Best Buick Roadmaster Convertible Year to Buy
There is no single best Buick Roadmaster Convertible year: the right one depends on your budget and what you want from the car. Across 71 verified sales, the 1948 is the most affordable at $41,360. The 1957 trades most often (23 verified sales). No sale since Dec 21, 2025, so the 1948's value may not reflect today's market.
Data: DriveIndex. 3 model years with at least 10 verified sales each, latest sale Dec 21, 2025. Methodology
Ranked across the 3 years with at least 10 verified sales. Years with fewer are in the table below but too thin to rank.
Buick Roadmaster Convertible Value by Model Year
| Year | Value | Vs. original MSRP | Verified sales | For sale |
|---|---|---|---|---|
| 1957 Roadmaster Convertible | $74,800No comparable sale since Nov 2023 | — | 23 | — |
| 1955 Roadmaster Convertible | $82,225No sale since Mar 2023 | — | 16 | — |
| 1954 Roadmaster Convertible | $45,305No comparable sale since Oct 2023 | — | 9 · too few to rank | — |
| 1950 Roadmaster Convertible | $63,490No sale since Aug 2022 | — | 5 · too few to rank | — |
| 1949 Roadmaster Convertible | $49,331No sale since May 2023 | — | 8 · too few to rank | — |
| 1948 Roadmaster Convertible | $41,360No sale since Dec 2025 | — | 10 | — |
Value is DriveIndex's market value for each year, from verified sales. “Vs. original MSRP” compares it with the sticker price when new, not adjusted for inflation: 100% means it is worth exactly what it cost. Years with fewer than 10 verified sales are listed but not ranked.
Which Roadmaster Convertible year is appreciating?
The table shows what each year is worth. Pro adds the direction: the live Value Signal for every year, how confident it is, a 1–5 year projection, and every sold price behind it. Collector adds the best months to buy and an estimated market-bottom date.
Or see the best months to buy with Collector ($39.99/month), or start with a free account.
Best Buick Roadmaster Convertible Year: Frequently Asked Questions
What is the best Buick Roadmaster Convertible year to buy?
There is no single best Buick Roadmaster Convertible year: the right one depends on your budget and what you want from the car. Across 71 verified sales, the 1948 is the most affordable at $41,360. The 1957 trades most often (23 verified sales). No sale since Dec 21, 2025, so the 1948's value may not reflect today's market. The table on this page lists every model year with its market value, its value against its original MSRP and how many have sold.
Which Buick Roadmaster Convertible year is the cheapest?
The 1948 Buick Roadmaster Convertible is the most affordable year with enough verified sales to compare, valued at $41,360. No sale since Dec 21, 2025, so the 1948's value may not reflect today's market. The most valuable is the 1955, at $82,225. No sale since Mar 3, 2023, so the 1955's value may not reflect today's market.
How much is a Buick Roadmaster Convertible worth?
Depending on the model year, a Buick Roadmaster Convertible is worth from $41,360 to $82,225, based on verified sales. No sale since Dec 21, 2025, so these values may not reflect today's market. Mileage, condition and options move any single car's price; each year's page shows its recent sales.
Which Buick Roadmaster Convertible year is appreciating?
This page shows what each year is worth and how that compares with its original price. Whether each year is appreciating, stable or depreciating is DriveIndex's Value Signal, which Pro members see for every year along with a 1–5 year projection.