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SRT Viper dukes it out with Mercedes SLS Black Series in new Head 2 Head

In Episode 36 of Motor Trend's Head 2 Head, now that the Corvette ZR1 is no more, Jonny Lieberman has to look overseas to the Mercedes-Benz SLS AMG Black Series for a challenger with similar philosophy to the SRT Viper: long hood hiding a high-horsepower engine set way back, rear-wheel drive, tiny trunks. That puts the Viper's 8.4-liter V10 with 640 horsepower and 600 pound-feet of torque against the SLS AMG's 6.2-liter V8 with 622 hp and 468 lb-ft.
However, the congruences in philosophy and magnitude of numbers doesn't translate to the driving experiences of the two, which are literally and figuratively on different continents. Lieberman gets a handle on the two of them on Northern California roads, Randy Probst then finds out how, and how quickly, they can lap Laguna Seca.
They both get kudos for being improvements on their original sources, but only one of them can take the win. You can find out by watching the video below.

U.S. tariff threat hits European automakers' stocks

FRANKFURT, Germany — A U.S. warning that it may introduce tariffs on foreign auto imports hit shares in German carmakers BMW, Daimler and Volkswagen on Thursday, which together have a more than 90 percent share of North America's premium car market. Washington said on Wednesday it had launched an investigation into whether car and truck imports are a national security issue due to signs they had damaged the U.S. auto industry. That could lead to new U.S. tariffs — up to 25 percent — similar to those imposed on imported steel and aluminum in March. BMW and Daimler shares fell as much as 3.1 percent in early Thursday trading, while Volkswagen's dropped as much as 2.5 percent. "(U.S. President) Donald Trump is obviously not thinking about how to prevent a trade war. Import duties on cars would be a nightmare for the German auto industry and would lead to a massive sales impact," said Thomas Altmann at Frankfurt-based asset manager QC Partners. BMW on Thursday condemned the move to consider tariffs. "The BMW Group is committed to free trade worldwide. Barrier-free access to markets is therefore a key factor not only for our business model, but also for growth welfare and employment throughout the global economy," it said. Daimler, which makes Mercedes-Benz cars, and Volkswagen, which makes upmarket Audis and Porsches, were not immediately available for comment. German carmakers produced 804,000 cars at local factories in the United States and exported 657,000 German-made cars into North America last year, according to German auto industry association VDA. China took pains on Thursday to welcome German firms and investments, with Premier Li Keqiang talking up relations after a meeting with German Chancellor Angela Merkel. BMW and Mercedes have expanded production capacity in the United States, but BMW, Audi, Volkswagen and Daimler have also invested billions to build new factories in Mexico in the hope of selling locally produced cars into the United States. German carmakers hiked vehicle production in Mexico by 46 percent to 620,000 cars last year, while production levels inside the United States fell by 6 percent to 804,000 cars because of a shift to Mexico, according to the VDA. BMW has its biggest factory worldwide in Spartanburg, South Carolina, and is the largest vehicle exporter among all the carmakers in the United States measured by value of goods exported. More than 70 percent of BMW's U.S.-made cars are exported.

Autoblog Minute: Volvo, Mercedes, Google back autonomous tech

Self-driving cars could make our commutes a breeze but what happens when something goes wrong? Three industry leaders step up with an answer. Autoblog's Adam Morath reports on this edition of Autoblog Minute, with commentary from Pete Bigelow. Show full video transcript text [00:00:00] Self-driving cars could make our commutes a breeze but what happens when something goes wrong? Three industry leaders step up with an answer. I'm Adam Morath and this is your Autoblog Minute. Volvo, Mercedes and Google have all come forward to say that in the event of a systems failure of one of their autonomous vehicles, they would be willing to accept full liability. For more we go to Autoblog's Pete Bigelow: [00:00:30] - [00:01:00] [00:01:30] [Pete Bigelow Interview] With Volvo setting the precedent we'll see how the rest of the industry responds. For Autoblog, I'm Adam Morath. Autoblog Minute is a short-form video news series reporting on all things automotive. Each segment offers a quick and clear picture of what's happening in the automotive industry from the perspective of Autoblog's expert editorial staff, auto executives, and industry professionals.