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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.

1987 Buick GNX with 8.5 miles sells for ... well, you won't believe it [UPDATE]

UPDATE, FRIDAY, FEB. 15: Blowing past what was believed to be the previous sales record of $165,000, this 8.5-mile 1987 Buick GNX sold for $200,000. It jumped approximately $80,000 in the final 10 minutes. The winning bid went to username PETRO917, who joined Bring a Trailer in February, seemingly specifically to bid on the GNX. The previous story appears below. Automotive grails are expected to cost unfathomable amounts of cash, but this 8.5-mile (EIGHT!) 1987 Buick GNX could reach monetary digits not seen before. With four days still left on the Bring a Trailer auction, the GNX is already up to $100,000. The Grand National, particularly the GNX, is one of those cars that has skyrocketed in value in the past 10 years. It's been earning payouts that put it in a rare class of General Motors vehicles typically occupied by classic Corvettes and Camaros. At the Barrett-Jackson Palm Beach auction in 2015, a 362-mile example sold for a brain-scrambling $165,000, likely the most ever paid for a GNX. Last year, the first GNX ever released to the public (VIN No. 1 and 2 were kept by the company) had 8,200 miles and sold for $126,500. The most expensive GNX ever sold on Bring a Trailer had 28,000 miles and ended at $60,000 in summer 2018. Bidding on this example is already $40K past that, with days to go. To the shock and dismay of many, this ultra-rare performance icon has been driven less than the distance of a half marathon. Its odometer reading makes it possibly the most pristine GNX on the planet. After it was originally sold in Mena, Arkansas, it simply sat on display in a Texas dealership for decades. The seller purchased the car in 2002 and supposedly kept it in a climate-controlled environment. Plastic wrapping over the seats and door panels further the immaculate cleanliness. According to the listing, the only parts that have been replaced are the battery and a relay switch, both of which come with the sale. In a comment on the auction, the owner shared the reason he has decided to sell the car: Collecting is enjoyable only if you can share the collection with other people of similar mind who can also appreciate it. I am at a point in my life when the relationships, not the material possessions, mean the most to me. The time has come for someone else to own a piece of history and share it with those individuals most important in his or her life.

Buick could import Envision crossover from China

Reports about the Buick Envision's likely arrival in the US go back even before the midsize crossover's debut in China last year, but the brand still doesn't have a official decision about whether to bring it here. According to The Detroit News, the company is somewhat concerned about a poor consumer reaction to launching a Chinese-made model in this country. Even if Buick officials are slightly apprehensive about the public perception, the concerns might not hold back the Envision in US. An anonymous source also tells The Detroit News that the brand intends to launch the CUV early next year and wants to sell around 40,000 of them annually. However, the UAW is reportedly not happy about the possibility of a Chinese-produced model coming here. The Envision launched at the Chengdu Motor Show as a step between the compact Encore and three-row Enclave. Power comes from a 2.0-liter turbocharged four-cylinder with stop/start and 256 horsepower and 260 pound-feet of torque. Buick offers the CUV with a six-speed automatic and all-wheel drive. The interior features active noise cancellation and an eight-inch infotainment system. The Envision also seems like a natural fit for Buick in the US due to the obvious hole in its CUV lineup, and the abundant rumors suggest that the brand sees the possibilities for it. The company now needs to decide whether to take a chance here and offer a vehicle from China.