| Comparables From 1989 - Similar Average Sales | Average Sale |
| Bentley Eight | $18,175 |
| Bentley Turbo R | $16,797 |
| BMW 635 CSi | $16,664 |
| Chevrolet Corvette C4 | $15,938 |
| Saleen Mustang SSC | $48,125 |
| Lotus Esprit | $24,316 |
| Mazda Miata | $16,500 |
| Pontiac Firebird | $23,490 |
| Rolls-Royce Silver Spur | $20,883 |
| Studebaker Avanti II | $20,400 |
| Spider Quadrifoglio Model Year Averages | Average Sale |
| 1988 Alfa Romeo Spider Quadrifoglio | $10,096 |
| 1987 Alfa Romeo Spider Quadrifoglio | $8,750 |
| 1986 Alfa Romeo Spider Quadrifoglio | $13,199 |
| 1989 Alfa Romeo Vehicles | Average Sale |
| Alfa Romeo Spider Veloce | $6,566 |
| Similar Sales to the $19,972 range | |
| 1900 RIDEL MOTORIZED BICYCLE Sold for $20,000 2024 Gooding & Co: Selections From The Mullin Collection Auction | |
| 1914 TERROT MOTORETTE Chassis# : 7286 Sold for $20,160 2024 Gooding & Co: Selections From The Mullin Collection Auction | |
| 1956 PACKARD CLIPPER Chassis# : 56671896 Sold for $19,800 2024 Barrett-Jackson : Palm Beach | |
| 1988 CHEVROLET MONTE CARLO SS CUSTOM COUPE Chassis# : 1G1GZ11G9JP113792 Sold for $19,800 2024 Barrett-Jackson : Palm Beach | |
| 2010 MASERATI QUATTROPORTE Chassis# : ZAM39FKAXA0051725 Sold for $19,800 2024 Barrett-Jackson : Palm Beach | |
| 1978 FORD F-250 SUPERCAB PICKUP Chassis# : X25JKCA3048 Sold for $19,800 2024 Barrett-Jackson : Palm Beach | |
| 1985 FORD F-150 CUSTOM PICKUP Chassis# : 2FTDF15H2FCB23840 Sold for $19,800 2024 Barrett-Jackson : Palm Beach | |
| 1974 VOLKSWAGEN THING CONVERTIBLE Chassis# : 1842468524 Sold for $19,800 2024 Barrett-Jackson : Palm Beach | |
| 2008 BMW M6 CONVERTIBLE Chassis# : WBSEK93548CY79324 Sold for $19,800 2024 Barrett-Jackson : Palm Beach | |
| 1986 DODGE SHELBY OMNI GLH-S Chassis# : 1B3BZ18E2GD267276 Sold for $19,800 2024 Barrett-Jackson : Palm Beach | |
| 1955 BUICK SUPER RIVIERA CUSTOM HARDTOP Chassis# : 5B1116541 Sold for $19,800 2024 Barrett-Jackson : Palm Beach | |
| 2008 Cadillac XLR Convertible Chassis# : 1g6yv36a185601070 Sold for $19,800 2024 Mecum : Houston | |
| 2007 Hummer H2 SUV Chassis# : 5grgn22u37h109896 Sold for $19,800 2024 Mecum : Houston | |
| 2007 Mercedes-Benz SL550 Convertible Chassis# : wdbsk71f87f132041 Sold for $19,800 2024 Mecum : Houston | |
| 1985 Chevrolet El Camino SS Chassis# : 3gccw80h7fs902937 Sold for $19,800 2024 Mecum : Houston | |
| 2007 Ford Shelby GT Chassis# : 1zvht82h175293557 Sold for $19,800 2024 Mecum : Houston | |
| 2004 Chevrolet Silverado Pickup Chassis# : 1gcec14x84z100052 Sold for $19,800 2024 Mecum : Houston | |
| 1985 Chevrolet K20 Pickup Chassis# : 1gcgk24m8fs152753 Sold for $19,800 2024 Mecum : Houston | |
| 1996 Chevrolet Impala SS Chassis# : 1g1bl52p2tr125761 Sold for $19,800 2024 Mecum : Houston | |
| 1963 Pontiac Bonneville Hardtop Chassis# : 863s18224 Sold for $19,800 2024 Mecum : Houston | |