1973 Buick Riviera GS
Sold at Mecum Auctions on Sept. 21, 2023.
$40,700Confirmed
The price as reported by the house. Hammer price $37,000, before the buyer's premium. Read from the house's results Oct. 14, 2026.
The car
- Year
- 1973
- Make and model
- Buick Riviera
- Generation
- Riviera boattail 1971 to 1973
- Gearbox
- Automatic
- Chassis
- 4Y87U3H548728
- 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
Above the middle half of 17 comparable sales, 51% over its top.
Middle half of sales$18,500 to $24,500
Median$22,000
Sales behind it17Likely
From 17 sales of the Buick Riviera boattail 1971 to 1973 in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $18,500 and $24,500.
Closest sales
| Car | Auction | Date | Price |
|---|---|---|---|
| 1973 Buick Riviera GSBring a Trailer, Sept. 30, 2026 | Bring a Trailer | Sept. 30, 2026 | $18,500 |
| 1973 Buick Riviera GSBring a Trailer, Aug. 11, 2026 | Bring a Trailer | Aug. 11, 2026 | $18,000 |
| Modified 1973 Buick RivieraBring a Trailer, April 11, 2026 | Bring a Trailer | April 11, 2026 | $23,000 |
| Modified 1973 Buick RivieraBring a Trailer, Feb. 27, 2026 | Bring a Trailer | Feb. 27, 2026 | $18,500 |
| 1973 Buick RivieraMecum, Jan. 13, 2026 | Mecum | Jan. 13, 2026 | $20,000 |
| 1973 Buick Riviera GS Stage 1Mecum, Nov. 15, 2025 | Mecum | Nov. 15, 2025 | $26,000 |
| 1972 Buick RivieraBring a Trailer, Sept. 11, 2026 | Bring a Trailer | Sept. 11, 2026 | $50,000 |
| 23-Years-Owned 1972 Buick RivieraBring a Trailer, July 7, 2026 | Bring a Trailer | July 7, 2026 | $33,250 |