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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.

The 2016 Pebble Beach Concept Lawn was nuts as always

The Concept Lawn at the Pebble Beach Concours d'Elegance is like the smallest, most expensive car show you can imagine. A bunch of unobtanium concepts and almost-production models line an irregularly shaped putting green for people to stare at while on their way to see other, older insane cars. This year's crop was a particularly good one. We'll walk through the gallery above in order: That's a new Ford GT. Not quite a concept, but it's not in production yet, so we'll let it slide. Then there's the one-of-a-kind Bugatti Vision Gran Turismo that was recently bought by a Saudi Prince along with a matching Chiron. Next up is the Lamborghini Centenario Roadster, which was unveiled last week and is already sold out. This orange automobile is BMW's 2002 Hommage with its latest livery, a Jagermeister-themed affair called Turbomeister. This silver Infiniti, the Q80 Inspiration Concept, is an oldie but a goodie. It first appeared in Paris in 2014. The extremely long automobile after that is the Vision Mercedes-Maybach 6, which was unveiled in Monterey this year. The 6 in the name is because it's 6 meters, or about 18 feet, long. Most of that's the hood. Next we have the one-of-99 Aston Martin Vanquish Zagato coupe, which continues to be beautiful. After that is a Fisker Karma with a V8, the VLF Destino. Thank you, Bob Lutz. The black sedan you see after that is the Cadillac Escala Concept, which also made its debut in Monterey this year. Then we have a Rolls-Royce Wraith Black Badge. Not a concept, but exclusive enough to join the others. Next is the McLaren 570GT customized by MSO that arrived for Pebble 2016. It has special design touches plus an electrochromic panel to replace the normal glass roof. The light blue car is the Genesis New York concept. The name didn't change even though it was in Monterey. Then we have the large and in charge Lincoln Navigator concept, taking up two regulation concept spots. The red car with suicide doors is Acura's Precision Concept, which we first saw at the Detroit show this year. Another non-concept, the Lexus LC 500h at least looks futuristic enough to be a show-specific car. And here's a 2017 Maserati Quattroporte, which is definitely not a concept. A Bentley Mulsanne EWB, because why not? It's not available in the US, so that almost qualifies for concept status. Then there's a reproduction Lister Knobbly, which we could stare at all day.

Cadillac CT4 and CT5 get meaningful updates for 2021

It's common for vehicles to get an update here or there in between full redesigns every five or six years, but the changes being made for the 2021 Cadillac CT4 and CT5, each just introduced last year, represent more than just a little nip and tuck. For starters, Cadillac's excellent Super Cruise will show up on the options sheets for the two sedans early next year in Enhanced form with with Lane Change on Demand functionality. Super Cruise will be offered on Premium Luxury and V-Series trims only. As we already knew thanks to early order guides, a new 12-inch digital instrument cluster that features driver-selectable themes is also on the menu for 2021. A traditional Tour theme is probably what most drivers will default to, while a Sport theme will likely include red accents and performance-monitoring readouts and a Stealth theme will offer minimal information and what we'd guess are non-distracting colors. CT4-V and CT5-V models will get an exclusive Track theme. New for the CT5 Sport trim level is a V Performance package that adds upgraded suspension bits, Magnetic Ride Control and a mechanical limited-slip differential. V Performance front brake calipers from Brembo are also optional on Sport models. Additionally, a new Diamond Sky special edition package will be offered on Premium Luxury CT4 and CT5 models, adding interior and exterior styling upgrades along with all-season run-flat tires on unique wheels. The package also gets the aforementioned V Performance brakes. Additional updates include wireless Apple CarPlay and Android Auto, SiriusXM with 360L with more than 200 live SiriusXM channels and on-demand programming choices, and a console-mounted rotary infotainment knob that enables left and right clicks to more easily navigate the CUE infotainment system. Buckle to Drive will come enabled from the factory (it can be disabled after purchase) and won't allow the driver to shift into drive unless the seatbelt is buckled. A Teen Driver mode will encourage safe driving from — you guessed it — teens. Forward collision alert, front pedestrian braking, automatic emergency braking and the patented haptic Safety Alert Seat are now standard equipment across the board for both sedans. Check out the image gallery above to see many of the updates, including Super Cruise, the digital instrument cluster and the Diamond Sky edition. Related Video: