1957 Pontiac Bonneville Convertible
Sold at Mecum Auctions on May 15, 2026.
$137,500Confirmed
The price as reported by the house. Hammer price $125,000, before the buyer's premium. Read from the house's results Oct. 14, 2026.
The car
- Year
- 1957
- Make and model
- Pontiac Bonneville
- Generation
- Bonneville (1957 to 2005)
- Gearbox
- Automatic
- 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 83 comparable sales, 166% over its top.
Middle half of sales$16,500 to $47,000
Median$32,000
Sales behind it83Likely
From 83 sales of the Pontiac Bonneville (1957 to 2005) in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $16,500 and $47,000.
Closest sales
| Car | Auction | Date | Price |
|---|---|---|---|
| 1957 Pontiac Bonneville ConvertibleMecum, Jan. 16, 2026 | Mecum | Jan. 16, 2026 | $135,000 |
| 1957 Pontiac Bonneville ConvertibleMecum, Jan. 14, 2026 | Mecum | Jan. 14, 2026 | $95,000 |
| 1957 Pontiac Bonneville ConvertibleBring a Trailer, Sept. 12, 2025 | Bring a Trailer | Sept. 12, 2025 | $65,500 |
| 1957 PONTIAC BONNEVILLE CONVERTIBLEBarrett-Jackson, Jan. 24, 2025 | Barrett-Jackson | Jan. 24, 2025 | $75,000 |
| 1957 Pontiac Bonneville ConvertibleMecum, Jan. 18, 2025 | Mecum | Jan. 18, 2025 | $95,000 |
| 1958 Pontiac Bonneville ConvertibleMecum, March 19, 2026 | Mecum | March 19, 2026 | $80,000 |
| 1958 Pontiac Bonneville ConvertibleMecum, Jan. 10, 2026 | Mecum | Jan. 10, 2026 | $92,000 |
| 1958 Pontiac Bonneville HardtopMecum, Jan. 10, 2026 | Mecum | Jan. 10, 2026 | $62,000 |