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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.

New Takata problem results in recall of 414 GM vehicles

An airbag-inflator rupture discovered by Takata during testing has resulted in a new recall affecting 414 vehicles from General Motors, including 395 of them in the US. This latest campaign covers 2015 model-year examples of the Buick LaCrosse, Cadillac XTS, Chevrolet Camaro, Equinox, Malibu, and GMC Terrain. There are no reported breaks in any of these vehicles on the road, and the company estimates only one percent of them actually have the faulty parts. According to documents submitted to the National Highway Traffic Safety Administration (as a PDF), one side-airbag inflator failed a cold test at -40 Fahrenheit "releasing high pressure gas and propelling the separated components apart." The supplier told GM about the failure the next day. In these vehicles, the safety device might not only burst but the bag could inflate incorrectly, as well. GM and Takata say that a cause is not yet known, but they are "conducting an investigation." GM will begin notifying affected owners via overnight mail on Oct. 19. Dealers will replace the side airbag modules on all of the affected vehicles with new components outside of the suspect lot. All of the removed parts will also be collected for further study. Takata's faulty front airbag inflators have resulted in a serious scandal for the supplier. Initial figures indicated 34 million US vehicles are need of repair, though more recent figures have knocked that down to 23.4 million bad parts in 19.2 million automobiles. GM was already among the dozen automakers with models to fix, and some of its pickups were affected, along with the Saab 9-2X and Pontiac Vibe. GM Statement: General Motors is recalling 395 cars and crossovers in the U.S. because one of the front seat side air bags inflators may be defective. In the event of a deployment, the air bag's inflator may rupture and the air bag may not properly inflate. The rupture could cause metal fragments to strike the vehicle occupants, potentially resulting in serious injury or death. GM is unaware of any incidents involving vehicles with these components, which were part of a lot in which one inflator failed acceptance testing at the supplier. Dealers will replace the side air bag module or modules in affected vehicles. Including Canada, Mexico and exports, the total population of the recall is 414, GM estimates 1 percent of the recalled vehicles may have the defect.

2017 Buick Encore freshens up for New York debut

Buick has rolled in to the New York Auto Show this year with a revised version of the Encore, bringing with it a series of revisions to what's billed as "America's most popular small SUV." Most obvious is the new front end that adopts the brand's latest design language with a fresh grille and headlamps – full LEDs on top-spec models. The taillights are also new, the exhaust tips are now chromed, the door mirrors color-keyed to the bodywork, and of course it all rides on a new set of wheels. The updates continue inside, where you'll find new trim, new gauges, and an eight-inch color touchscreen display to run the IntelliLink system that now supports Apple CarPlay and Android Auto as well as OnStar 4G LTE with on-board wifi. Buyers will be able to choose between five trim levels and between front- or all-wheel drive. There are three new exterior paint choices as well. The Encore is based closely on the European-market Opel Mokka, which was similarly revealed in updated form at the Geneva Motor Show just last month. In Buick guise, the Encore has only been on the market now for three years, but already stands as the brand's top seller. Last year it alone accounted for nearly one in every three vehicles Buick sold, and has risen 34 percent so far this year as well. Subtle though they may be, these updates ought to keep the Encore at the top of its game for another few years to come. View 5 Photos Related Video: 2017 Buick Encore Gets Latest Tech, Sculpted Design New LED headlights, Apple CarPlay, Android Auto for Buick's best-seller 2016-03-22 NEW YORK – Buick today introduced the new 2017 Encore, strengthening the appeal of America's most popular small SUV with more refined styling and new connectivity technology – including available Apple CarPlay and Android Auto compatibility. A new front-end appearance and a new premium interior highlight the visual refinements, while Apple CarPlay and Android Auto are supported by a next-generation IntelliLink system featuring an 8-inch-diagonal color touch screen. Push-button start, keyless unlock via the exterior door handles and an 8-inch color touchscreen highlight the Encore's roster of new standard features. "The Buick Encore created the premium small SUV segment and remains the top choice for customers seeking premium features and dependability coupled with timeless design," said Duncan Aldred, vice president of Buick Sales, Service and Marketing.