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GM confirms 2015 Silverado, Sierra to get 8-speed automatic

When viewed alongside the next Ford F-150 and the Ram 1500, there is one thing that seems to be missing from the Chevrolet Silverado and GMC Sierra. Where the F-150 will rely on turbocharging and aluminum architecture and the Ram sports an eight-speed automatic and an air suspension, the General Motors twins lack a big, calling-card feature. They're very good, very refined trucks, but one could argue that they're not terribly innovative.
And while it might not be as flashy a feature as air suspension or a lightweight skin, the Silverado and Sierra will get their own eight-speed automatic for 2015, a transmission that will be paired with the company's Ecotec3 6.2-liter V8. The new cogswapper will also find its way into the GMC Yukon Denali, but for now, there's no indication why the Cadillac Escalade, Suburban, Tahoe and standard Yukon are being left out.
According to GM, the new gearbox is about the same size and weight as the current Hydra-Matic 6L80 six-speed. By the time the new powertrain combination enters production late this year, the EPA will almost certainly have gotten around to certifying the vehicles' fuel efficiency. Until then, feel free to speculate. The current Silverado with the 6.2 and six-speed auto returns 14 miles per gallon in the city and 20 on the highway. How much do you think the eight-speed will improve those figures? Scroll down for the official press blast from General Motors, and then head into Comments.

The Hummer EV Edition 1 is sold out and it'll be years before other trims arrive

When the 2022 GMC Hummer EV was revealed, GMC noted that there would be lower trims available. The company has since provided a few more details on those lower trims, which is helpful to know now that the only trim on sale next year, the Edition 1, was sold out in a scant 10 minutes. However, it's going to be a long time before they're all available.  The entry-level GMC Hummer EV is the EV2. This is the model that will start at $79,995, and unlike the Edition 1, it gets just two motors, one for each end of the truck, each with electronically locking differentials. Output is down to 625 horsepower and a torque rating of 7,400 pound-feet. Note that this and all other reported torque numbers are after the torque multiplication by the single-speed transmissions, hence the extremely high numbers. The company hasn't given torque numbers at the motors, which would be more comparable to other electric cars. Range is also reduced to 250 miles, probably due to a smaller battery pack. Fast charging is also restricted to 400-volt charging, so it won't be as fast as the higher trim models. The removable roof panels, retractable rear window, MultiPro tailgate, Super Cruise and 35-inch tires are standard. This model only gets fixed steel suspension and two-wheel steering. The EV2 will be the last of the trim levels to go on sale, with a target of spring 2024. Yes, as in 3.5 years from now.  The next level is the EV2X, which will be available a year earlier in the spring of 2023. It gets the same powertrain as the EV2, but adds 800-volt fast charging and a 300-mile range. It also gets the adaptive air suspension and four-wheel steering, plus the associated party tricks of Crab Mode and Extract Mode. This model costs $89,995. The earliest Hummer EV that isn't an Edition 1 and therefore not yet sold out will be the EV3X, the entry-level three-motor model. It goes on sale in the fall of 2022 at a price of $99,995. It's not quite as potent as the Edition 1, though, with an output of 800 horsepower and 9,500 pound-feet of torque. It also lacks the "Watts to Freedom (WTF)" launch control feature. But it does get torque-vectoring with the dual rear motors, which can also lock their speeds to be equal like with the mechanical locking differential at the front. The EV3X's range is 300 miles like the EV2X.  As for the Edition 1, it started $112,595 before it was sold out. Customers are to expect them in fall 2021.

GM SUV window switch recall urges owners to park vehicles outside

It's not unusual for there to be a lag between an automaker announcing a recall and the official documentation showing up on the National Highway Traffic Safety Administration website. So it's no surprise that a recent GM campaign took about a month to appear in its official capacity. However, there appears to be some big differences between the two reports with potential safety implications.
In late June, GM announced that it needed to recall 181,984 examples of the Chevrolet Trailblazer, Buick Rainier, GMC Envoy, Isuzu Ascender and Saab 9-7x from the 2005-2007 model years, plus the 2006 Chevy Trailblazer EXT and 2006 GMC Envoy XL. The new documents paint a slightly different picture with 184,611 needing repaired and different model years listed.
The reason for the fix is still the same, though. It's possible for fluid to contact the master power window switch module in the driver's door, which can corrode the part. Eventually this could cause a short circuit, leaving the buttons inoperable and potentially leading to a fire. But the new NHTSA documents add an important note: "A fire could occur even while the vehicle is not in use. As a precaution, owners are advised to park outside until the remedy has been made."