The Peyote is a two-door muscle car found in Grand Theft Auto IV that looks like a 1955-1957 Ford Thunderbird but the front, with its stacked headlights, resembles a Facel Vega. The 1967 Ford Fairlane or Galaxie (with bigger lights and reduced grilles) also comes to mind, and the lights on the front bumper might be from 1959 Fords. The Peyote is available in coupe and convertible versions.
It is not one of the more powerful or stable cars in its class. Cops sometimes call it a "jalopy."