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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.

Here is the Cadillac XT6 three-row SUV's interior

The Cadillac XT6 has once again been spotted by one of our spy photographers. Though the outside is still as buttoned-up as ever, our photographer managed to get close enough to see the completely uncovered interior. On the surface it looks more like the interior of the CT6 than the latest Cadillac model, the XT4, which is rather surprising. Specifically, the dashboard layout is nearly identical to the CT6's. It's a wide, sweeping dash, and the mid-section is dominated by a broad piece of trim that appears to be carbon fiber in this model. It likely can be replaced by wood, leather or a variety of other trims. The top part of the center stack is dominated by a large touchscreen with touch buttons surrounding it for driver's aids. Directly underneath are subdued air vents followed by the climate controls. These controls appear to have been lifted straight from the CT6 and feature touch buttons and a trio of toggle switches. The few places the dashboard deviates from the CT6 include how the XT6's fancy trim spans the full width of the dash, rather than giving way to some plain leather on the driver's side. This gives the whole dash a more upscale look. The dash also doesn't try to smash too many different materials and textures into one design. Overall, it all looks attractive enough, though we're a little disappointed to see a lack of physical buttons as we saw in the XT4. That being said, there are XT4-inspired elements in the XT6's interior. Most prominent is the scroll wheel down in the center console. We suspect the infotainment system will be effectively identical, so the wheel will similarly serve as a redundant means of controlling the infotainment system along with the touchscreen, voice commands and wheel controls. The shifter also seems to be the same as the XT4's. The XT6 exterior doesn't really reveal anything new. It still looks angular, and it still looks long enough to have a third row of seats. The introduction of this model will certainly give Cadillac a much more rounded lineup of crossovers from small to large, something the brand sorely needs. Related Video:

Cadillac's Johan de Nysschen clarifies a few points on the brand's future

Last week, Motor Trend ran coverage on a journo roundtable with Cadillac president Johan de Nysschen. During the roundtable, de Nysschen cited a few reasons for the decline in sedan sales, including gas prices, "young consumers" — read, millennials — less interested in driving dynamics than lifestyle accessories, and the state of U.S. infrastructure. Jalopnik homed in on the last two reasons, and those became the story, including here in our post on the roundtable. So de Nysschen called Jalopnik to add more context. The original reaction pieces painted de Nysschen's rationales as an excuse for sporty sedans not selling well, when the issue is Cadillac's sporty sedans not selling well. His main clarification: "I wasn't advocating the idea that the world is black and white, that if you're a young buyer a millennial or a teenager that you don't enjoy driving." On that note, it would be ridiculous to deny millennial and sedan-segment bugbears; de Nysschen has market research and the industry-wide, rabbit-like crossover breeding program to back him up. Yet even as he touted the success of the XT5, noting that it's "the third-best-selling luxury nameplate in the U.S. after the Lexus RX, and the Mercedes C-Class," he could add, "But the irony is not lost on me that the C-Class is a sedan." The circumstances laid out in the follow-up piece inject more likely color into the situation: the brand's onetime, singleminded focus on the U.S., followed by a singleminded focus on China that left the U.S. market wanting for attention. We could add to that: years of lackluster products and awful attempts at volume and brand engineering under the old GM at the same time that downsized premium luxury products, crossovers, and SUVs began their rocketship trajectories; trying to live off the Escalade success; and the carmaker's desire not to offend its older, traditional buyers while concurrently wooing "coastal influencers." De Nysschen also acknowledged that Cadillac interiors aren't where they need to be, saying, "We recognize that's where we want to improve." The result, as de Nysschen put it, "We're playing with the hand that we've been dealt.