Misallocation

1984 BUICK GRAND NATIONAL T-TOP CUSTOM COUPE

Sold at Barrett-Jackson on April 18, 2024, offered with no reserve.

$29,150Confirmed

The price as reported by the house. Hammer price $26,500, before the buyer's premium. Read from the house's results Nov. 2, 2026.

The car

Year
1984
Make and model
Buick Regal, Grand National and GNX
Generation
Regal G-body 1978 to 1987
Version
Regal Grand National
Gearbox
Automatic
VIN
1G4AK4792EH575361
Condition
Excellent (2)Likely

Condition is our reading of the listing's description on Hagerty's 1 to 4 scale, not an inspection.

This car's full record

Against comparable sales

Below the middle half of 81 comparable sales, 25% under its bottom.

Middle half of sales$33,000 to $61,000
Median$40,350
Sales behind it81Likely

From 81 sales of the Buick Regal, Grand National and GNX Regal Grand National (Regal G-body 1978 to 1987) in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $33,000 and $61,000.

Closest sales

Closest comparable sales
CarAuctionDatePrice
1984 Buick Grand NationalMecum, July 23, 2026MecumJuly 23, 2026$19,000
1984 Buick Grand NationalMecum, Jan. 14, 2026MecumJan. 14, 2026$27,000
1984 Buick Grand NationalPCARMARKET, July 31, 2025PCARMARKETJuly 31, 2025$29,999
1985 Buick Grand NationalMecum, Sept. 23, 2026MecumSept. 23, 2026$29,500
1984 Buick Grand NationalBring a Trailer, June 29, 2026Bring a TrailerJune 29, 2026$25,500
Modified 1985 Buick Grand NationalBring a Trailer, June 4, 2026Bring a TrailerJune 4, 2026$29,750
1986 Buick Grand NationalMecum, Sept. 23, 2026MecumSept. 23, 2026$33,000
1986 Buick Grand NationalBring a Trailer, July 10, 2026Bring a TrailerJuly 10, 2026$80,500

This car's historyConfirmed

Matched across sales by VIN.

DateWhat happenedWhereMilesPrice
April 18, 2024Sold (this sale)Barrett-JacksonBarrett-Jackson$29,150
Jan. 14, 2026SoldMecumMecum$29,700