Buick Grand National/GNX GNX Market Analysis — June 2026
Executive Summary
The market for the Buick Grand National/GNX GNX remains relatively stable, with a notable appreciation trend observed in recent quarters. The current median asking price is $189,900, reflecting a strong demand for this classic vehicle. An actionable insight for potential buyers is to focus on listings with lower mileage, as they command significantly higher prices.
Market Snapshot
- Current inventory: 5 active listings
- Median asking price: $189,900 (historical median: $142,000)
- Price trend: Insufficient data (0% YoY)
- Market velocity: 23 days average time on market
PRICE TRENDS & APPRECIATION
Analyzing the quarterly trends, the market shows signs of appreciation, particularly in Q3 and Q4 of 2025, where the average prices reached $208,943 and $181,225, respectively. The median price in Q3 2025 was $205,000, indicating a strong upward trajectory compared to earlier quarters. However, the sales count has been low, with only 1 sale in Q1 2026, which may hinder a definitive year-over-year price change analysis.
Auction Market Dynamics
The sell-through rate stands at 76.8%, indicating a healthy market where a majority of vehicles sold at auction. The median price for sold vehicles is $148,000, while the median high bid is $170,000, suggesting a reserve gap where sellers may have unrealistic expectations. The ratio of sold to unsold vehicles (116 sold vs. 30 unsold) indicates that while there is demand, sellers may need to adjust their pricing strategies to align with buyer expectations.
Configuration Value Guide
The data does not provide specific body style breakdowns, but the price by year indicates that the 1987 model commands the highest prices, with an average of $127,275 and a median of $104,250. This suggests that buyers should prioritize 1987 models when considering potential investments.
Mileage Impact
The mileage analysis reveals that vehicles with under 50,000 miles average $177,125, significantly higher than the average prices for higher mileage vehicles. This indicates that buyers are willing to pay a premium for lower mileage, reinforcing the importance of mileage in pricing strategy.
Regional Pricing
The geographic distribution shows a wide variance in average prices, with the highest average price of $244,950 for listings categorized as "Unknown." The lowest average price is $600 in the West region, which may indicate a need for further investigation into the quality and condition of these listings. Buyers should focus on regions with higher average prices for better quality vehicles.
Market Health Indicators
The average days on market is 23, with a median of 18 days, suggesting that listings are selling relatively quickly. The lack of price reductions indicates stable demand, while the introduction of 2 new listings this week suggests a steady supply entering the market.
Investment Outlook
Given the current market dynamics and appreciation trends observed in recent quarters, the Buick Grand National/GNX GNX appears to be a potentially appreciating asset class. However, the limited sales volume and insufficient year-over-year data necessitate a cautious approach. A hold recommendation is advised for current owners, while potential buyers should closely monitor market conditions.
Buying Recommendations
Prospective buyers should target 1987 models with lower mileage (under 50,000 miles) to maximize investment potential. A realistic bidding strategy should be employed, particularly in auctions, where the gap between sold and high bid prices suggests that buyers may find better deals by negotiating based on actual sold prices rather than high bids.
This analysis is generated from CarSearch.Pro's market database (157 historical sales, 5 active listings across 14 marketplaces) and refreshed automatically. It is market commentary, not financial advice.