A 1987 Buick GNX, No. 450 of just 547 built for a single model year, sold for $200,000 with 26 miles in 2024; two years and only 4 miles later, the 30-mile car sold again for $427,000
Inside, the GNX remains unmistakably rooted in its era. A three-spoke leather-wrapped steering wheel sits ahead of GNX-specific Stewart-Warner instrumentation. Some cars age and others simply become more expensive to own. A 1987 Buick GNX with barely 30 miles on its odometer has demonstrated just how dramatically collector demand can shift, selling for $427,000 after…