Back in 2008 Barrett-Jackson touted their "Barrett-Jackson Mini-Index" had outperformed the Dow Jones, S&P 500, and even gold over the previous five years. Their data showed a 16.4% return for collector cars vs 4.0% (S&P 500), 5.1% (Dow Jones), and 11.2% (gold). The press release by Barrett-Jackson makes it seem like classic cars are true investment opportunities until you read the details. The models used in this index are:
1957 Ford Thunderbird
1967 Jaguar XKE
1967 Ford Mustang Shelby GT500
1970 Chevrolet Camaro Z/28
1970 Plymouth AAR ‘Cuda
1965 Austin Healy MK III
1967 Chevrolet Corvette 427/435