I4

I4, i4, I 4 or I-4 may refer to:

Arts, entertainment, and media[edit]

I-4: Loafing and Camouflage, a Greek film

Military[edit]

1st Life Grenadier Regiment (Sweden) (1816–1927), a Swedish infantry regiment
Japanese submarine I-4, a World War II Type J1 submarine of the Imperial Japanese Navy
Life Grenadier Regiment (Sweden) (1928–1997), a Swedish infantry regiment
Tupolev I-4, a 1927 Soviet aircraft

Science and technology[edit]

I-4 satellite
i4, an integer in XML-RPC

Transportation[edit]

I4 engine, a piston engine
Interstate 4, an interstate highway in Florida
BMW i4, a German mid-size electric sedan
Interstate Airlines, by IATA airline designator
LB&SCR I4 class, a British locomotive

See also[edit]

iPhone 4, a smartphone

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