ⓘ911 · 901
📅 1964–1973O-series — the original 911 (badged 901 until Peugeot's naming objection); air-cooled flat-six growing from 2.0 to 2.7L, culminating in the 1973 Carrera RS 2.7.
ⓘⓘO-series — the original 911 (badged 901 until Peugeot's naming objection); air-cooled flat-six growing from 2.0 to 2.7L, culminating in the 1973 Carrera RS 2.7.