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Cadillac CT6 uses aluminum to save 200 pounds

In Cadillac's recently launched ad campaign, the luxury brand's tagline is "Dare Greatly," and the two words suggest a brand willing to take big swings, even if they don't always connect. From what the company is promising, the forthcoming CT6 seems like an embodiment of that new motto. With an eventual range of turbocharged engines, reportedly including a turbo V8, a possible plug-in hybrid and streaming rearview mirror, the sedan is certainly pitched as tech showcase. Of course, extensive use of aluminum is practically mandatory to play in the luxury field these days, and Caddy is proving its latest creation can do that too. Despite the weighty appearance of the sedan's squared-off exterior, 64 percent of the CT6 is aluminum, including the entire exterior. Caddy claims that using so much of the lightweight metal sheds 198 pounds off the scales compared to using conventional steel. There still is some steel in the CT6; although it's predominately the high-strength variety. The engineers use the heavier metal for portions around the cabin and B-pillar for added safety. Cadillac also claims using steel "close-out panels" on lower portions of the sedan make the cabin quieter without needing as much sound deadening. The buildup to the CT6's public unveiling has been a long time coming after Cadillac pinned the flagship (for now) sedan's debut at the New York Auto Show nearly a year ago. When the sheet finally comes off on March 31, we get the first good idea about just how great Caddy's latest act of daring really is. Cadillac CT6 Elevates the Science of Mass Efficiency 2015-03-13 Technology DETROIT – Cadillac will use an advanced mixed-material approach for the lightweight body structure of the upcoming CT6 range-topping sedan. The structure is aluminum intensive, but the new Cadillac also includes 13 different materials customized for each area of the car to simultaneously advance driving dynamics, fuel economy and cabin quietness. The CT6 will debut March 31 at the New York International Auto Show and go into production late this year at General Motors' Detroit-Hamtramck assembly plant. "This is the rocket science of automobile construction and manufacturing today," said Cadillac President Johan de Nysschen.

Johan de Nysschen tells his side of the story

Automobile snagged time with ex-Cadillac, Infiniti, and Volkswagen of America boss Johan de Nysschen. General Motors decided to part ways with de Nysschen on April 18, 2018, after the German spent four years in charge of America's luxury brand. The longtime auto exec is a polarizing figure for enthusiasts, who seem to take a mostly negative view of his work at Infiniti and Cadillac. However, there's no denying de Nysschen is frank, and in the Automobile interview he puts an insider's perspective on a big bag of issues we can only speculate on. One of the biggest bombshells in the interview was that it wasn't de Nysschen's idea to move Cadillac to New York: "When I was recruited, I was informed that the company would relocate to New York," he said. Previous GM CEO Dan Ackerson had made the decision before hiring de Nysschen, then Ackerson let his new hire make the announcement. The big change came only two years after de Nysschen had taken over Infiniti after insisting Nissan's luxury brand move to Hong Kong. De Nysschen explained Cadillac's NYC move with the same rationale as Infiniti's Hong Kong move, so everyone assumed the new guy was doing his usual. He explains in the interview that after the move, "Folks who rooted for Detroit felt betrayed. Cadillac had an enemy." And that became a problem. He has nothing bad to say about GM or Cadillac, believing on the contrary that "GM is in a good position going forward." But he brought clarity to some of Cadillac's struggles. Among the issues was GM's "very vigorous" post-bankruptcy test for green-lighting a project. Another was the lack of specialization for the luxury arm. "Engines were generically developed with the Chevy brand in mind," he said, "and, then, 'Okay, well, yeah, it's good enough for Cadillac.'" That carried over into haphazard technology rollouts. "GM didn't have a specific technology roadmap aligned to particular brands," he said. "The process was, as they were developing new technologies, they would look at what product's launch date would be aligned with the maturation date and market readiness of a technology and go with it, whether Buick, Chevy, or what have you." De Nysschen worked to end such generalized approaches, which is how we get Cadillac taking the GM lead on technology and electrification.

BMW reclaims US luxury sales crown from Mercedes

The numbers, they are in: BMW has reclaimed the luxury-sales crown from Mercedes by a margin of 9,347 cars. Mercedes donned the king's headgear in 2013 after a strong final quarter of 2013 when the new CLA and S-Class poured out of dealerships. This year, led by the 3 Series/4 Series and X5, BMW sold 339,738 units – a 9.8-percent increase year-on-year. Mercedes, led by the C-Class and M-Class, saw its sales go up by 5.7 percent to 330,391 units. We'll have to wait a bit to see if there's another registrations-vs-sales challenge as in 2012, when BMW was anointed US luxury ruler. Behind them, a dark horse named Lexus nudged closer to the leading Teutons, selling 311,389 cars. The Japanese luxury automaker also had the biggest gain among the top three, its sales rising by 13.7 percent compared to 2013. Audi had the biggest sales of anyone among the top five, though, with a 15.2-percent gain to 182,011, which moved it a spot ahead of Cadillac; the Wreath-and-Crest brand dropped 6.5 percent to 170,750. Acura (167,843), Infiniti (117,300), and Lincoln (94,474) took the final positions. Speaking of Lincoln, sales at the once-mighty luxury marque stand as the mightiest jump of any on this list, up 15.6 percent. That's the power of Matthew McConaughey... and better cars and a new crossover, sure. So now that we're back to Round One of 2015, in case no one else has said it yet: "Ok, fight!"