Buick Grand National/GNX GNX

Buick Grand National/GNX GNX Market Overview

Built by Buick from 1987-1987, the Buick Grand National/GNX GNX is tracked across 5 active listings from 3 marketplaces including eBay Motors, Bring a Trailer, Cars & Bids, AutoTrader, CarGurus, Cars.com, and Facebook Marketplace. Each listing is analyzed by AI for quality, value, and condition.

Buick Grand National/GNX GNX Pricing Data

As of June 2026, the median asking price for a Buick Grand National/GNX GNX is $18,600, with an average of $91,050. The middle 50% of listings (25th to 75th percentile) are priced between $18,600 and $189,900. The median mileage across active listings is 14,000 miles. Listings spend an average of 129 days on market before selling or being removed.

Where to Find a Buick Grand National/GNX GNX

The highest concentration of Buick Grand National/GNX GNX listings by state: CA (4). Listings are sourced from Facebook Marketplace (4), eBay Motors (1), Classic.com (1).

Buick Grand National/GNX GNX Sales History

CarSearch.Pro tracks 218 historical Buick Grand National/GNX GNX sales from auction houses and dealer records. In 2026-Q2, the median sale price was $18,550 across 9 sales, down 15.7% from 2026-Q1 ($22,000).