There were fast rides before the GTO, but Pontiac made performance affordable, bringing muscle cars to the masses.

This 1965 "Goat" rolled off the assembly line in Iris Mist, a rare, one-year-only color. Now it also packs a beefed-up V8.

two-door, intermediate cars with powerful V-8 engines. The Pontiac GTO, introduced in 1964, is considered the first Golden Age muscle car, but there were certainly rides that preceded it ...