1970 Buick GS Convertible
Sold at Mecum Auctions on Dec. 6, 2025, offered with no reserve.
$44,000Confirmed
The price as reported by the house. Hammer price $40,000, before the buyer's premium. Read from the house's results Oct. 14, 2026.
The car
- Year
- 1970
- Make and model
- Buick Skylark, GS and GSX
- Generation
- Skylark and Gran Sport 1965 to 1972
- Version
- Gran Sport
- Gearbox
- Automatic
- Chassis
- 446670H266666
- Condition
- Good (3)Likely
Condition is our reading of the listing's description on Hagerty's 1 to 4 scale, not an inspection.
Against comparable sales
Inside the middle half of 50 comparable sales.
Middle half of sales$27,500 to $51,500
Median$37,500
Sales behind it50Likely
From 50 sales of the Buick Skylark, GS and GSX Gran Sport (Skylark and Gran Sport 1965 to 1972) in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $27,500 and $51,500.
Closest sales
| Car | Auction | Date | Price |
|---|---|---|---|
| 1970 Buick GSMecum, Oct. 24, 2026 | Mecum | Oct. 24, 2026 | $48,000 |
| 1970 Buick GS 455 CoupeBring a Trailer, Oct. 8, 2026 | Bring a Trailer | Oct. 8, 2026 | $31,250 |
| 1970 Buick GS ConvertibleMecum, Sept. 25, 2026 | Mecum | Sept. 25, 2026 | $62,000 |
| 1970 Buick GS 455 ConvertibleBring a Trailer, Sept. 11, 2026 | Bring a Trailer | Sept. 11, 2026 | $23,250 |
| 1970 Buick GS 455 CoupeBring a Trailer, June 25, 2026 | Bring a Trailer | June 25, 2026 | $39,100 |
| 1970 Buick GS ConvertibleMecum, May 16, 2026 | Mecum | May 16, 2026 | $130,000 |
| 1970 Buick GSMecum, Jan. 16, 2026 | Mecum | Jan. 16, 2026 | $37,000 |
| 1970 Buick GS ConvertibleMecum, July 26, 2025 | Mecum | July 26, 2025 | $66,000 |