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Buick introduced its Business MPV concept at the Shanghai Auto Show yesterday. Developed in China, the Business MPV is a collaboration between General Motors and Shanghai Automotive Industry Corporation, and features GM’s next-generation hybrid system.

The Business MPV brings business class to the road in a vehicle geared toward workaholics. The power central console, which can move up and down between the second and third rows, features a deployable tablet for writing or holding a laptop computer. The second row seats swivel 225 degrees, making it easier for passengers to hold meetings within the vehicle.

View the Buick Business MPV in the gallery above, or scroll down for the press release.

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We’ve already seen the Porsche Panamera testing on (and off) the road for months. Yesterday, it finally made its public debut at the Shanghai Auto Show.

The four-door Porsche will hit the German market on September 12, and will be available in 400 horsepower rear-wheel drive and 500 horsepower all-wheel drive versions. A six cylinder model will come later, with available gasoline and hybrid powerplants.

Click through the gallery above, or read the press release below.

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Stile Bertone unveiled the Mantide at the Shanghai Auto Show yesterday. Jason Castriota designed the Mantide, based on the Corvette ZR1, under the moniker “Project M.”

Lighter than the ZR1, the Mantide employs carbon fiber and greater aerodynamics to improve upon the Corvette’s performance. It has a top speed of 217 miles per hour, and hits 62 mph in what the press release aptly calls a “staggering” 3.2 seconds. Because of it’s aerospace-inspired design, as well as fine tuning in a wind tunnel, the Mantide also provides better fuel efficiency that the ZR1.

Click through the gallery above or scroll down for the press release.

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Mercedes-Benz launched the S400 Hybrid and S600 versions of the 2010 S-Class at the New York Auto Show earlier this month, but we now have the official details about the "turned up to eleven" S63 and S65 AMG. No drastic power numbers have been tweaked -- the S63's 6.2-liter V-8 cranks out 525 horsepower and 465 pound-feet of torque, and the S65's twin-turbo V-12 boasts 612 horsepower and 738 pound-feet. Additionally, the engines have been slightly tweaked to improve fuel economy, though we're sure that Green-minded car buyers aren't exactly looking for anything with an AMG badge.

To the eye, it's clear to see that the AMG S-Class receives visual updates like LED running lights, LED taillights, and a redesigned rear bumper. And as expected, the cabin features an array of highly luxurious and tech-friendly goodies, similar to those on the rest of the S-Class range. Prices will remain roughly unchanged, with the S63 coming in around $130,000 and the S65 commanding just south of $200k.

Click through the post for the full press release.