In 1987, Buick, a brand typically associated with comfortable and luxurious vehicles, unleashed a beast upon the automotive world: the Buick GNX. This understated muscle car, entirely blacked out and radiating an aura of mystery, quickly earned legendary status amongst enthusiasts and collectors. But what makes the GNX so special, and why is it still revered today?
The Genesis of a Legend
The GNX’s story begins with the Buick Regal Grand National. Introduced in 1982, the Grand National was initially an appearance package for the Regal, but it steadily evolved into a more potent performance car. By 1984, it sported a blacked-out exterior, upgraded suspension, aluminum wheels, and, most significantly, a turbocharged V6 engine.
As the Grand National’s production neared its end in 1987, Dave Sharpe, Buick’s chief engineer, envisioned a final, limited-edition model that would be the ultimate expression of the Grand National’s performance potential. Thus, the GNX (Grand National Experimental) was born.
McLaren Magic: Engineering a Performance Icon
To transform Sharpe’s vision into reality, Buick turned to a partner known for its expertise in turbocharging and performance engineering: ASC McLaren. Having already established a relationship with Buick through their work on turbocharged V6 IndyCar engines, McLaren was the ideal collaborator.
The GNX received a significant power boost thanks to a high-performance Garrett turbocharger, an improved intercooler, and a revised engine management system. A free-flow exhaust system allowed the engine to breathe more freely, further contributing to the increased power output.
1987 Buick Grand National GNX Engine Bay
Beyond the Numbers: A Refined Driving Experience
While the engine upgrades were undoubtedly impressive, Buick and McLaren went beyond merely increasing horsepower figures. The GNX benefitted from a significantly enhanced transmission that could handle the increased power and torque.
Further enhancing its handling prowess, the GNX was equipped with rear-axle torque arms and a Panhard bar. These additions, along with larger tires and revised suspension tuning, significantly improved the car’s handling and stability, making it a true driver’s car.
1987 Buick Grand National GNX Rear View
A Wolf in Sheep’s Clothing: Understated Styling
The GNX’s visual presence mirrored its performance capabilities – understated yet menacing. Finished exclusively in black, the GNX’s most noticeable exterior change was its unique set of black lace alloy wheels. Functional front fender vents, a nod to classic Buick styling cues, hinted at the beast lurking beneath the hood.
Inside, the GNX retained the Regal’s comfortable interior but added a few unique touches, including a special GNX dash plaque indicating its limited-edition status.
1987 Buick Grand National GNX Interior
A Legacy of Performance and Exclusivity
Initially, Buick planned to produce only 200 GNXs, but the overwhelming demand forced them to increase production. However, even with 547 units built, the GNX remained a rare and highly sought-after car.
Today, the Buick GNX stands as a testament to Buick’s performance heritage and a reminder that even the most unassuming vehicles can harbor incredible performance potential. Its combination of power, handling, understated styling, and exclusivity ensures its continued status as a legend in the automotive world.
Interested in delving deeper into the world of classic cars? Explore more articles and discover the fascinating stories behind these automotive icons.