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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.

Buick confirms US-market Envision CUV to be built in China

As expected, the Buick Envision will come to the US market in 2016, and as rumored, it'll be GM's first product imported from the People's Republic. Buick confirmed the news today, while also releasing a number of technical details on the mid-size CUV, which has sold nearly 130,000 units in the Chinese domestic market in the first 11 months of 2015. When it arrives in US dealers next summer, the Envision will feature a 2.0-liter, turbocharged four-cylinder EcoTec four-cylinder. Good for an estimated 252 horsepower and 260 pound-feet of torque, the four-pot turbo is paired to a well-received six-speed Hydra-Matic 6T70 transmission. That's the same automatic gearbox that's offered in the turbocharged Regal and Regal GS and the current six-cylinder LaCrosse. The entire affair is underpinned by torque-steer-fighting HiPer strut front suspension, a crossover first for Buick, with a four-link setup in back. According to Buick, the Envision will also get the same Active Twin Clutch all-wheel-drive system being offered on the Cadillac XT5 and the new LaCrosse. Like the Chinese-market Envision, Buick is offering the USDM model with active grille shutters, LED running lights, LED taillights, heated front/rear seats, a heated steering wheel, 19-inch wheels, and a Bose stereo as standard. Buick also lists highlights like Active Noise Cancellation and an eight-inch IntelliLink infotainment system, although it's not clear whether these are standard features. There's no word on which auto show the Envision will debut at. Considering the timing, next month's Detroit Auto Show is a strong contender, although if Buick wanted to really drum up headlines ahead of its on-sale date next summer, it'd formally introduce its newest CUV in April, at the New York Auto Show. Either way, expect to see more of this handsome, Chinese-built CUV soon. Related Video: Buick Envision North American Market Fact Sheet 2015-12-04 The Buick Envision was designed, engineered and tested in Michigan as a world-class luxury crossover to challenge the world's best competition. It was awarded Motor Trend SUV of the Year in China and has 127,085 sales so far this year. When it goes on sale in 2016, it will play an important role in a crossover lineup that currently represents 60 percent of Buick sales in North America. It targets customers shopping between the Encore, the best-selling Buick in eight years, and the Enclave, which has continued to grow its customer base since its 2007 introduction.

Next-gen LaCrosse, Cascada convertible coming to Buick showrooms in 2016

It's difficult to overstate how significant the post-bankruptcy years have been for General Motors' Buick brand. Arguably the most improved American automaker, Buick has rounded out its range with an excellent compact in the Verano, a well-balanced midsizer in the Regal and a segment-busting mini-CUV, with the Encore. Seeking to keep that momentum going, the next several years will see the brand address a trio of its most obvious issues. First and foremost will be a replacement for the aging LaCrosse, a vehicle whose only bit of attention since its 2009 debut was a very light refresh in 2013. According to Automotive News, we should expect the next-generation LaCrosse to arrive late next year or early in 2016, as a 2016 model. AN expects big design changes, as Buick attempts to further the LaCrosse from its popular platform-mate, the Chevrolet Impala. The changes won't be so radical, though, as to do away with its front-drive architecture, as the latest version of the Epsilon platform will underpin the next LaCrosse. The 3.6-liter V6 is likely to carry on, although a smaller, budget-minded offering is also extremely likely (we'll eat our hat if it's not the 2.0-liter, turbocharged four-cylinder from the Regal, Verano and Cadillac CTS et al.). The other issue plaguing Buick's lineup is a lack of a midsize crossover. This is particularly damning for the brand as most of its showrooms are shared with GMC, which boasts its own midsizer in the form of the Terrain. With the upcoming Envision (see here for teasers), that problem should be addressed. Like the LaCrosse, the Envision will likely be a 2016 model. It will debut and launch in China early next year, while we can expect it to arrive stateside later next year, or even early in 2016. For American consumers, both a 2.5-liter four-cylinder and the aforementioned 2.0T could see action in the Envision. Finally, while Buick can boast a pair of vehicles available with manual transmissions, it's still far from what we'd call a brand for fun driving experiences. Of course, one way of solving that problem is with a two-door convertible. Yes, it's extremely likely that the Euro-market Opel Cascada convertible will be sold in the US early in 2016. Whether it keeps the Cascada name is unclear (all in favor of Skylark, say "aye"). Regardless, adding a reasonably priced, relaxed, two-door droptop to the Buick range to fill the space left by the not-so-dearly departed Chrysler 200 Convertible seems like a no brainer.