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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.

Weekly Recap: Cadillac's crossover blitz hinges on the 2017 XT5

Cadillac's aggressive new cadence of crossovers begins next spring with the arrival of the 2017 XT5, the first of four new utility vehicles that Cadillac will unleash in a bid to win more customers and revitalize its image. The XT5 replaces the aging SRX, and it's the first SUV to use the brand's new naming scheme (cars will use the corresponding CT prefix). Billed as the cornerstone of Cadillac's remade crossover lineup, the XT5 will join showrooms right after Caddy's new flagship, the CT6 sedan. It will be on display next week at the Los Angeles auto show after first appearing this month at the Dubai motor show. "It's pivotal to our ongoing growth, which is why we've developed XT5 from the inside out to provide customers more space, more technology, more luxury, and more efficiency," Cadillac president Johan de Nysschen said in a statement. "Pivotal" is almost understating the XT5 and the red-hot midsize crossover segment. The SRX is Cadillac's top seller in 2015, posting a 25-percent increase and its 56,732 units (up 25 percent) are more than one third of the brand's 141,090 sales this year. Yes, the totals have been partially incentive-fueled, and Cadillac put an average of $7,225 on the SRX's hood in October, according to TrueCar data. Still, it's an impressive performance for any vehicle, especially one that's had few major changes since the new generation launched as a 2010 model. "The SRX has been selling very well, given how late in the lifecycle it is," AutoPacific product analysis manager Dave Sullivan told Autoblog. It outsold the all-new MKX last month and really only trails the Lexus RX. This is the volume model for Cadillac and dealers need this to be a grand slam, not just a home run." Cadillac is adamant the XT5 isn't an SRX re-skin. It has a new chassis, more interior room, and adds features like Apple CarPlay and Android Auto. Thanks to a new structure, the XT5 sheds 278 pounds compared with its predecessor, which should improve fuel economy and driving character. The crossover uses General Motors' latest 3.6-liter V6 rated at 310 horsepower and 270 pound-feet of torque, and it is fortified with variable-valve timing, cylinder-deactivation, and stop-start features. The V6 will team with an eight-speed automatic transmission and a twin-clutch all-wheel-drive system than can summon all of the torque distribution to the front or rear axles. Cadillac will also sell a 2.0-liter turbo four-cylinder model in China.

Cadillac back on track with 600-hp ATS-V.R racer in FIA GT3 spec [w/video]

There was already a rumor brewing that Cadillac might eschew the CTS as its racecar next season in favor of the ATS Coupe. It turns out that is absolutely the case, and now we know just what this 600-horsepower, future racer looks like. The coupe might not be limited to competing in just the US, though, because it's built to FIA GT3-specifications, meaning that this Caddy is also eligible to race in over 30 series worldwide against the likes of Bentley, McLaren, Audi and other premium brands.
The heart of this massively winged Cadillac is an engine dubbed the LF4.R. It's based around the unit in the production ATS-V and CTS Vsport but with larger turbos, bigger intercoolers, side exhausts and other tricks. Cadillac claims it makes a monstrous 600 hp and 520 pound-feet of torque in unrestricted form.
As the photo above shows, the ATS-V.R also wears an aggressive aero kit with a carbon fiber front splitter, and a wing at the back that could probably double as a picnic table in a pinch. The dry weight of the whole package is quoted at about 2,900 pounds, which is around 700 pounds less than the street version.