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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.

Next-generation Buick Enclave spotted with Wildcat looks

The rollout of GM's next-generation three-row large SUVs is well under way with the reveals of the 2024 Chevy Traverse and GMC Acadia. Another vehicle on the platform is also getting a redesign soon, according to these spy photos: the Buick Enclave. It's still going to be big, and it will now receive the same sort of Wildcat concept-inspired styling as smaller Buicks such as the Envista and Encore GX. The Enclave's front is where the Wildcat connection is the most clear. It has the pointy shark nose and wide, frowning grille. It's hard to say whether it will get a mesh grille like some of the production SUVs, or a slatted grille like the concept. High up are slender daytime running lights with the actual illuminating headlights hidden lower in the outboard air intakes. We're not totally sure if this look will work on such a large, tall vehicle, but we'll reserve final judgment when we can see the car with all its paint and trim on display. The sides of the Enclave still have a fair bit of the Coke bottle curves that have appeared on every Enclave, if a bit more toned down. The greenhouse seems to take after the GMC Acadia more than the Traverse, as it seems it has a relatively thin C-pillar. The D-pillar looks quite thick, which will probably be toned down with judicious application of gloss black plastic.  Details of the rear are difficult to make out. It seems to have slim, wide and curvy rear taillights. The rectangular exhaust tips are nicely fitted to the rear bumper. But that's about all that stands out. We're expecting the Enclave to have basically the same powertrain as the GMC Acadia, with the one engine offering being a turbocharged 2.5-liter four-cylinder with 328 horsepower and 326 pound-feet of torque. It should be paired with an eight-speed automatic and either front- or all-wheel drive. Odds are it will not get an off-road variant like the Acadia AT4 or Traverse Z71. But it might get a sportier road-going version that could take advantage of the torque-vectoring dual-clutch rear differential from those aforementioned off-roaders. It should also be revealed sometime next year with deliveries likely in the same year. Related video:

Buick adds Sport Touring trim to sedan lineup

Buick has made a few tweaks to its sedan lineup today, announcing that a new Sport Touring trim will be offered on the LaCrosse, Regal, and Verano. It's best to think of the new Sport Touring models as Buick's answer to Chevrolet's limited range of RS models, focusing on very small style changes rather than any added performance. Best to leave that to the Regal GS, we guess. For the ST trim, Buick has fitted its three four-doors with new 18-inch wheels. These relatively sporty hoops get machined faces with black inserts, like those offered on the Encore Sport Touring and the Enclave Tuscan Edition. Also coming to the LaCrosse, Regal, and Verano Sport Touring is a new rear spoiler. Like we said, these are simple styling packs meant to spice up the staid but handsome exteriors of the brand's sedans. "These new ST models underscore the importance of design choices, while complementing the safety, refinement and connectivity technologies that are drawing new customers to Buick dealerships," Buick VP Duncan Aldred said in the attached statement. The new trim level will be available on all three vehicles this fall, with prices to be announced closer to the on-sale date. Scroll on for the official presser from Buick. Related Video: Buick Expands 2016 Sport Touring Lineup Distinctive sedans join Enclave Tuscan Edition, Encore Sport Touring DETROIT – Buick unveiled 2016 LaCrosse, Regal and Verano Sport Touring (ST) models today – sedans with distinctive exterior cues designed to set them apart from the pack. Each features special 18-inch wheels with machined faces and black "pockets," and a rear spoiler. They join the Enclave Tuscan Edition and recently announced Encore Sport Touring as special models expanding Buick's lineup with more design-focused choices. "Buick is reaching an all-new generation of customers by reinventing itself in terms of design, function and capabilities," said Duncan Aldred, vice president of Buick. "These new ST models underscore the importance of design choices, while complementing the safety, refinement and connectivity technologies that are drawing new customers to Buick dealerships." The new Sport Touring sedans – and Encore Sport Touring – go on sale this fall. LaCrosse Sport Touring includes Buick IntelliLink with Apple CarPlay capability, OnStar 4G LTE connectivity with Wi-Fi hotspot, remote start, eight standard air bags (including rear-seat thorax air bags) and leather-trimmed seats – with heated front seats.