1970 Buick GSX 455
Sold at RM Sotheby's on Feb. 11, 2007.
$59,400Confirmed
The price as reported by the house. Hammer price $54,000, before the buyer's premium. Read from the house's results Oct. 26, 2026.
The car
- Year
- 1970
- Make and model
- Buick Skylark, GS and GSX
- Generation
- Skylark and Gran Sport 1965 to 1972
- Version
- GSX
- Chassis
- 446370H293064
Against comparable sales
Below the middle half of 4 comparable sales, 93% under its bottom.
Middle half of sales$104,000 to $125,000
Median$116,000
Sales behind it4Likely
From 4 sales of the Buick Skylark, GS and GSX GSX (Skylark and Gran Sport 1965 to 1972) in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $104,000 and $125,000.
Closest sales
| Car | Auction | Date | Price |
|---|---|---|---|
| 25-Years-Owned 1970 Buick GSX 455 CoupeBring a Trailer, Feb. 22, 2026 | Bring a Trailer | Feb. 22, 2026 | $112,000 |
| 1970 Buick GSXMecum, May 16, 2025 | Mecum | May 16, 2025 | $140,000 |
| 1970 BUICK GSXBarrett-Jackson, Jan. 23, 2025 | Barrett-Jackson | Jan. 23, 2025 | $80,000 |
| 1971 Buick GSXMecum, Jan. 17, 2025 | Mecum | Jan. 17, 2025 | $120,000 |