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The last Buick Cascada unceremoniously rolls off the assembly line

Motorists in the market for a new Buick Cascada need to act fast. Peugeot-owned Opel has built the last example of the drop-top model in its Gliwice, Poland, factory, and there's no replacement in sight. Buick announced the Cascada's demise in early 2019, and GM Authority learned the model went out unceremoniously. There's no indication that the final example received a commemorative plaque on its dashboard, or is headed to a private collection; photos of it aren't even available. The dealership who ordered it might not know it's about to receive the last specimen of the breed. As a non-luxury, front-wheel-drive convertible, the Cascada was marooned on an island that Buick's rivals abandoned halfway through the 2010s. The Chrysler 200 Convertible and the Volkswagen Eos were discontinued after the 2014 and 2015 model years, respectively. Landing in a class of one likely raised more than a few eyebrows in Buick's product planning division, but it was a semi-enviable position that helped the firm sell about 17,000 units of the Cascada between the 2016 and 2019 model years. It proudly pointed out about 60 percent of buyers were new to General Motors. Left-hand-drive examples of the Cascada were sold under the Buick and Opel banners. Right-hand-drive models joined the Vauxhall range in the United Kingdom, and they wore a Holden emblem in Australia. The four flavors were identical with the exception of some brand-specific trim pieces and powertrains. None will get a successor; the aforementioned carmakers are no longer operating under the same roof, and the global convertible segment is steadily shrinking.  The Cascada's multinational provenance made more sense before General Motors sold its Opel and Vauxhall divisions to PSA Groupe, the Paris-based carmaker that owns Peugeot, Citroen and DS. The French firm pledged to keep producing cars for Buick for as long as necessary, but the former sister companies tacitly agreed to stop co-developing vehicles. The sedan and station wagon variants of the Regal are now the only Opel-designed, PSA-built model left in the the Buick portfolio.

Question of the Day: Best recipient for supercharged GM V6?

The good old Buick V6 engine was built from 1961 through 2008 (including a decade of production by Kaiser-Jeep) and went into way too many General Motors vehicles to list here. In 1991, the supercharged version of the 3800 was introduced, with a Roots-style Eaton blower on top, and now you can find these engines in just about every junkyard in North America. The 3800 shares a bellhousing pattern with the also-made-by-the-zillions GM 60° V6 engine, which means that it will install (with varying levels of sledgehammer clearancing and/or axle mix-and-matching) into plenty of GM vehicles that never received the 3800 from the factory. That means one thing: engine swaps! An excellent example of this is the 1992 Chevrolet Lumina APV "Dustbuster" minivan, which is a fully caged high-performance road-racing machine that features a supercharged 3800 and 5-speed manual transmission under its long, vacuum-cleaner-snout-like hood. The RaceVan, in Springfield Monorail livery, will compete this weekend at the Michigan 24 Hours of LeMons race with Autobloggers Mike Austin, David Gluckman, and Alex Kierstein at the wheel. My personal choice for supercharged 3800 power, though, has to be the Cadillac Cimarron, preferably the not-so-sought-after Cimarron d'Oro Edition. Some bashing and welding and cutting and pasting and this lightweight Cavalier sibling could have well over double its original horsepower. So, what's your blown 3800 engine-swap choice? Related Video: Auto News Buick GM v6 question of the day questions engine swap

Buick Avenir concept struts into Motown

We love auto show surprises, and Buick has already gifted us a sparkly package on the eve of the 2015 Detroit Auto Show. Dubbed Avenir, this four-door concept is said to signal the future of the Trishield brand by previewing a possible flagship sedan. Incorporating time-honored Buick design hallmarks like the sweep-spear profile, Ventiports, and even a subtle boattail rear-end, the four-place sedan is powered by a surprisingly real-world powertrain – namely a next-generation V6 with cylinder deactivation and stop/start, with the most interesting part of the driveline arguably being a "twin-clutch all-wheel-drive system" and a nine-speed automatic gearbox with paddle shifters. Make no mistake, this is a big car. At 204.5 inches long, it's longer than a standard-wheelbase Cadillac Escalade – a span that's emphasized by the car's long hood and waterfall grille – though it's not quite as wide. While clearly a showcar, the beautifully crafted interior looks largely produceable, including attributes like a next-generation 12-inch touchscreen infotainment system and 4G LTE wifi, but we suspect a production car would pick up a third rear seatbelt and give away some of its flowing contours that are said to have been "inspired by nature and sea waves receding on a beach." No word yet on whether there's actually a showroom future for a car like this – it could simply be an exercise designed to test the waters for a next-generation LaCrosse. After all, sedans aren't exactly popular concept fodder these days, especially as crossovers continue to eat into traditional sedan sales in many of the world's markets. However, China still loves the coddling rear seats of a proper four-door sedan (which in this case include silk and bamboo elements), and with a majority of Buick sales happening in the People's Republic, the Asian nation controls the destiny of this General Motors brand. Said another way? Anything is possible, especially with General Motors known to be working on a large flagship sedan for Cadillac already – the Avenir is reportedly based on the same Omega architecture that will underpin the forthcoming CT6. What do you think? Is this a promising direction for the resurgent Buick? Scroll through our gallery, check out the video, and then have your say in Comments.