Still, Buick only built 2,000 of the 1984 model and 2,102 for the 1985. At total of 5,512 were made in 1986, a year that saw the Grand National come with some upgrades. It could go from zero to sixty in 4.8 seconds and crossed the quarter=mile in 13.7 seconds, making it quicker than Chevy’s Corvette by one second, according to Buick.
Seeing the trend towards to front-wheel drive cars, Buick decided to end the GN’s run while it was on top, but not before doing something a little different. It built 20,740 1987 GNs, took 547 of those, and made them into a limited production variant known as the GNX.
The GNX had a special engine tuned by Indy race car builder ASC McLaren. This revved-up version was a 3.8-liter V6 turbo intercooled engine that produced 276 hp. In May 1987, Car and Driver reportedly “recorded a 4.7-second zero-to-60-mph run and a 13.5-second quarter-mile at 102 mph.” The GNX also came with a unique “hinged torque arm” in the rear that kept the wheels on the ground by applying more than a ton of downward force.
According to Hagerty, a Concours condition ’87 Buick Regal Grand National is worth $91,600, up 18.7% over the last year, while one in excellent shape is worth $68,200, a hefty 29.9% increase from the previous year. Classic.com reported one selling as recently as January 14, 2023, for $110,000. The model year, condition and mileage will swing the value considerably.
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