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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 picks top 11 highlights from first 11 decades

Buick has taken the time to highlight some of the company's personal points of pride from the past 110 years. Those include everything from the automaker's very first vehicle, the 1904 Model B, to what Buick claims is the world's first concept car: The 1938 Y Job (above). That one also walked away with the worst name for a design study.
All told, the automaker has sold 43 million vehicles through the end of last year, and those include the lusty 1963 Riviera. That model celebrates its 50th anniversary in 2013, and remains one of the brand's most iconic designs.
Of course, Buick is rightfully proud of its quickest model, too. The 1987 GNX managed a 4.6-second bolt to 60 mph in tests by Car and Driver, and it also took the honor of being one of the automaker's rarest creations at just 547 units. You can check out all 10 in the gallery above.

These are the slowest-selling new cars of 2024

While overall sales numbers are a solid indicator of an automaker’s success, another metric can show how well its new vehicles resonate with buyers on the ground. iSeeCars recently released a list of the fastest- and slowest-selling new car companies on the market, and a handful of brands appear to have some catching up to do. Lincoln landed the “top spot” among slow-selling brands, taking an average of 82.6 days to move inventory. Infiniti wasnÂ’t much better, at 79.8 days, and Buick came third with 79 days to sell.  Slowest-selling new cars of 2024 Lincoln: 82.6 days to sell Infiniti: 79.8 Buick: 79 Audi: 75.1 Ram: 69.7 Ford: 68.1 Dodge: 67.4 GMC: 66.6 Acura: 65.4 Lexus: 64.5 iSeeCars executive analyst Karl Brauer noted that the fastest-selling brands, which include Toyota, Alfa Romeo, and Cadillac, likely move inventory because they resonate with buyersÂ’ desire for value and a compelling product. The study also noted that seeing GMC, Ford, and Ram so low on the list likely indicates slowing truck sales, which comprise a significant portion of those brandsÂ’ numbers. ItÂ’s also possible that buyers are turned off by higher prices from those brands. Fast-selling new car brands also appeared on the used car list, where Honda, Lexus, and Toyota dominated. Unfortunately for Lincoln, it also made the slow-selling used list, between Maserati as the slowest and Alfa Romeo in third. iSeeCarsÂ’ analysis also examined EV and hybrid sales and found that hybrids tend to sell much faster than their electric counterparts. In March 2024, new hybrids took an average of 49.5 days to sell, while EVs took 70.6 days. That again brings us to the price and value arguments, where hybrids are significantly less expensive than EVs, though charging and range concerns also likely play a role. By the Numbers Green Buick Infiniti Lincoln Car Buying