| Number of sales | 3 | Highest sale | $1,245,580 |
| Average sales value | $1,013,290 | Lowest sale | $781,000 |
| Auction Results For 2012 | Results | Auction |
| 1930 Alfa Romeo 6C 1750 GS Testa Fissa Chassis Num: 8513089 (No reserve) ENGINE - 6 Cyl; 1752cc; 102hp TRANSMISSION - Four Speed Manual | $1,245,580 (£784,000) | 2012 RM Auctions |
| 1930 Alfa Romeo 6C 1750 Gran Sport Spider Chassis Num: 8513033 (No reserve) | 2012 Bonhams | |
| 1933 Alfa Romeo 6C 1750 Gran Sport Drop Head Coupe Chassis Num: 121215033 (No reserve) 1,752 CC DOHC Inline 6-Cylinder Engine Roots-Type Supercharger Single Memini Dual-Throat Carburetor 85 BHP at 4,500 RPM 4-Speed Manual Gearbox 4-Wheel Mechanical Drum Brakes Independent Front Suspension by Torsion Bars and Unequal Length Wishbones Live Rear Axle Suspended on Trailing Links and One-Piece Torsion Bar | $781,000 | 2012 Gooding & Company |