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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

2018 Buick Enclave launches luxury Avenir trim

Remember the shapely Buick Avenir Concept from the 2015 Detroit Auto Show? Well, this isn't that, even if they both share the same name. Meet the Buick Enclave Avenir, a new trim built atop Buick's redesigned 2018 Enclave seven-passenger crossover. Think of it as Buick's version of GMC's Denali trim and you'll be on the right track. As the brand's new top trim level, everything that's normally optional in the Enclave comes standard in the Avenir, along with a bunch of exclusive content. And this is just the first application of the Avenir package for Buick – expect the rest of the TriShield brand's products to get a similar makeover in due time. All Avenir models from Buick will get what the brand is calling a three-dimensional mesh grille with a new set of chrome wings. From there, the Enclave edition bundles unique pearl nickel 20-inch wheels, a Rear Camera Mirror like the one seen from Cadillac, and a new kind of LED headlamps that use something called Evonik Acrylite lighting technology. An in-car air ionizer promises to keep the cabin smelling fresh. The rest of the Enclave package sounds pretty good, too. It's got a standard 3.6-liter V6 engine with 302 horsepower and 260 pound-feet of torque, mated to a nine-speed automatic transmission. Front-wheel drive is standard, and all-wheel drive is optional. A tow rating of 5,000 pounds is standard fare for this class, as are seven seats inside. A frameless eight-inch LCD screen and integrated 4G wireless connectivity are other family-friendly highlights. We expect more Avenir-branded models to make their appearance in the Buick showroom soon. In the meantime, check out the Enclave Avenir in the image gallery above, and stay tuned for more from New York. Related Video:

Buick teases the next-gen LaCrosse

Buick continues to play coy about the next-generation LaCrosse, but the latest teaser hints at a swoopy profile for the upcoming sedan. While mostly just a silhouette, the teaser does provide a glimpse of the flowing roof and upward crease around the rear fenders – especially handsome touches. The rest of the LaCrosse remains a mystery. The only other part that we've seen is the Avenir-inspired grille, which features a more angular surround and chrome wings jutting from emblem in the center. Styling aside, the brand claims that the sedan is now more engaging behind the wheel thanks to a stronger, lighter chassis and five-link rear suspension. Powertrain rumors are rather vague but suggest the 3.6-liter V6 will be available when the model arrives at dealers in 2016. One thing we know for certain about the LaCrosse is that it debuts at the Los Angeles Auto Show in November. That only leaves a few more weeks for Buick to keep this mystery going. Related Video: