For sale at auction: Lot #446 - This 1970 Pontiac GTO convertible comes complete with PHS documentation fully disclosing that it is an authentic GTO convertible with a 400cid V8. It has a 4-speed manual transmission and has been upgraded with Judge options. 887 GTO convertibles with a 400cid V8 and 4-speed were made in 1970. Finished in Baja Gold with the original black vinyl interior. It has terrific options including power top, power steering, power front disc brakes, remote driver mirror, tilt steering wheel, dual exhaust, Rally wheels, power windows, AM radio, rear spoiler, front bucket seats, center console, remote trunk release and a Ram Air III 400cid V8.