Buick GS 400 Convertible Market Value & Price History
The Buick GS 400 Convertible has a market value of $23,842 depending on year and condition, based on 6 verified auction sales across 1 model year (1968–1968). Individual examples have sold from $14,017 to $35,600. No sale since May 21, 2025, so these values may not reflect today's market.
Buick GS 400 Convertible Value by Year
What members see for the Buick GS 400 Convertible
The value above is the headline. Members get the full picture behind it.
- All 6 sold prices across every year, and where each one sold
- The live Value Signal, and how confident it is
- A 1–5 year value projection
- A Buy / Hold / Sell call
- An alert the moment one lists or sells
- The best and worst months to buy and sell
- An estimated market-bottom date
- Whether a for-sale ask is fair, the moment one lists
- Deal Radar: underpriced listings across the market
Not ready? A free account shows the current value and recent sale dates.
Recent Buick GS 400 Convertible Auction Results
| Sold | Year | Price | Mileage |
|---|---|---|---|
| May 21, 2025 | 1968 | $25,000 | 58,000 mi |
| May 1, 2024 | 1968 | $20,000 | 2,900 mi |
| Jul 30, 2023 | 1968 | $15,500 | 87,000 mi |
| May 20, 2022 | 1968 | $27,750 | 94,000 mi |
| Apr 17, 2020 | 1968 | $35,600 | 18,000 mi |
| Feb 6, 2004 | 1968 | $14,017 | — |
Buick GS 400 Convertible: Frequently Asked Questions
How much is a Buick GS 400 Convertible worth?
Buick GS 400 Convertible market values range from $23,842 depending on the model year, mileage, and condition. Recent auction sales span $14,017 to $35,600. No sale since May 21, 2025, so these values may not reflect today's market. See the year-by-year breakdown below.
Which Buick GS 400 Convertible year is best?
DriveIndex tracks the market value of every Buick GS 400 Convertible year (1968–1968), listed year by year on this page. Whether each year is appreciating, stable or depreciating is DriveIndex's Value Signal, a Pro feature, which also includes a 1–5 year projection.
How many Buick GS 400 Convertible sell per year?
DriveIndex has tracked 6 Buick GS 400 Convertible auction sales.
Where can I buy a Buick GS 400 Convertible?
DriveIndex tracks for-sale listings and auction results for the Buick GS 400 Convertible from the top auction houses and marketplaces.