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GM starting to talk seriously about 200-mile EV

We've been hearing word of a 200-mile EV from Chevrolet for a while now. First, there was General Motors then-CEO Dan Akerson hinting at a $30,000, 200-mile EV that would take the competition by surprise. Then Akerson confirmed that GM is working on a 200-mile EV in a speech in March. LG Chem, which supplies batteries to GM and other automakers, recently said it was working on batteries for EVs with a range of 200 miles. GM's head of global product development Mark Reuss just re-confirmed that there are plans for an EV with a 200-mile range, and sources have told Automotive News what that car will be. While Reuss didn't mention anything about a specific model or platform, two undisclosed sources with knowledge of GM's plans have said that an EV with a range of about 200 miles is indeed in the works, and that it will be based on the Chevrolet Sonic. The sources also gave a timeline for the car, saying it is slated for sometime in 2017. According to Reuss, the plan is for Chevy to offer a lineup of electric cars, with the 200-mile EV joining ranks of the Chevrolet Volt and the Spark EV. He didn't hint at a timeline, but if the sources are correct, we could see a Sonic EV being built within a few years. Reuss sees demand for it, too. When speaking of the Spark EV, currently only available in California and Oregon, he says that "people wish we would sell it all around the country." If he's right about that, it's not difficult to imagine people taking interest in Chevrolet's 200-mile electric car, whether or not it's a Sonic.

Fullsize GM SUVs have a problem that's making owners sick

Some fullsize SUV owners are getting sick, thanks to a buffeting and vibration problem in 2015 model year examples of the Chevy Tahoe and Suburban, Cadillac Escalade, and GMC Yukon. According to owners' complaints to the National Highway Traffic Safety Administration, the issue can vary from an annoying vibration inside the cabin to an experience so severe that it leads to dizziness and headaches. General Motors is aware of the complaints, but the fix isn't so simple. According to spokesperson Tom Wilkinson to Autoblog, the company "has been tracking this issue for a while." The problem has a fairly low incidence rate, but when it does occur the issue can be "uncomfortable and annoying for owners." There's no precise cause for the issue, Wilkinson claims, and in some cases, simply balancing the tires or changing the door seals can make it go away. However, not all of the fixes are so simple. AutoGuide dug deep into the problem and discovered a GM preliminary information bulletin that advised dealers to remove the headliner and to check the roof's bonds to the bows that go across the vehicle. However, that document included a note that the solution might not entirely eliminate things. According to AutoGuide, adding Dynamat insulation to the roof sometimes helped the problem. A GM spokesperson also told AutoGuide the company fixed the problem at the end of the 2015 model year, and didn't go into any more detail. This roof issue seems linked to some of the worst droning in these SUVs. According to one complaint from a 2015 Suburban owner to NHTSA: "Roof will not remain attached to the roof bows. This causes the buffeting similar to a window being down when all are up. The results span from annoying to painful." A 2015 Yukon owner claims to have another alleged cause for the problem in a NHTSA complaint from February 2015. This person brought their SUV to the dealer seven times over the course of four weeks for vibrations. The dealer replaced the driveshaft, suspension components, and more, but nothing worked. According to an engineer to the service adviser: "In an effort to prevent roll overs, they designed the frame and body mounts too stiff. There are 40 engineers working on issues, they have no solutions that work across the board." Wilkinson told Autoblog that GM is working with customers on an individual basis to rectify things. Since these are newer vehicles, dealers should also fix the problem under warranty.

First privately owned Corvette Stingray blitzes 1/4 mile in 12.23 at 114.88 mph

Chevrolet's latest road rocket, the Corvette Stingray, is a very quick car. If one needs further proof of that, we recommend they take a look at this video from Hennessey of what is claimed to be the first privately owned C7 Corvette to make a pass down the quarter mile. Not just any quarter mile, mind, this black C7 blitzed its way down the tuner's primary testing dragstrip. The Chevrolet ran the quarter in just 12.23 seconds at 114.88 miles per hour. That is a very quick time for a stock car.
Equipped with the Z51 package and a six-speed automatic transmission, not only does the C7 run a solid time, but it does so with little to no drama. That won't last though, as Hennessey will likely return it to its owner with far more power - we just hope they show a drag run of the completed product. Take a look below to watch the C7's 12.23-second run on video.