You have to be very careful because many cars that are just "average" rank high in terms of theft (I don't know but GMC, Acura or a Dodge Viper are not exactly Ferrari or Maserati ;-)

Excluded vehicles:

AC Cobra, Acura, ARO, Aston Martin, Audax, Bentley, Berkeley Cars, Briklin, Bugatti,
Cadillac, Caterham, Chevrolet corvette, Dodge (Viper, Stealth), Coste, Daimler, De Lorean, De Tomaso, Donkervoort, Eagle,
Excalibur, Ferrari, Geo, Gillet, Ginetta, GMC, Graham Paige, GTM, Holden, Hudson, Hummer, Imola, Infiniti, Intermecanica,
International Harvester, Isdera, Jaguar, Jensen, Lamborghini, Lexus, Lincoln, Lotus, Maserati, Mac Laren, Mikrus, Mopar,
Morgan,Mega, Packard, Pierce Arrow, Porsche, Riley motor car, Rolls Royce, Stallion, Studebaker, Tucker,TVR, Venturi,
Wiesmann, Kit Cars