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2018 Buick Enclave: How engineers made it larger, lighter, more sophisticated

Buick used the unveiling of the 2018 Enclave at the New York Auto Show to introduce its new range-topping Avenir sub-brand to the world. With fancier interior finishes and exterior details, it's Buick's latest effort to make itself a proper luxury brand (or perhaps re-establish itself as such). However, lost in the Avenir song and dance is the fact that the 2018 Buick Enclave is a (very) long-awaited all-new model regardless of the trim level one selects. Like the Chevrolet Traverse upon which it is based, the new Enclave is bigger than the vehicle it replaces but considerably lighter, by about 400 pounds. "We told every engineer, 'get your job done, but then take the weight out,'" said engineer Rick Spina as we hovered next to his larger yet lighter creation. His team therefore set about taking a little bit of weight out from just about everywhere, from using additional aluminum in the suspension to varying the thickness of the frame (thicker in places that needed to be stronger, thinner and therefore lighter in places that didn't). Only about 100 pounds came out of the body with the rest coming from elsewhere. Not only will the reduced weight improve fuel economy (Buick-estimated at 19 mpg combined with FWD versus 18 for the 2017 model) and presumably the old Enclave's rather ponderous handling, but it should only make things easier for the new powertrain: General Motors' now-familiar 3.6-liter V6 and its latest nine-speed automatic. With 302 horsepower and 260 pound-feet of torque, Buick says the new engine will need 7.2 seconds to reach 60 mph with FWD or 7.5 seconds with AWD. That's a second quicker than before. Besides acceleration, towing is also bumped up by 500 pounds to 5,000. For those models with all-wheel drive, the Enclave has the same basic system featured on range-topping versions of the Buick LaCrosse. Besides power being sent front and rear, it can also differ from right to left in the back, although Spina is quick to point out that capability is for traction-enhancing purposes rather than sporty, handling-enhancing torque-vectoring ones. Buick owners already appreciated the Enclave for its quietness so the engineers decided to take it that much further. This included altering the exhaust, improving body sealing (there are triple door seals), including active sound deadening and utilizing advanced materials that absorb sound as opposed to simply being thick, dense and heavy enough to keep it out.

2024 Buick Envision reportedly delayed, stripped of Super Cruise

It appears the Chevrolet Traverse isn't the only GM product trying to climb out of production hell. Remember, Chevy had to delay the start of production for the all-new third-generation 2024 Traverse, leading to the second-gen 2023 model carrying over for a brief spell as the Traverse Limited until the all-new SUV comes off the line in real numbers. According to GM Authority, Buick is in similar straits with the 2024 Envision. The automaker showcased a range of subtle cosmetic updates and some tech enhancements for the SUV over the summer, providing enough detail to be a little more than a tease, a little less than a debut. At that time, the 2024 Envision was meant to be on sale before the end of this year. Now GMA says the market launch for the 2024 Envision has been pushed back to late 2024 for as-yet-unknown reasons. This timeline marks the third delay. Just one month after the June reveal online, GMA wrote that the original October date for the start of production had been moved to December 11. Dealers began submitting orders at the end of September in anticipation of October production. Sometime after the October deadline passed, a November update claimed production would commence in the first quarter of 2024. We imagine the late 2024 date could move again, perhaps forward; that's a year out, it's possible GM gets good news before then. What's more, GMA also reports the 2024 Envision won't come with Super Cruise. This was going to be the first Buick with GM's hands-off driving feature, but again, for undisclosed reasons, plans have changed.  What we're pretty sure we can expect whenever the refreshed Envision arrives is a new front end with a bigger grille positioned lower on the front fascia, bright trim, and the new Buick emblem on the hood. The headlights are now integrated into the bumper, LED daytime running lights replace the outgoing Envision's headlights. The revamped look brings the Envision in line with other recent additions to the Buick range, like the Encore. Because Buick released a single photo for the summer reveal, we still have no idea what the Envision's back end and interior look like. The change in plans could mean a reworked trim lineup for the holdover. According to early figures from Autodata, the 2024 Envision will only come in three all-wheel-drive trims, Preferred, Sport Touring, and Avenir. This change would eliminate all the front-wheel-drive trims available in 2023 across the Preferred, Essence, and Avenir trims.

Why Buick's future lies in China

Back in the last half of 2008 and into 2009, when General Motors was looking at too much capacity for too few customers, when it was running out of money and needing to go to the governments of the US and Canada and to the UAW for financial support, its management team was pretty much instructed by the feds to focus resources on what would create the best likelihood for a return on the investments and guarantees that it was getting. Things needed to be cut, and not just the corporate air fleet. This led to the elimination of Saturn, Hummer and Pontiac and the sale of Saab to Spyker. What remained of GM's North American brand portfolio was Chevrolet, Buick, Cadillac, and GMC. (Oldsmobile had been shuttered in 2004.) There were a variety of opinions regarding which brands GM should keep/lose during the midst of the Great Recession. Some thought GMC should be axed, but then it was pointed out that GMC essentially produced high-content Chevys, which resulted in fantastic transaction costs. Lots of money in the back of those pickups. Others thought Buick should be eliminated. The rationale was: Chevy was the mass-market brand, Cadillac was the luxury brand, and GMC helped leverage the company's investment in trucks. (Yes, even back then the F-Series was winning the pickup sales race, so it was always a matter of adding Silverado and Sierra sales to show that GM was solidly in the game.) So what was Buick? Better than Chevy but not as good as a Cadillac? Somehow that doesn't seem to be a particularly aspirational position to hold. But Buick's identity didn't need to be worked out in 2008-09 because there was a single compelling reason to keep it: China. According to official GM history, Pu Yi, the last emperor of China, Dr. Sun Yat-sen, the first provisional president of China, and Zhou Enlai, a Chinese premier, "Either owned, drove or were driven in Buick automobiles." What's more: "According to statistics from the Shanghai government, in 1930 one out of every six cars on the city's roads was a Buick." Which is to say that Buick got to China early and has a major presence in that market. When the Regal Sportback and Regal TourX were being unveiled at the GM Design Dome the first week of April, Duncan Aldred, vice president of Global Buick, gave a briefing of Buick's place on the automotive landscape.