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GM's MPG overstatement could affect 2 million vehicles

Late last week, GM admitted that three of its large SUVs fuel economy window stickers did not match their actual efficiency ratings, and so the vehicles couldn't be sold. The stickers on the 2016 Chevy Traverse, GMC Acadia, and Buick Enclave said their ratings were one to two miles per gallon better than they should have been. Officially, the number of affected vehicles sits at about 60,000. But Consumer Reports makes a good point: what's up with all of the previous model year SUVs that are basically the same vehicle? To wit: the 2016 model year vehicles are not substantially different than the 2015 or the 2014, or even going all the way back to 2007. On the EPA's fuel economy website, all of these older models will "have better stated fuel economy numbers than the new vehicles in GM's dealerships," Consumer Reports noted. CR's best point, and the one that makes the 60,000 number potentially grow to 2 million if all of the vehicles built on this platform are affected, is that "[i]t seems unlikely that the company would change the powertrain on these carryover models so late in their model cycles in a way that would cause a dramatic, negative impact on fuel economy." GM says that earlier model year SUVs are not affected and the EPA did not respond to CR's question about the potential for more discrepancies. We've seen automakers reverse course before, so if GM has to come out with a mea culpa soon, don't be surprised. GM is rushing corrected stickers to dealers so that the SUVs can be sold again, but a fix for the already-sold vehicles could be trickier to solve. Related Video: Related Gallery 2013 GMC Acadia View 16 Photos News Source: Consumer Reports Government/Legal Green Buick Chevrolet GMC Fuel Efficiency mpg gmc acadia chevy traverse

Buick reveals new Verano in Shanghai

The lion's share of the new vehicles being showcased at the Shanghai Motor Show this week may never make their way to US showrooms. But Americans will surely want to note the unveiling of the all-new Buick Verano. The current compact sedan in the Buick lineup arrived in 2011, and is now preparing to enter its second generation with the model you see here. Details are the only element more scarce than photos (GM has released one thus far), but we can see that the new Verano adopts more dynamic styling than the model it replaces. The design borrows elements from the Riviera and Avenir concepts, with a more steeply raked windshield and rear glass said to give the new Verano a more elongated look (and lower drag coefficient) than its compact footprint would dictate. Up front you'll see Buick's signature waterfall grille, flanked by HID xenon headlights with LED daytime running lights and taillamps. Motivation comes courtesy of a 1.5-liter turbocharged Ecotec four, driving 166 horsepower and 184 pound-feet of torque through a new seven-speed dual-clutch transmission. The 17-inch wheels are shod with Continental rubber. Just how many of these specifications will remain relevant when the new Verano reaches Buick dealers on this side of the Pacific remains to be seen, but for now you can delve into the full press release below. Related Video: Buick Verano Debuts at Shanghai GM Gala Night New-generation sports sedan offers stylish exterior, class-leading fuel efficiency and precise handling SHANGHAI – Buick's new-generation sports sedan, the Verano, made its debut this evening at Shanghai GM Gala Night. It will be appearing on Shanghai GM's stand at Auto Shanghai 2015, which starts tomorrow. The brand's latest entry in the mid-range passenger car segment has a stylish exterior, class-leading fuel efficiency and precise handling. The Verano is targeted at individuals who value a personal and dynamic driving experience. Design inspired by Buick Riviera and Avenir concept cars The Verano was inspired by the new Buick Riviera concept car, which premiered in 2013, and captures the design essence of the Buick Avenir concept car, which debuted at this year's North American International Auto Show in Detroit. It represents an innovative interpretation of Buick's classic styling while exemplifying the elegance and dynamism of Buick's new-generation products.

GM recalling 316k vehicles due to headlamp faults

General Motors has announced a recall covering 316,357 vehicles globally, due to the possibility of sporadic or permanent failure of the low-beam headlamps. 273,182 of these vehicles are in the United States, while the remaining affected units are in Canada, Mexico, and elsewhere. This recall includes the 2006-09 Buick LaCrosse (pictured above), 2006-07 Chevy TrailBlazer and TrailBlazer EXT, 2006-07 GMC Envoy and 2006 GMC Envoy XL, 2006-07 Buick Rainier, 2006-08 Saab 9-7X, and 2006-08 Isuzu Ascender. In an email sent to Autoblog, General Motors explains that if the headlamp driver modules are not functioning correctly, "the low-beam headlamps and daytime running lamps could intermittently or permanently fail to illuminate." GM states that this problem does not affect things like high-beams, turn signals, marker lamps, or foglamps. As of this writing, GM states it "has not been able to confirm whether the HDMs in these vehicles caused any vehicle accidents." The National Highway Traffic Safety Administration has been notified, but the recall has not yet posted to the government agency's website. Scroll down to read the full details in GM's email. General Motors is recalling 273,182 Buick LaCrosse sedans and Chevrolet, GMC, Buick, Saab and Isuzu midsize SUVs in the U.S. for possible intermittent or permanent loss of low beam headlamps. Affected models are: 2006-2009 Buick LaCrosse sedans; 2006-2007 Chevrolet TrailBlazer and 2006 TrailBlazer EXT; 2006-2007 GMC Envoy and 2006 Envoy XL; 2006-2007 Buick Rainier; 2006-2008 Saab 9-7X and 2006-2008 Isuzu Ascender midsize SUVs. If the headlamp driver modules is not operating correctly, the low-beam headlamps and daytime running lamps could intermittently or permanently fail to illuminate. This condition does not affect the high-beam headlamps, marker lamps, turn signals, or fog lamps. GM has not been able to confirm whether the HDMs in these vehicles caused any vehicle accidents. The total population, including the U.S., Canada, Mexico and exports from North America is 316,357. The NHTSA was sent the Part 573 information for this recall on November 25. It has not yet posted to the NHTSA website. Featured Gallery 2008 Buick LaCrosse CXS News Source: General Motors Recalls Buick Chevrolet GM GMC Isuzu Saab SUV Sedan chevy trailblazer buick rainier isuzu ascender