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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.

2019 Cadillac XT4 First Drive Review | Fashionably late

SEATTLE, Wash. — The 2019 Cadillac XT4 compact crossover debuted in New York, Cadillac's recently-adopted home, several months ago. Since then, a lot's changed. Cadillac honcho Johan de Nysschen got the boot, the economy's continued to improve, and we've changed coasts to experience the XT4. The setting is Seattle and its environs, a place that embodies the moment – a town flush with tech money and outdoor lifestyle experiences. Oh, and traffic. Lots of that. What hasn't changed is that this is a vehicle that Cadillac desperately needs. Between and below the Escalade and XT5 are vast gulfs of white space that could swallow entire crossover-focused brands. The dealers, we imagine, howled. And de Nysschen was replaced, it turns out, by a career GM exec with a penchant for building bridges with dealers. Must be a coincidence. The XT4 should please everybody involved in that power struggle. It's cute, for one, which will make for happier dealer-customer interactions. It brings appreciable but unintimidating technological advances to a brand looking to flex some segment leadership muscles. And it doesn't strictly feel like a rebadged version of a lower-tier product, a bad habit that Cadillac keeps failing to kick. We'll discuss its competition within its segment, and how they compare to the XT4, in another piece to follow. If you're wondering where the XT4 comes from, the easiest way to think about it is as a cut-down version of the basic underpinnings of the XT5, wrapped in nicely-proportioned sheetmetal. To be blunt, there's more unadorned plastic on the lower fascia and rockers than we'd like at this price point, but the rest is handsome. Large, elegant lamps sit at both ends, set off with trendy creasing and little accent vents – Sport models have clear taillight elements, while others have red-tinted lenses. The XT5, itself a newer vehicle, looks outclassed and dated instantly when put up next to its sleeker, more modern little sibling. The interior, however, is more alike than different. The major shapes are similar, as are the placement of the switchgear. The 8.0-inch infotainment screen is, as in the XT5, embedded in a slabby wedge of dash. It's still a touchscreen, but a little dial now provides an alternate way to navigate. A Qi charging panel and easily accessible, but not too prominent, USB, charging, and aux inputs reside just above. The seats in our tester, a Premium Luxury trim, are covered in a soft, warm caramel-colored leather.

Cadillac's Blackwing V8 was the best engine at the worst time

It should be clear that GM knows how to innovate and engineer excellent products when it wants to. Cadillac's 4.2-liter twin-turbo Blackwing V8 is recent proof of that. Yet, as related in an extensive Road & Track piece, the Blackwing became victim to some of The General's bugbears, like the reticence to — for whatever reasons — unleash its excellence everywhere, fund that excellence, and be consistent with that excellence over the long term beyond the Corvette and full-sized pickups and SUVs. The R/T story relates tales told by "several people deeply involved with the Blackwing project" about how an engine 18 years in the making was deprived of its reasons for being in less than three. Starting around 2000, GM spent a dozen years building Cadillac up to the point where the American luxury brand could rationally flip to the chapter called, "Taking the Fight to the Germans, but for Real this Time." The first steps in the plan meant an exclusive platform and an exclusive engine. The platform was called Omega. You know the engine's name. They were going to be the aluminum-blocked fist and velvet glove enabling Cadillac to break on through to the other side of luxury — proper luxury to global standards, that is — with a range of beautiful and dynamic crossovers and sedans. An engineer involved in the project estimates GM poured $16 million into the Blackwing's clean-sheet development. Many more seven-figure sums went into creating the first sedan on the Omega platform, the CT6. The automaker dropped millions again poaching ex-Audi and Infiniti chief Johan de Nysschen, and moving Cadillac's headquarters to New York City in 2014. Further pallets of cash funded the development and debut of the Escala concept at Pebble Beach in 2016. In 2018, GM revealed its dramatically named DOHC twin-turbo V8. Considering what came before, the Blackwing clearly wasn't designed for cars. It was designed for world domination. However, against the backdrop of plummeting sedan sales, the CT6 didn't sell like GM had hoped. The automaker hesitated to marshal another fleet of Brinks trucks to fund entries into a cratering bodystyle. Removing sedans from the world domination equation created more difficult math for the crossovers and the Escala.