B6 often refers to: Vitamin B6 B6 may also refer to: Transportation Automobiles A generation of Audi A4, manufactured from 2001 to 2005 A fully armoured version of the Bentley Arnage Series Two RL A member of the Mazda B engine series Aircraft Blackburn B.6 Shark, a British 1930s torpedo bomber Keystone B-6, a United States Army Air Corps bomber Lohner B.VI, an Austro-Hungarian World War 1 reconnaissance biplane Nakajima B-6, Nakajima designation for Bréguet 14 built under licence in Japan Republic B 6, Swedish designation for Republic 2PA fighter Other vehicles B6 (New York City bus), serving Brooklyn Bavarian B VI, an 1863 German steam locomotive model , a submarine of the Royal Navy , a submarine of Norway LNER Class B6, a class of British steam locomotives Roads B6 road (Cyprus), a road on the island of Cyprus B6 (Zimbabwe), a road in Zimbabwe Bundesstraße 6, a national highway in Germany Life sciences Vitamin B6, a water-soluble compound pyridoxine which takes several forms ATC code B06 Other hematological agents, a subgroup of the Anatomical Therapeutic Chemical Classification System C57BL/6, an inbred mouse strain Other uses B6 (musician), a Chinese DJ and music producer JetBlue Airways (IATA code B6) Bensen B-6, a small rotor kite from 1953 Pilcrow (¶) character, Url encoded version %B6 Proanthocyanidin B6, a B type proanthocyanidin An international standard paper size (125×176 mm), defined in ISO 216 6 amp, type B – a standard circuit breaker current rating, commonly used to protect domestic lighting rings B6, Villa Park, referring to UK post code for Aston, Birmingham See also 6B (disambiguation) B60 (disambiguation) BVI (disambiguation)