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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

Which of these high-powered pickup classics would you choose?

High-performance pickups would appear to be having a moment on the auction site Bring a Trailer, with two tempting examples up for auction right now: a 1971 Ford Ranchero GT and a 1991 GMC Syclone. These trucks are a generation apart, but they each represent the peak muscle truck of their time. The Ranchero, of course, was Ford's car-based pickup, and Ford took advantage of its Torino roots by offering the same ultra-high-performance 429 Cobra Jet V8 in the Ranchero as it did in the Torino-branded coupes and convertibles. The 429 V8 in this truck is said to be numbers-matching, and it looks the business topped with an air scoop poking through the hood. It's paired with a three-speed automatic and a limited slip differential, reportedly one of only 82 1971-model Rancheros with this powertrain combo. As a Ranchero GT, this example sports hidden headlights, and the dual sport mirrors and vinyl top further establish its kinship with its passenger-car siblings. A set of factory Magnum 500 wheels and a respray in the original red add to the muscle-truck vibe. Two decades later, car-based pickups were dead, so when GMC decided to revive the muscle-truck genre it did so with the mid-size Sonoma. The resulting Syclone put a more modern spin on the fast-pickup idea (and on the spelling of "cyclone"). This hi-po hauler uses a 4.3-liter V6 topped with a Mitsubishi turbocharger that helped it make 280 horsepower. It's mated to a floor-shifted four-speed automatic and a Borg-Warner all-wheel-drive system with a 35/65 torque split. The Syclone was a one-year-only model, of which just under 3,000 were built. All were black with matching cloth seats with red accents. The only other '71 Ranchero to appear on BaT was a non-original GT with a 351ci V8 that was a no-sale at $7,900. This Ranchero is already nearly double that figure. Of the four previously Syclones that have crossed BaT's virtual auction block, two have sold, for $36,000 and $50,000, but both had lower miles than this truck. At this writing, these two trucks are neck-and-neck, both in the mid teens with both auctions set to end April 23. Which powerhouse pickup makes you want to put your money down? Featured Gallery Ford Ranchero and GMC Syclone Ford GMC Truck Classics

2023 GM full-size SUVs get Super Cruise expansion pack first

In August, GM announced it had doubled the size of the network of roads available to its Super Cruise hands-free driving feature. Joining the options list in 2017, Super Cruise had been limited to divided interstate highways in the U.S. and Canada. The expansion opened 200,000 miles of additional divided interstate highway as well as major, undivided highways. Both coasts benefit, but there will be a lot more relaxing motoring on the East Coast especially. North of the border, six of the 10 Canadian provinces add enabled roads. Problem is, no GM vehicles have been able to take advantage of the boon. That changes this month, the automaker saying four of its full-size SUVs in specific trims are first in line to make use of the expansion. The SUVs are: 2023 Chevrolet Tahoe Premier and High Country 2023 Chevrolet Suburban Premier and High Country 2023 Cadillac Escalade, Escalade ESV, and Escalade-V 2023 GMC Yukon Denali Ultimate  The vehicles need to have been built on or after October 3, 2022, a production timeline GM says should put the first examples in customer hands this month. The least expensive way to get into Super Cruise is with the two-wheel drive, $77,625 Chevrolet Tahoe Premier with the 3.0-liter inline-six Duramax diesel and the Advanced Technology Package. Vehicles that use the GM's Vehicle Intelligence Platform electrical architecture and already have Super Cruise will receive an over-the-air update "in the coming months" to access the new roads, at no cost to owners. Since other products like the Cadillac CT4 and CT5, Chevrolet Silverado, and GMC Sierra work with the VIP platform as well, they probably aren't far away from the extra capability and they'll bring a lower financial bar to entry.  Related video: