpg average two years prior. For 2014, General Motors had the second-worst fleetwide fuel economy at an even 22 mpg. Fiat Chrysler does say it's working on improving its fuel economy, according to Automotive News. The company plans on making its inline-four-cylinder and V6 engines smaller, and will sell more vehicles with eight- and nine-speed transmissions. Heck, there's even a plug-in hybrid version of the Chrysler Town & Country minivan in the works for late 2015, and the company can tout fuel-efficiency gains with the Chrysler 200 and Jeep Cherokee. We would be remiss if we didn't note that, compared to its muscle-car forefathers, the Hellcat actually performs pretty well at the pump. Last month, word got out that the 2015 Challenger Hellcat, equipped either with a six-speed manual or an eight-speed automatic transmission, got a combined fuel economy of 16 mpg. Heck, the automatic-tranny version got 22 mpg on the highway. And that's for a car with 707 horsepower and a 10-second quarter-mile time. Still, with the pedal floored, the car can burn a gallon and a half of fuel per minute. Ouch.