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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.

GM can't keep up with most popular pickup orders

With the market for pickup trucks at its best since before the recession, General Motors can't afford any hiccups with the launch of its new 2014 Chevrolet Silverado and GMC Sierra twins, but it sounds like the popularity of V8-powered trucks is causing some supply-chain issues. Bloomberg reports that GM is experiencing a shortage of 5.3-liter V8 engines because an unnamed parts supplier has been unable to keep up with demand. This is leading GM to restrict the number of V8 Silverado and Sierra trucks that Chevrolet and GMC dealers are allowed to order.
Although it's unclear how long it will take to resolve the parts shortage, GM doesn't have much time to sort it out, as a new Ford F-150 looms on the horizon. At launch, GM's fullsize trucks were offered only with a base 4.3-liter V6 and the 5.3-liter V8, but a burlier 6.2-liter V8 will be available soon. Interestingly, at least at the moment, GM truck buyers don't seem as willing to downsize to V6 power as buyers of the F-150, which gets some 42-percent of its sales from trucks equipped with its EcoBoost V6 engine (not including the normally aspirated base V6).
Working out the kinks in the Silverado and Sierra's supply chain couldn't be more important to the health of the company. Full-size pickups are a huge profit driver - in 2012, the trucks were said to make up about two-third of GM's total profits.

GMC SIerra Denali is ready to live the high life

Between the information for the 2014 Chevrolet Silverado High Country and the accidently leaked picture on GMC's consumer site, it didn't take much imagination to envision what the 2014 GMC Sierra Denali would be like. But here it is. Going on sale this fall, the 2014 Sierra Denali will continue to be the most luxurious pickup truck in the General Motors portfolio, while getting more power and technology than ever before.
Like previous models, the 2014 Sierra Denali stands out from lower Sierra models with a big cheese-grater chrome grille, 20-inch chrome wheels and body-color bumpers. Inside, the Denali gets plenty of leather with contrasting stitching, but this is where GMC really steps up from the Silverado High Country with real aluminum trim and a new customizable eight-inch driver display in the gauge cluster. Standard features will include heated and cooled front bucket seats, the Intellilink infotainment system with Bose audio, while the options list offers a Driver Alert Package (with forward collision alert and lane departure warning), a rear-seat entertainment system and a Z71 Off-Road Package.
As for power, the standard engine will be the 5.3-liter EcoTec3 V8 with its 355 horsepower, and the optional engine will be the new 6.2-liter V8. Although official power figures for the bigger engine aren't in yet, GM is finally putting some estimates on paper expecting around 420 horsepower and 450 pound-feet of torque to go with a 12,000-pound towing capacity. The new Sierra Denali will be available in either two- or four-wheel drive. Scroll down for more details listed in the official press release.