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Leak reveals GM's 2017 heavy duty diesel trucks to get 910 lb-ft of torque [UPDATE]

UPDATE: Chevrolet officially announced specs for the 2017 Silverado HD and the rumors were true. The truck's new Duramax 6.6-liter turbo-diesel V8 puts out 445 horsepower and 910 pound-feet of torque. Chevrolet says the new motor produces 19 percent more torque and 12 percent more horsepower, while producing 35 percent fewer emissions. Overall, the new engine is a big improvement over the current motor, which generates 397 horsepower and 765 pound-feet of torque. According to Truck Trend, GM's newest heavy duty pickup trucks will pick up quite a bit more power and torque. The publication spotted a recent GM Powertrain ordering catalog that had the engine specs for the 2017 model year and managed to get some screenshots before the catalog was taken down, and they can be viewed here. The screenshots revealed that the 6.6-liter turbodiesel V8 powering the Silverado and Sierra heavy duty models will boast 445 horsepower and 910 lb-ft of torque. This is a substantial gain over the current models' 397 horsepower and 765 lb-ft of torque, and as Truck Trend points out, it exceeds the Ford Super Duty line's horsepower output of 440, but comes short of the 925 lb-ft rating. Truck Trend credits part of this output gain to the new intake system GM will introduce on the 2017 heavy duties. The intake gets 60 percent of its air from a scoop on the hood, with the other 40 percent coming from behind one of the front fenders. GM doesn't reveal horsepower figures in the press release about the scoop, but it does say the cooler air helps with maintaining the engine's output, and that the scoop does produce a ram-air affect, providing more air at speed. As we know, more air plus more fuel equals more power, but there's likely more to the power increase in this engine than only the intake. Related Video: News Source: Truck Trend via MSN Chevrolet GM GMC Truck Diesel Vehicles

New GMC feature reminds drivers to check for kids in hot cars

We see the stories every summer: Dozens of children die from heat stroke every year after being left inside hot cars. GMC has introduced a feature in the 2017 Acadia in an effort to help curb the problem. Simply called Rear Seat Reminder, it alerts the driver if the vehicle suspects someone might have been accidentally left behind. GMC's alert will trigger under certain circumstances. Five chimes will sound and a warning will display if the rear doors are opened and closed within 10 minutes of the vehicle starting or if those doors are opened while the vehicle is running. The system does not sense items or people in the rear seat like the front passenger seat would to trigger the airbag. Warnings will be displayed regardless of interior or exterior temperature; while the summer months are the deadliest, leave-behind deaths occasionally occur during cold weather. Drivers should be aware that temperatures in vehicles can quickly rise to dangerous levels, even if the ambient temperature seems cool and comfortable. View 23 Photos Unfortunately, a large percentage of children are intentionally left in cars. A negligent caretaker, whether it be a parent, grandparent, or babysitter, can leave a child behind while they go to work or run an errand, not expecting any problems. Some children unintentionally trap themselves in cars while playing in the cabin or trunk. The Acadia's system is unlikely to prevent these scenarios. While we believe that GMC should be commended for making an effort to put an end to these tragedies, we're not certain how effective the system might be until driver education improves. It's also possible drivers will come submit to warning fatigue and begin to ignore the messages. That said, if this software-based solution prevents just one death, it was worth the effort. Related Video: Image Credit: GMC GMC Safety Crossover gmc acadia

2018 GMC Canyon Denali isn't worth the money

In the GMC lineup, Denali is the top dog. It's the trim with all the bells and whistles, and often provides an experience comparable to Cadillac. Unfortunately that's not the case in the GMC Canyon Denali we drove recently. In the Canyon's case, the Denali trim isn't worth the price premium because it isn't luxurious enough and doesn't distinguish itself from the midlevel SLT trim. While the outside maintains the Denali look with a unique chrome grille, chrome door handles, 20-inch wheels, and big Denali badges (which a guy at a car wash immediately noticed when this editor drove past), the interior and feature set don't rise to meet the borderline Cadillac image of Denali. All GMC did to spruce up the already drab, gray, plasticky interior of the Canyon was give it black leather, some real aluminum trim, some fake wood trim, and stitched soft-touch surfaces. The aluminum and leather are nice touches, but they don't look much different from the black and aluminum-look plastic in lower trim models. The fake wood also looks really fake. They're also exactly the same upgrades as what you'll find in an SLT. But the SLT offers a dark brown color scheme as an option, which would help alleviate the dinginess, and the SLT, equipped exactly like a base Denali, costs $2,690 less at $41,575. The same issue comes up with equipment. The Denali has heated seats and steering wheel, navigation, automatic climate and navigation, but so does the SLT. The big problem here is that Denali is supposed to indicate the best, most luxurious vehicle GMC has to offer, but there's not enough differentiation — or specialness, even — to separate it from a well-optioned SLT. GMC needs to give the Denali something more. It needs some real wood trim, or perhaps some interior schemes with contrasting materials you can't find in other Canyons. It should have some other special luxury features included that can't be added to lower trim GMCs such as a heads-up display, automatic windshield wipers, push-button keyless entry and starting, things like that. The real reason to buy the Canyon Denali is really to get the prestige that the Denali badge brings, rather than the specific equipment it has — the Denali name has some value, after all. But if you can look past the badge and focus on practicality, the SLT is the runaway winner, offering the exact same experience for a notably lower price.