The definitive resource for the 1987 Buick Grand National.
In 1987, Buick didn't just build a car. They built a legend. For one glorious year, the "doctors' car" became a certified Corvette killer.
Clad in sinister all-black paint and powered by the legendary intercooled 3.8L V6 Turbo, it famously embarrassed Ferraris and Lamborghinis of its era.
At BuickGN.us, we believe in keeping the boost building. Whether you are looking to restore a barn find to showroom glory or modify your GN for 10-second quarter miles, you have found your home.
Comprehensive technical guides, wiring diagrams, and vacuum line schematics specifically for the '87 model.
Buy and sell verified Grand Nationals, T-Types, and hard-to-find OEM parts.
A database tracking surviving VINs, RPO codes, and ownership history.
From "Spring Cleaning" basics to Alky Control kits and precision turbos�how to make your GN fly.