Buick Skylark, GS and GSX GSX (Skylark and Gran Sport 1965 to 1972)
24 sales on our records. Figures as of Nov. 11, 2026.
What it sells for
Middle half of sales$104,000 to $125,000
Median$116,000
Sales behind it4Likely
From 4 sales over the last 24 months. Hammer prices, before buyer's fees. Half sold between $104,000 and $125,000.
How it trades
- Auctions ended
- 1
- Sold
- 1
- For sale now
- 3
Latest 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 |
| 1970 Buick GSXMecum, Jan. 14, 2022 | Mecum | Jan. 14, 2022 | $157,500 |
| 1970 Buick GSXMecum, Jan. 13, 2022 | Mecum | Jan. 13, 2022 | $112,000 |
| 1970 BUICK GSXBarrett-Jackson, May 8, 2020 | Barrett-Jackson | May 8, 2020 | $75,000 |
| 1971 BUICK GSXBarrett-Jackson, Jan. 17, 2019 | Barrett-Jackson | Jan. 17, 2019 | $32,000 |
| 1970 BUICK GSXBarrett-Jackson, Jan. 20, 2018 | Barrett-Jackson | Jan. 20, 2018 | $127,000 |
| 1970 BUICK GSX COUPEBarrett-Jackson, Jan. 19, 2018 | Barrett-Jackson | Jan. 19, 2018 | $135,000 |
| 1970 BUICK GSXBarrett-Jackson, June 24, 2017 | Barrett-Jackson | June 24, 2017 | $100,000 |
| 1970 BUICK GSXBarrett-Jackson, Jan. 29, 2016 | Barrett-Jackson | Jan. 29, 2016 | $74,000 |
| 1971 BUICK GSX 2 DOOR HARDTOPBarrett-Jackson, Jan. 16, 2014 | Barrett-Jackson | Jan. 16, 2014 | $34,000 |
| 1971 BUICK GSX 2 DOOR COUPEBarrett-Jackson, Aug. 9, 2013 | Barrett-Jackson | Aug. 9, 2013 | $33,000 |
| 1972 Buick GSX 455RM Sotheby's, Aug. 3, 2013 | RM Sotheby's | Aug. 3, 2013 | $14,500 |
| 1970 BUICK GSX 2 DOOR COUPEBarrett-Jackson, April 6, 2013 | Barrett-Jackson | April 6, 2013 | $75,000 |
| 1971 BUICK GSX 2 DOOR COUPEBarrett-Jackson, April 5, 2013 | Barrett-Jackson | April 5, 2013 | $25,000 |
| 1970 BUICK GSX 2 DOORBarrett-Jackson, Jan. 21, 2012 | Barrett-Jackson | Jan. 21, 2012 | $80,000 |
| 1970 BUICK GSX 2 DOOR COUPEBarrett-Jackson, Sept. 25, 2010 | Barrett-Jackson | Sept. 25, 2010 | $60,000 |
| 1970 Buick Skylark GSX CloneRM Sotheby's, Sept. 5, 2010 | RM Sotheby's | Sept. 5, 2010 | $6,750 |
| 1970 BUICK GSX 2 DOOR HARDTOPBarrett-Jackson, Oct. 9, 2009 | Barrett-Jackson | Oct. 9, 2009 | $87,000 |
| 1970 BUICK GSX 2 DOOR HARDTOP CUSTOMBarrett-Jackson, Jan. 18, 2008 | Barrett-Jackson | Jan. 18, 2008 | $56,000 |
| 1970 Buick GSX 455RM Sotheby's, Feb. 11, 2007 | RM Sotheby's | Feb. 11, 2007 | $54,000 |
| 1970 BUICK GSX COUPEBarrett-Jackson, Jan. 19, 2005 | Barrett-Jackson | Jan. 19, 2005 | $49,000 |