1963 Buick Skylark Base Hardtop 2-door 3.5l on 2040-cars

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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.

2018 Buick Enclave slims down for spy shots

Most vehicles are refreshed every five years or so. New technology and styling is required to keep up with the latest trends. Although this cycle is common, there are some vehicles, like the Buick Enclave, that seem to stick around far past their expiration date. We now have spy shots of what appears to be the nine-year old Enclave's replacement. Although the vehicle in the photos is completely covered in camouflage, we can make out the new Buick family grill. There are a set of LED running lights up front and what appear to be a location for foglights toward the bottom. The camo covering is cut in places to allow gaps for sensors, presumably for parking and other driver aids. Out back, the rectangular taillights don't appear to be production ready. The whole rear, especially the glass, looks smaller than the outgoing model, though it is difficult to properly tell through the camouflage. The rear bumper has wide cuts for the dual exhaust pipes, and again the camo has cutouts for sensors. The side profile reveals the biggest change with the new Enclave. The current version shares a platform with the Chevrolet Traverse and the original GMC Acadia, some of the largest vehicles on the market. The all-new 2017 Acadia scaled down in order to compete against midsize crossovers and now has more in common with the smaller, Chinese-built Buick Envision. That doesn't mean the Enclave and Acadia are entirely separate. Both the Enclave and upcoming Traverse will ride on a stretched version of the Acadia platform. The general profile remains the same, but it's apparent that the vehicle in these photos is longer than the new GMC. Most other details are speculation. The Enclave will most likely arrive with GM's 3.6 liter V6. With the introduction of the Envision, the Enclave is expected to move upmarket to compete against the Acura MDX and Volvo XC90. Because of the slightly narrower shape, passenger seating is expected to fall to seven. The new crossover will probably lose a bit of weight with the redesign. The new Buick is expected to debut next year as a 2018 model. Look for the reveal of the Chevrolet Traverse replacement as well. Related Video: Featured Gallery Buick Enclave Spy Shots View 20 Photos Spy Photos Buick Crossover

Next-gen LaCrosse, Cascada convertible coming to Buick showrooms in 2016

It's difficult to overstate how significant the post-bankruptcy years have been for General Motors' Buick brand. Arguably the most improved American automaker, Buick has rounded out its range with an excellent compact in the Verano, a well-balanced midsizer in the Regal and a segment-busting mini-CUV, with the Encore. Seeking to keep that momentum going, the next several years will see the brand address a trio of its most obvious issues. First and foremost will be a replacement for the aging LaCrosse, a vehicle whose only bit of attention since its 2009 debut was a very light refresh in 2013. According to Automotive News, we should expect the next-generation LaCrosse to arrive late next year or early in 2016, as a 2016 model. AN expects big design changes, as Buick attempts to further the LaCrosse from its popular platform-mate, the Chevrolet Impala. The changes won't be so radical, though, as to do away with its front-drive architecture, as the latest version of the Epsilon platform will underpin the next LaCrosse. The 3.6-liter V6 is likely to carry on, although a smaller, budget-minded offering is also extremely likely (we'll eat our hat if it's not the 2.0-liter, turbocharged four-cylinder from the Regal, Verano and Cadillac CTS et al.). The other issue plaguing Buick's lineup is a lack of a midsize crossover. This is particularly damning for the brand as most of its showrooms are shared with GMC, which boasts its own midsizer in the form of the Terrain. With the upcoming Envision (see here for teasers), that problem should be addressed. Like the LaCrosse, the Envision will likely be a 2016 model. It will debut and launch in China early next year, while we can expect it to arrive stateside later next year, or even early in 2016. For American consumers, both a 2.5-liter four-cylinder and the aforementioned 2.0T could see action in the Envision. Finally, while Buick can boast a pair of vehicles available with manual transmissions, it's still far from what we'd call a brand for fun driving experiences. Of course, one way of solving that problem is with a two-door convertible. Yes, it's extremely likely that the Euro-market Opel Cascada convertible will be sold in the US early in 2016. Whether it keeps the Cascada name is unclear (all in favor of Skylark, say "aye"). Regardless, adding a reasonably priced, relaxed, two-door droptop to the Buick range to fill the space left by the not-so-dearly departed Chrysler 200 Convertible seems like a no brainer.