1970 Mustang GT500 | Muscle Car FacebookTweetPin One of these 1970 Shelby GT500 Mustang Fastbacks sold for $220,000 USD last year at the Barrett-Jackson auction in Las Vegas, the rarity of the 1970 Shelby has helped the car gain markedly in value in recent years – only 789 were ever made. FacebookTweetPin Related 1969 Chevy Camaro 1968 Chevrolet Camaro RS/SS 1965 Ford Mustang Shelby GT500E 1971 Chevrolet Chevelle Hardtop | Muscle Car 1970 Dodge Challenger T/A 340 Six Pack