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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 mulling Chevy Cruze hatchback for US, Buick 'Panamera' among other new models

We've spoken at length previously about the fallacy of poor hatchback sales in the US, and with the runaway success of its Chevrolet Cruze sedan, it's somewhat unsurprising to hear that General Motors is rethinking its decision not to sell an overseas five-door variant in North America as it looks to plug a number of holes in its lineup. GM North American President Mark Reuss admitted during a media luncheon this week that not offering the model "... was a pre-bankruptcy planning mistake," says Forbes. With the next-generation model already well-along in development, it's likely that the current Cruze hatch (shown above) won't see US dealers.
Reuss admits not offering the model "was a pre-bankruptcy planning mistake"
In what must have been a far-reaching conversation, Reuss hinted at a number of new products for many GM brands, including "a much more beautiful Panamera" range-topper for Buick (which sounds a bit like the line of reasoning the TriShield brand has been pursuing with its Riviera concepts) and a "Ford Transit Connect-fighter" to supplant the recently announced badge-engineered Chevy City Express from Nissan.

2019 Buick Envision starts just under $33,000

Buick has announced that prices for its new 2019 Envision will start at $33,985 (including destination), positioning the refreshed compact SUV right between its best-selling Encore entry-level crossover and more upmarket Enclave and taking aim at competitors including the Lincoln MKC and Acura RDX. The Envision will be offered in five trim levels — Envision, Preferred, Essence, Premium and Premium II, which starts at $45,590 — when the crossover goes on sale this spring. Prices exclude tax, title, license, dealer fees and optional equipment. We told you recently about the optional new nine-speed Hydra-Matic 9T50 automatic transmission and 2.0-liter turbocharged four-cylinder on the top two trim levels. The upgraded engine offers 252 horsepower and 295 pound-feet of torque. The standard setup remains the 197-hp 2.5-liter inline four-cylinder engine making 147 lb-ft of torque and mated to a six-speed automatic, offered in front- or all-wheel drive. The crossover gets a new winged Buick emblem on the grille, new headlamps and newly sculpted front and rear facias, plus optional 19-inch wheels. It also gets a Buick-first tire-fill alert that signals when a tire has reached the recommended pressure level. Standard technology features include an in-vehicle air ionizer to eliminate odors, a switch to turn off its fuel-saving engine stop feature, rear-park assist, an 8-inch diagonal infotainment system and 4G LTE WiFi hotspot. By dropping the starting MSRP by nearly $1,000, GM says the Envision is now better positioned against its top-selling Encore (starting MSRP $22,990), for which nearly 60 percent of buyers come from outside the automaker's stable of brands. Related Video: