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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.

Buick unveils new Verano hatchback in Guangzhou

This is a Buick Verano. We know, it doesn't look like a Verano – or at least not the version we get here. In fact it looks more like the new Opel Astra with a Buick grille. Which makes sense, because that's pretty much what it is. The vehicle you're looking at is the new Buick Verano Hatchback, unveiled just days ago at the Guangzhou Motor Show in China – arguably the only market that matters as much to the brand as the United States. Like the sedan revealed this past April in Shanghai, the hatchback is a newer model than the US-market version, based on the new Opel Astra, but with that signature waterfall grille. Otherwise, it looks virtually identical to the version sold as an Opel in Europe and a Vauxhall in the UK. Buick will be offering two versions of the Verano hatch in China. The base model pairs a 1.5-liter inline four good for 117 horsepower and 108 pound-feet of torque to a six-speed dual-clutch transmission. The sportier Verano GS packs a more potent version of the same engine, rated at 166 hp and 184 pound-feet and paired to a seven-speed DSG. That's enough to propel it to 62 in 8.8 seconds, but displacing less than 1.6 liters, both versions come in under the Chinese tax threshold so they're taxed 50-percent less. Between the Verano and Astra, we've now seen this new model in three different body-styles being sold in markets around the world. The sedans, hatchbacks, and wagons seem to be proliferating like so many jackrabbits, but keep hopping away just out of reach. So here's hoping that the next leap it takes will be to US showrooms. Related Video: Buick Launches Verano Hatchback and Verano GS Priced from RMB 145,900 to RMB 205,900 2015-11-18 Guangzhou – Buick launched the new Verano Hatchback and Verano GS this evening in Guangzhou, China. The five variants of the two newest members of the Verano family are priced from RMB 145,900 to RMB 205,900. Buick's 740 dealerships across China have begun accepting pre-orders. The new Verano models have trendy, sporty styling along with European car-like handling, premium interiors and advanced technology. They are targeted at younger trend-setting consumers who are looking for a driving experience that is "born with sportiness." Stylish and sporty exterior The Verano Hatchback and Verano GS have adopted Buick's latest design language for sport sedans. The brand's signature waterfall grille has taken on a creative frameless design, with a newly added piano black finish.