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Last-ever Buick Grand National heads to Barrett-Jackson auction

This 1987 Buick Grand National brought the curtains down on a heap of General Motors history. When this black beauty rolled down the line at 5 p.m. on December 11, 1987, it represented the end of manufacturing at GM's Pontiac Assembly Plant after 60 years building cars. This was the last car to sit on GM's G-Body platform, having supported legendary names like Monte Carlo, Cutlass Supreme, and Regal. And this was the last-ever Buick Grand National, a big coupe that in just five years on the market had helped make the Buick Regal lineup an object of sincere lust among enthusiasts. Powered by a 3.8-liter turbocharged and intercooled 3.8-liter V6, the engine made 245 horsepower and 355 pound-feet of torque. The only car above it in the lineup was the exceptionally rare GNX, which made 276 hp and 360 lb-ft. The Buick Grand National is headed to the Barrett-Jackson auction block in Scottsdale next month.    Louisiana resident Bob Colvin bought this car from the factory. The Drive spoke to Colvin, who explained that then-GM President Roger Smith told him he could have the penultimate Grand National, but Buick planned to put the last car on display. When Colvin arrived at the plant, though, Colvin said the plant manager told him, "I'm running this plant and you've gone through the effort to be here. It will be a real celebration," and got him the last car made. As proof, a GM film crew followed the car down the line, plant workers and two GM execs signed various parts of the engine, including current GM President Mark Reuss. The car comes with all of the autographs and signage the autoworkers created to go with the car, as well as the original window sticker. Colvin and his wife built an addition onto their house to display the car. Save for a trip to the Buick Centennial Celebration in 2003, the Buick has lived in its special place all its life and has just 33 miles on the odometer. Behind the new-car plastic that shrouds the interior, the only flaw appears to be a tiny crack in the steering wheel center cap where a bolt might have been overtorqued. The car is being offered with no reserve, the pre-sale estimate landing right around the $500,000 mark. That would about double recent auction sales for low-mileage GNX's this year, but there's every reason to believe this car's one-of-one place in history could get auction paddles waving. 

1987 Buick Regal GNX driven just 54.8 miles heads to auction

The previously unimaginable prices for seemingly anything on any number of wheels continues to lure garage queens into the open. Here we have another Buick GNX headed to auction, this one Mecum's Summer Special in Orlando from July 6-9. Buick only made 547; it feels like half went to owners who never drove them. The last GNX auction we covered, in 2019 on Bring a Trailer, ended up grossing $200,000 for a model with 8.5 miles. This example has been driven much harder than that, praise be to enthusiasts, with 54.8 miles on the odometer. That means the original owner, who kept the coupe until 2017, got more than six times the use out of his GNX than the 2019 owner. Way to go. For those who haven't attended any classes on the Buick Regal GNX, allow us to summarize the subject matter. When Buick greenlit "a Grand National to end all Grand Nationals," out came the one-year-only 1987 GNX. A racier brand back then, it partnered with ASC/McLaren to work up the wheel lip flares, fender vents, 16-by-8-inch BBS rims, more aggressive tires, and the interior treatment. The Grand National trim used a 3.8-liter V6 making 245 horsepower and 355 pound-feet of torque hooked to a four-speed automatic. The GNX benefited from a larger Garrett T-3 turbocharger with a ceramic impeller, a larger intercooler, more aggressive fuel, spark, and waste gate tables, and a dual exhaust system that boosted output to what some say is an underrated 276 hp and 360 lb-ft.  This GNX headed to auction spices up the standard specs with the original order paperwork, window sticker, dealer invoice, ASC documentation, a GNX coffee table book, and a GNX jacket. That jacket could be the denim one or the high school varsity jacket with the cloth front and back and leather(ish) sleeves, which, sadly, didn't include Buick's attacking eagle logo of the time. We'd mention the black and sand gray cloth interior, power driver's seat and mirrors, and Delco Concert Sound stereo, but it's likely that the future owner won't spend much time with them. Likely fated to be a garage or show queen again, the jet black paint, "original parts stickers still affixed on suspension," and "original chalk markings throughout" will be the major points of interest. Mecum doesn't give a pre-sale estimate for this GNX, so we'll be waiting to find out if the 2019 sale price was an anomaly — well, more of an anomaly — or the new benchmark.

Is that a Cascada on Buick's Detroit show stand?

The above image is a close-up of one particular car spotted in a rendering that Buick provided of its stand at next week's Detroit Auto Show. Two doors, four seats, no top, deep and arcing shoulder line - any idea what that might be? We're going to guess it's the coming Buick Cascada, only we're stretching the definition of the word "guess" since the car is a dead ringer for the Americanized Opel droptop, which we drove more than a year ago. Looks like it's finally going to get the 'Official' treatment as a 2016 model, after it was shown to dealers last August. There have also been rumors that the car will be called Velite, but newer rumblings out of the Renaissance Center suggest that such gossip is a dead-end. The Cascada will enter a segment with no real competitors, since the Chrysler 200 ragtop is gone and a Buick convertible vs. Ford Mustang and Chevrolet Camaro convertibles isn't really a thing, and we think will make a nice expansion of the brand's model-range footprint. The big bit of news we're waiting for is what's going to power it, a Euro-sourced four-cylinder with 168 or 197 horsepower? We don't have long to wait to find out. Related Gallery 2013 Opel Cascada: Quick Spin View 50 Photos News Source: GM AuthorityImage Credit: Copyright 2014 AOL Detroit Auto Show Buick Opel Convertible Luxury Detroit buick cascada opel cascada