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2016 Cadillac CT6 to get an aluminum body?

Well this is interesting: A hot-off-the-press report in Automobile claims the coming Cadillac CT6 will have an aluminum body. Most write-ups on the CT6 claim it will have a body that's a combination of aluminum and high-strength steel - Automobile itself wrote of "high-strength steel, aluminum, and steel stampings" in October. An all-aluminum body would be quite the reversal, contradicting the last four months of reportage and company statements on the matter. Mark Reuss, EVP of global development at General Motors, told The Detroit News in October, "We will create with the CT6, the world's most advanced body structure... [and] it's not aluminum. It's a stronger, smarter, safer premium luxury vehicle." It echoed the earlier Automobile story in saying the CT6 would use GM's "patented welding technology with high-strength steel, aluminum and steel stampings and castings." That same month, the Wall Street Journal ran a piece titled, "GM Won't Follow Aluminum Strategy in Future Cars," in which Reuss said, "making big statements around all carbon fiber, all aluminum, all magnesium, they're very interesting," and that GM wouldn't be doing it. That piece also circled back to a material mix and GM's special welding process, saying the CT6 "will have a body made of aluminum, high-strength steel and other materials, and will be 100 kilograms (220 pounds) lighter than a similar-sized car made of high-strength steel." We don't know what kind of body Cadillac's new assault on luxury is going to wear, but now we can't wait to find out. Featured Gallery Cadillac Elmiraj Sedan: Spy Shots View 22 Photos News Source: AutomobileImage Credit: Chris Doane Automotive Cadillac GM Luxury Sedan aluminum cadillac ct6

Editors' Picks February 2022 | GMC Yukon, CT4-V Blackwing and Lexus NX 450h+

The shortest month of the year spawned a few Editors' Picks choices, and they come from a variety of categories amongst the car world. One comes with a particular caveat, the Lexus NX. Specifically, the new NX that gets our nod is the 450h plug-in hybrid model. We can heartily recommend an NX in this guise for its superb electrified powertrain, but the other versions fail to stir us in the same way. Beyond this, it's some of the latest from GM cleaning up, and they sure are some good ones. In case you missed our previous Editors' Picks posts, here’s a quick refresher on whatÂ’s going on here. We rate all the new cars we drive with a 1-10 score. Cars that are exemplary in their respective segments get EditorsÂ’ Pick status. Those are the ones weÂ’d recommend to our friends, family and anybody whoÂ’s curious and asks the question. The list that youÂ’ll find below consists of every car we rated in January that earned an EditorsÂ’ Pick. 2022 GMC Yukon Quick take: The Yukon is a big, comfortable and versatile SUV that has a little something for everybody, so long as you can stomach the fuel economy. It's an excellent middle ground between the Tahoe and Escalade. Score: 8.0 What it competes with: Ford Expedition, Jeep Wagoneer and Grand Wagoneer, Lincoln Navigator, Chevrolet Tahoe, Cadillac Escalade Pros: Tons of space, comfy ride, great trim variety, powerful engine options Cons: V8 Fuel economy, infotainment can be laggy, unexciting base interiors From the editors Road Test Editor, Zac Palmer — "GM's full-size SUVs are fantastic this time around, especially if you opt for the magnetic shocks and air suspension. The availability of a diesel engine that vastly improves fuel economy is huge, and the Denali trim is more special than ever with its unique interior design. I personally prefer the Yukon's styling over the Tahoe's, too." In-depth analysis: 2022 GMC Yukon Review | AT4 and Denali make the strongest case   2022 Cadillac CT4-V Blackwing Quick take: Cadillac is at the top of the mountain with its performance sedans, and the CT4-V Blackwing is no exception. One drive in this magnificent creation will have any enthusiast convinced that it's a top-tier sport sedan.

Why an independent rear suspension for GM's new, full-sized SUVs wasn't easy

A Motor Trend report last month laid out how Cadillac's 4.2-lier twin-turbo Blackwing V8 could be an orphan due to cost concerns in the GM empire. Last-minute chassis changes to Cadillac's new sedans and XT6 crossover led to engine bays that couldn't fit the Blackwing. On the SUV side, according to the report, the new independent rear suspension for big people haulers cost so much to implement that GM ruled out reworking the Escalade to accept the Blackwing. At least one commenter rightly asked how could a suspension swallow that much money. A new piece in Motor Trend has the answer. The excellent Alissa Priddle spoke to Tim Herrick, GM's executive chief engineer for full-size trucks, about why the clean-sheet IRS cost "multimillions of dollars."  First, GM would need to build a new body shop at the Arlington, Texas plant that assembles the automaker's big SUVs to stamp the numerous wholly new parts and panels accommodating an IRS. Then GM would need to design and pay for a new assembly process. On top of those up-front costs, there was the incremental cost of the four-link IRS components being more expensive than those in the trucks' former leaf-sprung solid axles. Herrick endured so many rejections for so long that he remembers the date and time when he got approval for the new unit. He said it came down to a meeting where he told a higher-up, "I'll make you a deal: If we get to the reveal, or if we launch this and you think this was a dumb idea, I'll hand you my badge and let you walk me out." Head to Motor Trend to read the full story. Based on Herrick being on stage to help present the new SUVs to the press, and on our First Ride in the new Chevrolet Tahoe and Suburban at GM's Milford Proving Grounds, it appears this will have a happy ending for all involved. Furthermore, since Herrick worked on the T1 platform that supports the big SUVs as well as the light- and heavy-duty pickups, he understood the demands on the commercial side, too. That could be why when Roadshow asked Tim Asoklis, chief engineer of the Tahoe and Suburban, if the new IRS could endure life in the Chevrolet Silverado and GMC Sierra, Asoklis answered, "Oh, absolutely." Related Video: