W.O. Bentley Vintage Six

SOHC inline-6, 4 valves/cyl6.6 L (6,597 cc); 8.0 L (7,983 cc)Naturally aspirated1926–1932147–220 hp

Designed by W.O. Bentley. 6½ Litre (1926) → Speed Six (1928, the most successful pre-war racing Bentley — Le Mans 1929 & 1930) → 8 Litre (1930, W.O.’s magnum opus, guaranteed 100 mph). Last all-new pre-Rolls-Royce-takeover Bentley engine.