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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.

GM trademarks 'Sport Touring' for Buick Regal, LaCrosse

Discovering trademarking or patents from automakers always fascinates us since the filings hint at the possible future of motoring. Based on two recent applications, Buick has something possibly brewing for two of its sedans, because the company now has the trademark for Sport Touring on the Regal (pictured above in GS trim) and LaCrosse. According to GM Inside News, both trademarks are dated April 27 and are simply described to the US Patent and Trademark Office as being for "motor land vehicles, namely, automobiles." That doesn't narrow things down at all. However, since the moniker is specifically for both sedans, Sport Touring might be a new trim or special edition for them. Buick had no comment when reached by Autoblog. Of course, there are a whole host of automotive trademarks that are claimed that end up with no actual vehicle in showrooms. Unfortunately, we just have to wait to find out if this is another case like the Buick Enclave Tuscan where the filing offers a preview of the future or a situation like the still long-awaited return of the Supra.

Spy photos of the upcoming Buick Regal wagon, via the Opel Insignia

We're pretty sure Buick is working on a Regal wagon. And because the Regal is the Opel Insignia on the other side of the pond, these spy photos show us what's in store when it eventually turns into a Buick. The rakish wagon was lightly camouflaged, giving us our best look at the upcoming vehicle. The wagon shares a lot of the same design cues as the Insignia sedan that we spotted earlier. The bottom of the front end is covered in heavy camouflage, masking the wagon's grille. It's unsure to tell whether the black nostril-like pieces sitting above the grille are vents or just tape. The prototype still shares the same upright nose as the model we spotted earlier, giving the wagon a wider stance than its predecessor. The side profile of the wagon is sleeker, thanks to the extra four inches between the axles, than the current model is, with the design mimicking that of a shooting brake instead of a traditional wagon. The rear end of the wagon is also more upright with the taillights and bottom part of the fender jutting out beyond the glass. The boxy design sitting atop of the rear end doesn't match the rest of the vehicle and appears to be a part of the car's camouflage. With the tunnel-like design at the top gone, the rear end would have a more streamlined design. With the next Regal expected to continue on as a rebadged Insignia, the likelihood of a Regal Wagon in the US look good, but aren't set in stone. Late last year, Buick filed two trademarks for "Tourx" and "Regal Tourx," pointing towards a high-riding wagon with all-wheel drive. Imagine these spy shots with a taller suspension and some crossover-inspired trim pieces and you have a wagon that could take on the likes of the Subaru Outback and Audi Allroad. Related Video: Featured Gallery 2018 Opel Insignia Grand Sport Tourer Spy Shots View 10 Photos Image Credit: CarPix Design/Style Spy Photos Buick GM Opel Wagon Luxury opel insignia