1940 Buick Series 80 Limited Convertible Phaeton
Sold at RM Sotheby's on Oct. 9, 2025, offered with no reserve.
$48,400Confirmed
The price as reported by the house. Hammer price $43,214, before the buyer's premium. Read from the house's results Oct. 26, 2026.
The car
- Year
- 1940
- Make and model
- Buick Roadmaster
- Generation
- Roadmaster (1936 to 1996)
- Chassis
- 13786521
- Condition
- Excellent (2)Likely
Condition is our reading of the listing's description on Hagerty's 1 to 4 scale, not an inspection.
Against comparable sales
Above the middle half of 80 comparable sales, 48% over its top.
Middle half of sales$8,313 to $29,250
Median$14,065
Sales behind it80Likely
From 80 sales of the Buick Roadmaster (1936 to 1996) in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $8,313 and $29,250.
Closest sales
| Car | Auction | Date | Price |
|---|---|---|---|
| 1941 Buick Series 70 Roadmaster Convertible CoupeBring a Trailer, Oct. 13, 2025 | Bring a Trailer | Oct. 13, 2025 | $79,219 |
| 1939 Buick Series 80 Roadmaster PhaetonBring a Trailer, Aug. 24, 2025 | Bring a Trailer | Aug. 24, 2025 | $37,000 |
| 1941 Buick Roadmaster Series 70 Convertible CoupeBroad Arrow, Feb. 15, 2025 | Broad Arrow | Feb. 15, 2025 | $105,000 |
| 1938 Buick Series 80 Roadmaster Touring SedanBring a Trailer, April 16, 2026 | Bring a Trailer | April 16, 2026 | $18,538 |
| 1938 Buick Series 90 LimousineMecum, Jan. 9, 2026 | Mecum | Jan. 9, 2026 | $29,000 |
| 1938 Buick Roadmaster Series 80 Fernandez et Darrin Opera BroughamBroad Arrow, Feb. 15, 2025 | Broad Arrow | Feb. 15, 2025 | $240,000 |
| 1936 Buick Roadmaster Series 80 Town CarMecum, Sept. 20, 2025 | Mecum | Sept. 20, 2025 | $23,000 |
| 1947 Buick Roadmaster Estate Woodie WagonBring a Trailer, April 20, 2026 | Bring a Trailer | April 20, 2026 | $31,000 |