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 7 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 September 2026, the median asking price for a Buick Grand National/GNX GNX is $179,900, with an average of $227,952. The middle 50% of listings (25th to 75th percentile) are priced between $178,675 and $300,000. The median mileage across active listings is 1,111 miles. Listings spend an average of 148 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: CO (2). Listings are sourced from eBay Motors (4), Classic.com (2), Facebook Marketplace (1).

Buick Grand National/GNX GNX Sales History

CarSearch.Pro tracks 178 historical Buick Grand National/GNX GNX sales from auction houses and dealer records. In 2026-Q1, the median sale price was $192,500 across 1 sales, up 3.5% from 2025-Q4 ($186,030).