| Number of sales | 40 | Highest sale | $132,000 |
| Average sales value | $40,650 | Lowest sale | $5,145 |
| Auction Results For 2010 | Results | Auction |
| 1987 Buick Grand National (No reserve) Trans: Auto Ext Color: Black Int Color: Tan | $32,000 | 2010 Leake |
| 1987 Buick Regal GNX 276 bhp, 231 cu. in. turbocharged and intercooled V-6 engine with sequential multi-port fuel injection, GM Turbo-Hydramatic 200-4R automatic transmission with overdrive, independent front suspension with unequal-length A-arms, coil springs and anti-roll bar, live rear axle with four-link rear suspension including coil springs and stabiliser bar, and front disc, rear drum hydraulic brakes. Wheelbase: 108.1' | $70,909 (£44,800) | 2010 RM Auctions |
| 1987 Buick Grand National 2-Door (No reserve) | $15,500 (not sold) | 2010 Mecum |
| 1987 Buick Grand National (No reserve) Automatic | $9,500 (not sold) | 2010 Mecum |
| 987 Buick Grand National 2-Door (No reserve) | $26,000 | 2010 Mecum |
| 1987 Buick Grand National GNX 142 (No reserve) 276 HP, 4-Speed Automatic | $80,000 | 2010 Mecum |
| 1987 Buick GNX #172 Two Door (No reserve) Engine: V-6 CU IN: 231 HP: 320 Trans: Auto Ext Color: Black Int Color: Black / Gray | $61,000 (not sold) | 2010 Leake |
| 1987 Buick Grand National (No reserve) 350 HP, Automatic | $13,500 | 2010 Mecum |
| 1987 Buick Grand National 2-Door (No reserve) Turbo intercooled V-6 engine | $8,600 (not sold) | 2010 Mecum |
| 1987 Buick Regal GNX (No reserve) | $30,000 (not sold) | 2010 Mecum |
| 1987 Buick Regal Grand National Chassis Num: 1G4GJ117XHP43XXXX Est. 245 bhp, 231 cu. in. V6 engine with sequential-port fuel injection, air-to-air intercooler and GNX-specification turbocharger, Turbo-Hydramatic 200-4R automatic transmission with overdrive, independent front suspension with unequal-length A-arms, coil springs and stabilizer bar, live four-link rear axle, front disc and rear hydraulic drum brakes. Wheelbase: 108.1' | $17,600 | 2010 RM Auctions |
| 1987 Buick Grand National Customized T-Top (No reserve) Engine: V-6 CU IN: 3.6 HP: 450 Trans: Auto Ext Color: Black Int Color: Black / Gray | $8,250 | 2010 Leake |
| 1987 Buick Regal Grand National (No reserve) Turbo intercooled V-6 engine | $10,000 (not sold) | 2010 Leake |
| 1987 Buick Grand National 2-Door (No reserve) | $13,750 | 2010 Mecum |
| 1987 Buick Regal Grand National (No reserve) 265 HP | $15,500 | 2010 Mecum |
| 1987 Buick Regal T-Type Two Door Hardtop (No reserve) | $8,500 (not sold) | 2010 RM Auctions |
| 1987 Buick Grand National (No reserve) 3.8 liter turbo 265 HP, 4-Speed Automatic | $14,250 (not sold) | 2010 Mecum |
| 1987 Buick Grand National 2-Door (No reserve) Turbo Intercooled V6 | $14,250 | 2010 Mecum |
| 1987 Buick Grand National 2-Door (No reserve) 3.8 liter turbocharged engine with intercooler 245 HP, Automatic | $21,500 (not sold) | 2010 Mecum |
| 1987 Buick Grand National 2-Door (No reserve) | $12,000 | 2010 Mecum |
| 1987 Buick Grand National (No reserve) 265 HP, 4-Speed Automatic | $14,500 (not sold) | 2010 Mecum |
| 1987 Buick Grand National Coupe (No reserve) V6 turbo charged | $23,000 (not sold) | 2010 Mecum |
| 1987 Buick Grand National Two Door Coupe (No reserve) Engine: 6 Cyl CU IN: 238 Trans: Auto Ext Color: Black | $6,400 (not sold) | 2010 Leake |
| 1987 Buick Grand National Two Door Coupe (No reserve) Engine: 6 Cyl CU IN: 238 Trans: Auto Ext Color: Black | $7,500 (not sold) | 2010 Leake |
| 1987 BUICK REGAL GRAND NATIONAL 2 DOOR HARDTOP (No reserve) 3.8Liter 6 Cylinder Automatic | $33,000 | 2010 Barrett-Jackson |
| 1987 BUICK GNX 2 DOOR HARDTOP (No reserve) | $132,000 | 2010 Barrett-Jackson |
| 1987 Buick GNX | $58,850 | 2010 RM Auctions |
| 1987 BUICK REGAL 2DR COUPE Chassis Num: 1G4GJ11A2HP433570 (No reserve) | $5,145 | 2010 Palm Springs Exotic Car Auctions |
| 1987 BUICK REGAL 2 DOOR COUPE (No reserve) ENGINE - 6 Cyl; TRANSMISSION - Automatic BODY STYLE - 2 Door Coupe EXT COLOR - Black INT COLOR - Gray | $5,145 | 2010 McCormick's Auction |
| 1987 Buick Grand National Customized Roc Two Door T-Top (No reserve) Engine: V-6 CU IN: 3.8 HP: 450 Trans: Auto Ext Color: Black Int Color: Black / Gray | $12,800 | 2010 Leake |
| 1987 Buick Grand National GNX 2-Door (No reserve) | $59,500 | 2010 Mecum |
| 1987 Buick GNX Grand National 2-door (No reserve) Automatic | $60,000 (not sold) | 2010 Mecum |
| 1987 Buick GNX Grand National Coupe (No reserve) | $76,000 | 2010 Mecum |
| 1987 Buick GNX 2-door (No reserve) | $49,500 | 2010 Mecum |
| 1987 BUICK REGAL GRAND NATIONAL 2 DOOR COUPE (No reserve) 3.8 Liter 6 Cylinder, Automatic | $20,900 | 2010 Barrett-Jackson |
| 1987 BUICK REGAL GRAND NATIONAL COUPE (No reserve) 3.8 Liter 6 Cylinder, 4 Speed Automatic | $28,600 | 2010 Barrett-Jackson |
| 1987 BUICK GRAND NATIONAL 2 DOOR HARDTOP (No reserve) 3.8 Liter, 6 Cylinder, 4 Speed Automatic | $23,100 | 2010 Barrett-Jackson |
| 1987 BUICK GNX COUPE (No reserve) 3.8 Liter 6 Cylinder, 4 Speed Automatic | $75,900 | 2010 Barrett-Jackson |
| 1987 BUICK GNX 2 DOOR HARDTOP (No reserve) 3.8 Liter V6, 3 Speed Automatic | $68,200 | 2010 Barrett-Jackson |
| 1987 BUICK GNX 2 DOOR HARDTOP (No reserve) 3.8 Liter 6 Cylinder, Automatic | $104,500 | 2010 Barrett-Jackson |