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Leaked GM document shows GMC Sierra I6 diesel is more powerful than F-150's

GM told us earlier this year that the 2019 GMC Sierra would be getting a 3.0-liter I6 diesel option, but it never mentioned power or fuel economy figures. Hold the phone though, because a leaked GM Canada document just showed up online that lists out the details we've been waiting for. Originally published by TFL Truck, the 3.0-liter oil-burner supposedly makes 282 horsepower and 450 pound-feet of torque. For those who are counting, that's more than the Ford F-150's 250 horsepower and 440 pound-feet from its 3.0-liter diesel. It soundly bests the 240 horsepower and 420 pound-feet of torque from Ram's 3.0-liter diesel as well. Fuel economy is another story, though. The promotional material states that it will get 28 mpg on the highway, which is 2 mpg short of the F-150's 30 mpg — mind you, it's only capable of that magical 30 mpg figure in rear-wheel drive form. There's another caveat here, too; these are numbers for Canada, so they're not exactly finalized EPA figures. However, we wouldn't expect drastic differences between the two when the American numbers come out. The leaked documents also state the diesel Sierra will be capable of towing 7,800 pounds. That number seems remarkably low when compared to the F-150, which can tow up to 11,400 pounds with its diesel. Extra power and torque would have us assume that GM could get even better numbers than Ford, so we're going to hold our final judgment for official word. A 10-speed automatic will do the shifting on the diesel, just like on the 6.2-liter V8. Since the Chevy Silverado is also expected to get this engine, we can assume the figures would be almost, if not identical, to those we see here. We recently drove the 2019 Sierra and Silverado without the diesel engines, so go check those reviews out if you'd like to know more of our thoughts on the redesigned GM trucks. Related video:

2015 Chevrolet Trax

After the obligatory product presentation for the 2015 Trax, I caught up with Steve Majoros, Chevrolet's director of marketing for crossovers and cars, and asked him to elaborate on which markets his planners believe will be the hot starters for this tiny CUV. Without much hesitation, Majoros began to click off traditional sales havens for Subaru, namely, New England and the snowy bits of the East Coast, Colorado and the Pacific Northwest. That news might not surprise you, but it did me. Perhaps it's something as basic as the Trax's tall-hatchback looks, or the emphasis Chevrolet put on the urban driving cycle during my test in San Diego. But before my chat with Majoros, I'd considered this a crossover pointed at the Millennial city mouse more than his bumpkin cousin. But a closer look had me re-examining the granola cred of Chevy's smallest crossover. Having spent my fair share of time in New England and around New Englanders, I started by mentally listing the Trax's Subaru-like traits: practicality, thrift, all-weather ability and, well, just a dash of ugliness. (I suppose a hatchback needn't always be ugly to sell in Maine, or Boulder or Portland... but a 'distinctive' face doesn't seem to hurt.) After a day of driving through sunny San Diego and its surroundings, I can say that Trax makes an interesting case for itself against the standard bearers of the L.L. Bean set, but I'm less sure of its argument for young urbanites. The Trax looks a lot like an Equinox whose suit shrunk in the wash. Chevy's has downsized its own, rather conservative crossover styling to fit the proportions of the subcompact Trax; to my eyes, it looks a lot like an Equinox whose suit shrunk in the wash. That's fine for offering a cohesive look for the Chevy family of crossovers, but it seems out of step with the rest of the segment. If the Trax's current competitive set were the cast of a high school-based TV show, the Kia Soul would play the lovable nerd, the Nissan Juke perhaps the outsider musician and the Subaru XV Crosstrek the athletic outdoorsy kid. Chevy may see the Trax as the hipster chick wearing intentionally ironic mom jeans, but to me the styling is a little too on the nose; more like an actual grownup trying to hang with the kids. These mom jeans are genuine. Per my earlier point, that quasi-conservative look may be just fast enough for staid New Englanders, but I have a hard time seeing the bluff, big-Bowtied front end playing in Bushwick or Wicker Park.

GM shows off 'digital vehicle platform' enabling more in-car tech and OTA updates

It appears to have dropped the sobriquet "Global B," but General Motors' new electrical architecture has bowed in drawings and video. This is the "digital vehicle platform" GM president Mark Reuss spoke to Reuters about in 2015, saying it would move a great deal of a vehicle's computer work to the cloud and enable over-the-air updates. Reuss took the microphone for the debut, too, saying, "Our new digital vehicle platform and its eventual successors will underpin all our future innovations across a wide range of technological advancements, including EVs and expanded automated driving." The system will go into production later this year, appearing in dealerships first either on the 2020 Cadillac CT5 or the mid-engined 2020 Chevrolet Corvette. Yes, these are the same electronics cited for delaying the launch of the C8 Corvette over excessive draw, security and getting the more-than-100 computer modules to communicate seamlessly. When Car and Driver asked about that, GM replied with "No comment." Volkswagen's having the same issues with the Mk8 Golf right now, though, so GM isn't alone, and this will be the new normal among OEMs for a while. What's certifiable is that the new architecture is robust enough to handle 4.5 terabytes of data per hour, which is five times what GM's current wiring can handle. And thanks to Ethernet connections of 100 Mbps, 1 Gbs and 10 Gbs, communication within and without the vehicle happens much faster. The advances mean better screen resolutions, better battery management for hybrids and electric vehicles, the capability for over-the-air updates and "functionality upgrades throughout the lifespan of the vehicle." Cadillac's Super Cruise has already been lined up as a leading candidate for constant improvements in the driving assistance suite, a key part of GM's "vision for a world with zero crashes, zero emissions and zero congestion." And whenever GM decides to take the plunge, it will mean a 48-volt electrical system. More than 300 specialists worked on the digital platform, and security was a huge part of the task. We've already heard that GM consulted with Boeing and military contractors on how to prevent hacking. The carmaker has an internal Product Cybersecurity group that reached out to the research community, and created a "bug bounty" program to crowdsource uncovering any flaws.