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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.

'84 MotorWeek Cherokee, Bronco and Blazer comparison indulges your SUV nostalgia

These days, truck-based, full-frame SUVs are somewhat of a rarity on the auto landscape due to the rapid rise in popularity of easier-driving, car-based crossovers. Although, without the gradually building popularity of these chunky, high-riding vehicles decades ago, it's unlikely that America's roads would be filled with so many CUVs today. In its latest dig into the archives, MotorWeek has found a 1984 comparison test of a trio of these early Sport Utility Wagons, as long-time host John Davis called them, that helped get acceptance of this segment going. This is a red, white and blue test of the SUVs from American automakers at the time and pits the Chevrolet Blazer, Ford Bronco and Jeep Cherokee (specifically in Wagoneer guise) against each other. Driving manners and interior usability are considered in the evaluation, but Motorweek actually takes these vehicles off road, too. Among the bigger revelations is the improvement in on-road ability in the past 30 years. While specific 0-60 times aren't given, all three models take around 10 seconds just to get to around 50 miles per hour in the 500-feet on-ramp acceleration test. Check out this clip to see just how far this segment has progressed in the past three decades or just get a blast of nostalgia from these now vintage models. News Source: MotorWeek via YouTube Chevrolet Ford Jeep SUV Off-Road Vehicles Classics Videos Ford Bronco chevy blazer

Dongfeng and PSA extend Chinese joint venture

BEIJING/PARIS — China's Dongfeng and Peugeot maker PSA are extending their business cooperation, despite the Chinese company reducing its stake in PSA to help smooth the French carmaker's merger with Fiat Chrysler Automobiles (FCA). Dongfeng said on Thursday it had agreed with PSA to extend the duration of their joint venture Dongfeng Peugeot Citroen Automobiles (DPCA). Under the deal, the venture could get the rights to PSA's new brands in China and will benefit from new technologies and intellectual properties, the Chinese company said. PSA was not immediately available for comment. The announcement comes a day after the companies said Dongfeng would reduce its 12.2% stake in PSA by selling 30.7 million shares to the French company. Analysts said the move could smooth U.S. regulatory approval for PSA's roughly $50 billion (GBP38.97 billion) merger with Italian-American carmaker FCA. The sale of Dongfeng's shares in PSA, worth around 680 million euros ($757 million), will leave the Chinese group holding around 4.5% of the merged PSA-FCA, which is set to become the world's fourth-biggest carmaker by sales volumes. "As the cooperation between Dongfeng and PSA deepens, we expect the joint venture to continue making good progress in China," a Dongfeng representative said. On a conference call, Dongfeng said DPCA would have exclusive rights to PSA's Opel cars should the partners agree to bring the brand to China, and enjoy lower prices on car parts imported from PSA. Earlier this year, a document seen by Reuters showed Dongfeng and PSA plan to cut jobs at Wuhan-based DPCA and reduce its number of car plants to try to make the venture more profitable. Chrysler Dodge Fiat Jeep RAM Citroen Peugeot China FCA PSA Dongfeng