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Buick really wants us to know the new Cascada convertible won't leak

Quality testing on the factory floor is nothing to joke about. Automakers need to make sure the work being done is up to snuff, and that means some extensive checks. For Buick, that means using a lot of water for each of its Cascada convertibles. Each vehicle that rolls off the floor is subject to a high-pressure, ten-minute soaking that sprays nearly 20 gallons of water from each nozzle during every bath, just to guarantee the fabric roof hasn't sprung any leaks. For some reason, Buick has chosen to show off this testing with the help of what we imagine is the Gorton's Fisherman's baby cousin. Check out the strange testing video, available up top.

Buick and Bar Refaeli teach in-car yoga

We're not sure which make or model you'd most readily associate with yoga. You'd probably see a fair few Mercedes convertibles, VW Beetles, and assorted minivans and crossovers outside your typical American yoga studio. But not to be left out of the contorting action, Buick is out to link itself to the age-old practice with these latest videos. They feature, as you can see, the ever lithe and supple Bar Rafaeli, clad in spandex, stretching and contorting herself inside and out of a Buick Verano. Which is really all you should need to know, but there's a little more to the clip above (and the behind-the-scenes video below) than eye candy. Choreographed by yoga guru Chad Dennis, the idea behind the video – cleverly entitled The Body Shop – is to show drivers, in as artful and visually pleasing a way as possible, how to limber up their body, mind, and soul in preparation for (or recovery from) a long drive. It also serves to promote the brand's new 24 Hours of Happiness test drive program that lets prospective buyers take a Buick home and try it out for a day before buying. And if nothing else, it aptly demonstrates that Buick has excellent taste – or at least as good as Sports Illustrated that gave the Israeli model her first big break, Leonardo DiCaprio whom she dates for several years, and the dozens of fashion labels, jewelry brands, and magazines for which she's posed in recent years.

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.