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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 applies for 'Enspire' trademark for the second time

When we wrote about the Buick Enspire concept debut in China earlier this year, we said "we wouldn't be surprised to see either an all-new crossover, or a redesigned current model, sporting the designs seen on this concept." Now it appears General Motors might be planning to go with Option A. GM Authority discovered a trademark application for the name "Enspire," to be applied to "Automobiles, excluding motor homes." This is the second time GM filed for the name, the first being in 2015. As always, applications don't mean certainties. However, we know Buick has a range of new models in development, it's losing the LaCrosse sedan and its crossovers sell quite well. If there's to be a new vehicle called Enspire, it shouldn't be hard to guess what kind it would be. GMA's previous investigations picked up clues that there'll be two new Buick crossovers, one about the size of the China-sourced Envision and sitting on the E2 platform that supports the Cadillac XT4, Chevrolet Malibu, and Buick Regal. Based on data in an IHS Automotive document, the site said the putative Enspire's platform code is E2UB, the U for utility vehicle, the B for Buick. The other crossover would sit above an Envision, below the Enclave, on the short-wheelbase C1 platform employed by the Cadillac XT5. We can probably take the Enspire concept's design cues as a preview of the future, if not its electric drivetrain. Designers carved the wide, formidable stance with curved and elongated versions of traditional Buick brand cues, such as the grille crossbar stretching into the headlights. A futuristic, art-filled and screen-heavy interior contrasts with genuine wood, and is probably best not to look at because Buick couldn't bring anything like it to production. The electric drivetrain included a 550-horsepower electric motor and enough battery to power a 370-mile range. Those figures seem a little outlandish given the potential price tag and the Buick badge. Besides, GM has other plans for a dedicated EV powertrain in development that should bow around 2021, and a Buick EV based on the Chevrolet Bolt's BEV II architecture. As such, a conventional powertrain seems more likely for an Enspire crossover, at least initially. The same IHS Automotive document said the E2UB vehicle would go into production in Shanghai in late 2019.

2020 Buick Encore GX pricing makes it a better bargain than the smaller Encore

In April, Buick revealed the Encore GX at Auto Shanghai. At the time, we thought there was a chance the slightly larger GX would supplant the Encore in the U.S. By August, we learned that wouldn't happen, the Encore GX slotting into the lineup between the Encore and the Envision. With nearly $8,000 between the starting prices of the Encore and the Envision, there'd be plenty of room for the GX to find a good home leaving plenty of MSRP daylight between the crossover bookends. That doesn't appear to be what's happened, though. CarsDirect got hold of an early order guide for the Encore GX, and writes that the Encore GX in Preferred trim will cost $24,100 before a $995 destination charge, totaling $25,095. That's $900 more than the entry-level Encore in 1SV trim, but $500 less than the Encore in comparable Preferred trim.    The Encore offers an intermediate Sport Touring trim between Preferred and top-level Essence trims. The Encore GX will come in an intermediate Select trim, which CarsDirect didn't mention a price for. Stepping up to the top Essence variant with front-wheel drive costs $29,495 for the Encore GX, $800 less than a similar Encore, which costs $30,295.   If these are the figures that show up on dealer lots, the Encore GX seems like a no-brainer. The Encore rides on an older GM platform called GEM, for Global Emerging Markets, the GX model is built on GM's new VSS-F architecture. Both are fine looking vehicles, but the GX is a little more handsome. The Encore offers one engine, a 1.4-liter four-cylinder with 138 horsepower and 148 pound-feet of torque, shifting through a six-speed transmission. The base engine on the Encore GX will be a 1.2-liter turbocharged three-cylinder with an estimated 137 hp and 166 lb-ft, shifting through a CVT. The second GX engine is a 1.3-liter turbocharged three-cylinder with an estimated 155 hp and 174 lb-ft, optional on the front-wheel drive Select and Essence trims, standard on every all-wheel-drive model. That more powerful motor shifts through a nine-speed automatic.  As if all that weren't enough, the GX's reason for being is that it offers more room. An additional three inches in length provides an extra 4.7 cubic feet of cargo room behind the second row. The GX wins on safety, too, coming standard with tech like forward collision alert, lane keep assist, lane departure warning, and automatic emergency braking.