The best vintage and classic cars for sale online is holding auctions for various vehicles, including a Godzilla-Powered Superformance MKIII, a Coyote-Powered 1967 Ford Mustang GT500CR, and a 6k-Mile 2004 BMW M3 Coupe. Other auction items include a Backdated 1986 Porsche 911 Carrera Coupe, an Ex–The House of Muscle 2018 Dodge Challenger SRT Demon, and a 15k-Mile 1997 Lotus Esprit V8.