2008 Jeep Wrangler X Sport Utility 2-door 3.8l on 2040-cars

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Watch this 650-hp Hennessey Jeep Grand Cherokee go from 0-60 in 3.9 seconds

Hennessey Performance Engineering has created an HPE650 package for the Jeep Grand Cherokee SRT fitted with the 6.4-liter Hemi engine. When it leaves the showroom floor it has 470 horsepower and gets from 0-60 miles per hour in 4.8 seconds. When it leaves Hennessey's garage floor after the upgrade it has 650 horsepower - 530 hp at the wheels, according to Hennessey - and gets to 60 mph in 3.9 seconds on its way to running the quarter-mile in 12.6 seconds.
There's more than just a Roots-type supercharger bolt-on, with ported cylinder heads and high-flow headers among the many changes made to the engine. You can watch this pre-2014 facelift silver model prove its spec sheet on the drag strip in the video below.

Fiat Chrysler target 850k sales in China by 2018

Behind the vanguard of numerous Jeep models, two Chryslers, a smattering of Fiats and Alfa Romeos and local production through a joint venture with Guangzhou Automotive Group (GAG), Fiat Chrysler wants to increase sales in China more than six-fold by 2018. The group sold 130,000 cars in China in 2013, the aim for 2018 being 850,000 cars.
Ultimately it's expected that the Jeep Grand Cherokee, Cherokee, Wrangler, Renegade, the coming Grand Wagoneer and a sub-Renegade-sized crossover will either be built in or exported to the People's Republic. The Chrysler Town & Country and 300 will join the export list in 2016 and 2018 respectively, according to a report in Automotive News.
With a number of those vehicles not in production or perhaps even envisaged yet, and others not due on the local market until 2018, it will be interesting to see how Fiat Chrysler plans to achieve the target in the specified timeframe. The joint venture with GAG builds two products now, the Dodge Dart-based Fiat Viaggio launched two years ago - supposedly designed just for China - and the just-launched Fiat Ottimo, a hatchback version of the Viaggio. Fiat projected 300,000 Viagio sales in its first two years, that number has been adjusted downward to 94,000 and there doesn't appear to be an analyst alive that sees a good future for Fiat in China's overrun mainstream market. Still, last year's 130,000 group sales in China is a huge jump from 2012 sales of 66,000 units, but less than half the 300,000 units it projected.

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).