Circa 1987, the Buick GNX was GM's fastest production sedan ever and remains among Detroit's quickest and most collectible vehicles of all time. It was created to commemorate the final production run of the Buick Grand National. It's a little bolder in appearance and it has considerable mechanical improvements. 1987 was the only production year and 547 were made, all optioned identically with a serialized plaque on the dash
In a collaboration between Buick and ASC/McLaren, Grand Nationals were assembled at the Buick assembly line and brought to ASC for the conversion. The 547 were allocated to dealerships based on their previous sales. The word was out that the GNX was even faster than the Grand National so dealerships enjoyed marking them up well above their sticker price of $29,290. Some famous customers were Burt Reynolds, Reggie Jackson, and Charles Schwab.
Since everyone knew the GNX was a collector car, a sizeable share were purchased on speculation. Many are still "on the lam" in garages across the country with almost no miles on them. Others were treated like any daily driver, built into track cars, or even wrecked. No idea how many are left, but you probably won't encounter one outside a car show.
Click below to learn more about the enhancements to the GNX :
Under The Hood: powerplant, driveline, ecmBody & Suspension: rear axle, wheels
Cosmetic & Instrumentation: flares, louvers, ID plates, IP
Performance: some figures and explanationsMemorabilia: models, books, collectibles
Pictures & Files: a small collection of pics and the ECM file
Magazine Articles: magazine articles and other writeups
FAQ's (always under construction)
"My GNX": mods, tips, enhancements, and experiences that may help other owners (always under construction)
EZ Board Forum for GNX-Specific Messages post messages, for sale listings, or even "page" owners
Featured Links (more links here)
Click the icon to view GNX information on these 2 sites:GNX current NADA market value
GNX merchandise auctions (filtered)
The GNX Files: Rob Wilson maintains a registry, some unique pictures of the conversion at ASC.
Click this icon for THE most complete Buick Turbo resource on the web. A wealth of information on technical, parts, media, etc... I could reference links to this site all day, so if you're into Turbo Buicks, GO THERE.
The two main Turbo Buick bulletin boards (click the icon):
Co-developer McLaren is proud to include the GNX in their Heritage section or click on the icon to start at their home page.
Co-developer ASC claims the GNX as the "worlds fastest car from 0-60" their Showcase and Heritage sections or click the icon to start at their home page.
Last edit: June 6, 2002
The Fine Print
Certain pictures are intentionally poor quality or altered to discourage unscrupulous cloning or to reproduce memorabilia that is still for sale by the manufacturer. Some subtle mechanical characteristics have also been withheld for the same reason. Thanks for looking!
Please email me with additions, corrections, links, etc at the address on the FAQ page. Please skim the FAQ page before emailing, as I get alot of the same questions. Thanks!
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