Buick Grand National/GNX Market Analysis — June 2026
Executive Summary
The Buick Grand National/GNX market is currently stable, with a year-over-year price increase of 3.8%. The average asking price for active listings suggests a healthy demand, but the disparity between sold and high bid prices indicates that some sellers may have unrealistic expectations.
Market Snapshot
- Current inventory: 80 active listings
- Median asking price: $49,000 (historical median: $39,000)
- Price trend: Stable (3.8% YoY)
- Market velocity: 65 days average time on market
PRICE TRENDS & APPRECIATION
Analyzing the quarterly trends, the market has shown stability with fluctuations in sales and prices. For instance, in Q4 2025, the median price was $40,625, while in Q1 2026, it increased to $44,475. However, Q2 2026 saw a slight decrease in sales count to 9, with a median price of $41,987. Overall, the average price across recent quarters indicates a stable market, with no significant appreciation or depreciation observed.
Auction Market Dynamics
The sell-through rate stands at 73.8%, indicating a relatively healthy auction market. The median price for sold vehicles is $38,875, while the median high bid is $40,000, suggesting a reserve gap where sellers may be expecting higher prices than buyers are willing to pay. The ratio of sold (537) to unsold (132) vehicles indicates that while there is demand, some sellers may need to adjust their expectations to align with market realities.
Configuration Value Guide
The body style breakdown shows that the Coupe configuration is the most common, with 16 listings averaging $79,319 and a median price of $56,494. In terms of model year premiums, the 1987 model commands the highest average price at $58,026, followed by the 1986 model at $53,500. This suggests that buyers are willing to pay a premium for later models, particularly the 1987 Grand National.
Mileage Impact
Mileage significantly impacts pricing, with vehicles under 50,000 miles averaging $68,945, while those between 50,000 and 100,000 miles average $45,291. Vehicles with over 100,000 miles average $38,697, indicating that buyers are willing to pay a premium of approximately $23,654 for low-mileage examples.
Regional Pricing
Geographic distribution shows that the West region has the highest average price at $61,628, while the Northeast has the lowest at $38,321. This suggests potential arbitrage opportunities for buyers in the Northeast who may find better deals compared to the West.
Market Health Indicators
The average days on market is 65, with 13 new listings this week and 15 listings experiencing price reductions. This indicates a moderate supply level but suggests that some sellers may be struggling to find buyers at their asking prices. The sell-through rate of 73.8% further supports the notion of a stable market, though the presence of price reductions indicates some softness in demand.
Investment Outlook
Given the stable trend direction and slight year-over-year appreciation, the Buick Grand National/GNX remains a viable investment. However, potential investors should be cautious of the reserve gap observed in auction outcomes, which may indicate that while the market is stable, some sellers are overvaluing their vehicles.
Buying Recommendations
Prospective buyers should focus on the 1987 and 1986 models, particularly those with lower mileage (under 50,000 miles) to maximize value. Target price ranges should be between $40,000 and $50,000 for well-maintained examples. Buyers should also be prepared to negotiate based on the observed reserve gap in auction outcomes, aiming for realistic bidding strategies that reflect current market conditions.
This analysis is generated from CarSearch.Pro's market database (870 historical sales, 80 active listings across 14 marketplaces) and refreshed automatically. It is market commentary, not financial advice.