| 1940 Buick Special Series 40 SedanMecum, Sept. 24, 2026 | Mecum | Sept. 24, 2026 | $4,500 |
| 1937 Buick Series 40Mecum, Sept. 23, 2026 | Mecum | Sept. 23, 2026 | $10,000 |
| 1941 Buick Series 40 Special Touring SedanBring a Trailer, July 23, 2026 | Bring a Trailer | July 23, 2026 | $16,000 |
| Single-Family-Owned 1966 Buick Special Deluxe V8 Sport CoupeBring a Trailer, July 17, 2026 | Bring a Trailer | July 17, 2026 | $16,750 |
| 55-Years-Owned 1939 Buick Series 40 Special Business CoupeBring a Trailer, July 2, 2026 | Bring a Trailer | July 2, 2026 | $28,750 |
| 1966 Buick Special Deluxe V8 Sport CoupeBring a Trailer, June 22, 2026 | Bring a Trailer | June 22, 2026 | $12,500 |
| 1938 Buick Series 40 Special Town Cabriolet deVille by BrewsterBring a Trailer, May 19, 2026 | Bring a Trailer | May 19, 2026 | $38,554 |
| 1938 Buick Series 40 Special Sport SedanBring a Trailer, May 2, 2026 | Bring a Trailer | May 2, 2026 | $9,800 |
| LT1-Powered 1937 Buick Series 40 Special CoupeBring a Trailer, April 28, 2026 | Bring a Trailer | April 28, 2026 | $20,750 |
| 1941 Buick Series 40 Special SedanetBring a Trailer, Sept. 29, 2025 | Bring a Trailer | Sept. 29, 2025 | $12,500 |
| Fuel-Injected 1937 Buick Series 40 Special Touring SedanBring a Trailer, Sept. 28, 2025 | Bring a Trailer | Sept. 28, 2025 | $6,700 |
| 1939 Buick Series 40 Special Touring SedanBring a Trailer, Sept. 25, 2025 | Bring a Trailer | Sept. 25, 2025 | $20,000 |
| 1937 Buick Series 40 Special Convertible PhaetonBring a Trailer, Sept. 22, 2025 | Bring a Trailer | Sept. 22, 2025 | $10,000 |
| 1940 Buick Special Series 40 Convertible SedanMecum, Sept. 20, 2025 | Mecum | Sept. 20, 2025 | $30,000 |
| 1937 Buick Series 40 Special Convertible PhaetonBring a Trailer, Sept. 3, 2025 | Bring a Trailer | Sept. 3, 2025 | $10,250 |
| 32-Years-Owned 1936 Buick Series 40 Special SedanBring a Trailer, Aug. 9, 2025 | Bring a Trailer | Aug. 9, 2025 | $24,001 |
| 48-Years-Family-Owned 1930 Buick Series 40 Model 47 Sedan ProjectBring a Trailer, July 31, 2025 | Bring a Trailer | July 31, 2025 | $4,230 |
| 1940 Buick Series 40 SedanMecum, July 23, 2025 | Mecum | July 23, 2025 | $10,000 |
| 1939 Buick Series 40 Special Sport CoupeBring a Trailer, June 3, 2025 | Bring a Trailer | June 3, 2025 | $32,000 |
| 1939 Buick Series 40 Special Sport PhaetonBring a Trailer, March 2, 2025 | Bring a Trailer | March 2, 2025 | $46,500 |
| 1937 Buick Special Series 40 Convertible PhaetonBroad Arrow, Feb. 15, 2025 | Broad Arrow | Feb. 15, 2025 | $32,500 |
| 1951 Buick Special DeLuxe ConvertibleBring a Trailer, Feb. 13, 2025 | Bring a Trailer | Feb. 13, 2025 | $10,500 |
| 1936 BUICK SERIES 40Barrett-Jackson, Jan. 22, 2025 | Barrett-Jackson | Jan. 22, 2025 | $17,000 |
| 1939 Buick Series 40 Special Model 41 Touring SedanBring a Trailer, Nov. 13, 2024 | Bring a Trailer | Nov. 13, 2024 | $7,900 |
| 1937 Buick Series 40 Special Trunk Back SedanBring a Trailer, Oct. 15, 2024 | Bring a Trailer | Oct. 15, 2024 | $15,000 |
| 1939 Buick Special Series 40 Model 41 Touring SedanBring a Trailer, Oct. 7, 2024 | Bring a Trailer | Oct. 7, 2024 | $6,000 |
| 1939 Buick Special Series 40 Model 41 Touring SedanBring a Trailer, Aug. 3, 2024 | Bring a Trailer | Aug. 3, 2024 | $13,750 |
| 1939 Buick Special Series 40 Touring SedanBring a Trailer, April 5, 2024 | Bring a Trailer | April 5, 2024 | $13,000 |
| LS-Powered 1939 Buick Special Series 40 Model 41Bring a Trailer, Sept. 15, 2023 | Bring a Trailer | Sept. 15, 2023 | $125,000 |
| 27-Years-Owned 1936 Buick Series 40 Special SedanBring a Trailer, Aug. 28, 2023 | Bring a Trailer | Aug. 28, 2023 | $8,250 |