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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, Lexus top J.D. Power survey, as vehicle service improves overall

Buick and Lexus returned to their customary place atop J.D. Power's scorecard of satisfaction with dealership service departments. In the Customer Service Index Study, out Thursday, Buick scored 860 on a 1,000-point scale for mass-market brands and has topped this ranking in three of the past four years. Lexus topped the list of luxury brands with a score of 874. Fiat and Land Rover were the bottom-dwellers in the two categories. Buick and Lexus also ranked highly in the research company's overall Vehicle Dependability Study rankings out recently. The customer experience at car dealerships has improved steadily, with the overall industry score rising in seven of the past eight years. And one statistic is particularly remarkable: 94 percent of customers say their car was fixed right the first time. The dominant area of difficulty in repairs seems to be infotainment systems. Only 80 percent of respondents said their stereo was fixed right the first time. And in last month's Vehicle Dependability Study, J.D. Power reported that infotainment systems were the most commonly reported vehicle issue, accounting for 22 percent of all problems reported, up 2 percent from the previous year. J.D. Power surveyed 70,000 customers for the Customer Service Index Study. For the Vehicle Dependability Study, it surveyed 35,186 first owners of 2014 model-year vehicles after three years of ownership. Below are charts for both the current study and the complementary overall brand dependability survey. Related video:

Opel did a great job on the 2018 Buick Regal

Ladies and gentlemen, the 2018 Buick Regal. The car you see is actually the Opel Insignia Grand Sport, but General Motors will bring it to the United States as the next-generation Regal virtually unchanged. The Insignia, revealed Wednesday by Opel, gets a sleek new design punched up with LED lights and sweeping proportions meant to conjure a fastback silhouette. It will debut in March at the Geneva Motor Show and launch next year in Europe. Expect the Regal to go on sale in the middle of 2017 in the US. The Opel-Buick relationship has been tight in the last decade, with the outgoing Regal earning strong praise for its German-tuned chassis and premium appearance. While Buick has been the recipient of much of Opel's work, the Insignia is now borrowing one of Buick's great names: Grand Sport. View 12 Photos Opel points to the Monza concept as the source of inspiration for the Insignia, though Buick will undoubtedly say the Avenir concept was the Regal's creative stimulus. Some think it looks like a Mazda. Mark Adams, vice president of GM Design Europe also oversees the automaker's global styling operations. "Its design combines flowing lines and subtle surfaces with crisp, precise lines to even exaggerate its dramatic proportions: it looks longer, lower, and wider than it actually is, and it definitely looks upscale," he said in statement. Expect similar thoughts for the Regal. Opel is also working on an Insignia wagon, which we've captured in spy photos before. We've also heard whispers that it will come to the US market with a Regal badge. Opel's announcement previews many of the details we'll see in the new Regal. Based on a new chassis, the Insignia is 386 pounds lighter than the previous car. The wheelbase is 3.62 inches longer and the track is .43 inches wider. Opel tapered the front and rear overhangs, so there's only a slight gain in overall length. The interior has more room, Opel says, and features a touchscreen with GM's IntelliLink system. The car will also have several drive modes, which tailor the chassis, throttle response, and shifting dynamics. Other technologies includes a head-up display, 360-degree camera, lane-keeping assist, adaptive cruise control, and cross-traffic alert. The Insignia will offer an eight-speed automatic transmission and all-wheel drive with torque-vectoring. We expect both to come to the US market. Meanwhile, another GM brand, Vauxhall, unveiled the Vauxhall Insignia for the British market.