I
53 makes
I-Im
In-Iz

I-Im
    Iden                 GB  1904  1908   Iden Motor Car Co.Ltd., Coventry, Warwickshire
    Iena                 IT  1922  1925   n/a
    IFA                 DDR  1946  1965   n/a
    IHC                 USA  1911         n/a

I.H.C. Auto Buggy (1911)

    IKA                 ARG  n/a          n/a
    Ikenga              USA  ~1970's      n/a
    Ilberg              SWE  1951         Stig ilberg, Sillerud (one home-build car)
    Ilford               GB  1902  1903   Ilford Motor Car & Cycle Co., Ilford, Essex
    Illinois            USA  1910  1912   The Overholt Co. Galesburg Ill.
    Immish               GB  1894  1897   n/a
    Imp                 USA  1949  1959   International Motor Products Co., Glendale Ca.
    Imperia             BEL  1906  1948   n/a
    Imperial             GB  1900  1905   Imperial Autocar Manufacturing Co.Ltd., London
    Imperial            USA  1903  1905   Imperial Auto. Co. Detroit Mich.
    Imperial            USA  1903  1905   Rodgers & Co. Columbus O.
    Imperial             GB  1904  1905   n/a
    Imperial            USA  1907  1908   Imperial M. C. Co. Williamsport Pa.
    Imperial            USA  1909  1915   lmperial Auto. Co. Jackson Mich.
    Imperial             GB  1914         Implitico Ltd., Blackfriars Road, London
    Imperial            USA  1926  1992   Chrysler Corp.

Imperial CH Speedster (1932)

    IMV                SLOV  1972         n/a Revoz
In-Iz

    Independent         USA  1920  1927   n/a
    Indian              USA  1928  1929   Indian Motorcycle Coo., Springfield Mass.
    Indiana             USA  1921         n/a
    Infiniti            JAP  1989  now    Nissan Motors Co.Ltd., Tokyo. Nissan luxury brand
Infiniti Q45 (2003)

    Ingersoll-Rand      USA  1921         n/a
    Inland              USA  1920         n/a
    Innes               USA  1921         Henry L. Innes, Jacksonville Fl.
    Innocenti            IT  1961         Nouva Innocenti S.p.A., Milano De Tomaso since 1976
    Innotech             CZ  1993  now    Innotech International s.r.o., Jaromer

Innotech Mysterro (2000)

    Intermeccanica       IT  1959  1975   n/a
    International        GB  1900  1904   International Motor Car Co.Ltd., London
    International       USA  1907  1911
                             1961  1980   n/a
    Inter-State         USA  1908  1918   Inter-State Auto. Co. Muncie Ind.
    Invicta              GB  1901  1905   H.E.Richardson, Finchley, London
    Invicta              GB  1914         Clarks Eng. Wrks Ltd., Leamington Spa, Warwickshire
    Invicta              GB  1925  1937
                             1947  1949   Invicta Car Co.Ltd., Virginia Water, Surrey

Invicta 3 Litre (1927)

    Iota                 GB  1951         Iota Racing Cars, Clifton, Bristol, Gloucestershire
    Iowa                USA  1908  1909   Iowa M. C. Co. Kellogg Ia.
    Iris                 GB  1906  1925   Legros & Knowler, Willesden Junction, London
    Irmscher             DU  n/a          Irmscher GMBH. Remshalden (Opel tuner)
    Iroquois            USA  1905  1908   Iroquois M. (C.) V. Co. Syracuse N.Y.
    Isdera               DU  1982  now    Isdera, Büsnauer Strasse 40, 71229 Leonberg

Isdera Commendatore (1983)

    Iso (Isetta)         IT  1953  1975   n/a
    Isotta Fraschini     IT  1899  1946
                             1996  2000   n/a

Isotta Fraschini 8A SS (1930)

    Isuzu               JAP  1939  now    Isuzu Motors Ltd. 6-26-1, Shinagawa-ku, Tokyo

Isuzu Rodeo (1999)

    Itala                IT  1903  1934   n/a
    ItalDesign           IT  n/a          n/a
    Italia               IT  1907  1908   n/a
    Ivel                 GB  1899  1906   Dan Albone, Biggleswade, Bedfordshire
    Ivernia              GB  1920         n/a
    Ivor                 GB  1912  1916   n/a
    Izhmash             RUS  1966  now    IZHMASH-AVTO, Avtozavodskaya St., Izhevsk