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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

IIHS gives good ratings to 4 of 8 midsize pickups in crash test

Versions of the Toyota Tacoma, Chevrolet Colorado and GMC Canyon Crew Cab earned top ratings in a new crash test of midsize pickup trucks from the Insurance Institute for Highway Safety, while two versions of the Nissan Frontier earned marginal ratings. But the organization gave poor marks to all eight pickups tested for their dim headlights. Overall, four of the eight pickups evaluated earned good ratings for protecting occupants in all five crash test categories — the Tacoma double cab along with crew cab versions of the Colorado, Canyon and Tacoma. But the poor headlights and lack of an automatic emergency braking system blocked any of the pickups from qualifying for the IIHS's Top Safety Pick awards. The study looked at two pickup body styles using 2017 models: crew cabs, which have four full doors and two full rows of seating, and extended cabs, which have two full front doors, two smaller rear doors and compact second-row seats. It subjected each to five tests, and it evaluated the performance of front crash prevention systems and headlights. The Toyota Tacoma crew cab was the only pickup in that class that earned a good rating for structure in the small overlap test, which replicates what happens when a vehicle clips a tree, pole or another vehicle that has crossed the center line. The model's Access Cab extended-cab version was rated similarly, though its structure was rated acceptable. "This group of small pickups performed better in the small overlap front test than many of their larger pickup cousins," says David Zuby, the Institute's executive vice president and chief research officer. "The exception was the Nissan Frontier, which hasn't had a structural redesign since the 2005 model year." The extended-cab versions of the Chevy Colorado and GMC Canyon earned acceptable ratings, while both the Nissan Frontier king-cab and crew-cab models were rated marginal. Toyota says its 2018 Tacoma will feature upgraded headlights and a standard autobraking system that can detect pedestrians. "Headlights are basic but vital safety equipment. Drivers shouldn't have to give up the ability to see the road at night when they choose a small pickup," Zuby said. Related Video: Auto News Chevrolet GMC Nissan Toyota Safety Truck Videos gmc canyon nissan frontier chevrolet colorado

2020 GMC Sierra Heavy Duty teased, and you better believe there's a huge grille

Chevrolet has shown us a few photos of its redesigned Silverado Heavy Duty, and today we score our first teaser of the GMC Sierra version of this truck. The most controversial feature of the Silverado HD has to be its massive grille, and the Sierra appears to be no different. Just from this photo of the face, we can already tell it's going to be as bold, some might say gaudy, as the Chevy. We'll have to wait awhile to see it all, though, as GM says the Sierra HD will be making its debut in the second half of 2019. It's no Supra teaser campaign, but this one is already starting out pretty early for a work pickup truck. As far as features and technical details go, mum is the word for now. However, we can assume the Sierra will be nearly identical with the Silverado HD powertrain-wise. We know two engines will be offered on that truck, one being a gasoline V8 and the other a Duramax turbodiesel V8 — the former will be mated to a six-speed automatic, while the latter gets the 10-speed auto. Even though it isn't out yet, the torque figure is already less than the Ram and Ford heavy duty trucks at 910 pound-feet from the diesel. The Ram Heavy Duty just revealed at the Detroit Auto Show scores a whopping 1,000 pound-feet of twist in the torque department. We'll know more about the Sierra HD when the Silverado HD presumably gets revealed with full details at the 2019 Chicago Auto Show at the beginning of February. One thing's for sure: If you want chrome and lots of it, you're gonna get it with the 2020 GMC Sierra HD. 2020 Chevy Silverado HD View 5 Photos Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.