J
55 makes
J-Je
Ji-Ju

J-Je
    J & M               USA  1909         J & M M. C. Co. Lawrenceburg Ind.
    Jackson             USA  1902  1918   Jackson Auto. Co. Jackson Mich.
    Jackson              GB  1903  1916   Reynold Jackson & Co.Ltd., Notting Hill, London
    Jacquet Flyer       USA  1921         Jarquet Mo. Corp. of America, Belding Mich.
    Jaeger              USA  1931  1933   Jaeger Motorcar Co., Belleville Mich.
    JAG                  GB  1950  1956   JAG Cars, Thames Dutton, Surrey
    Jago                 GB  n/a          n/a (kit car)
    Jaguar               GB  1931  1940
                             1945  now    Jaguar Cars Ltd. Browns Lane, Allesley, Coventry
Jaguar SS1 Fixed Head Coupe (1932)

Jaguar E-type (1961)

Jaguar XJ Sedan (2010)

    Jakobus             SWE  1947         Lennart Pettersson, Stenkumla (one car build)
    Jakovlev Freze      RUS  1899         n/a
    James               USA  1911         J & M M. C. Co. Lawrenceburg Ind.
    James & Browne       GB  1901  1910   James & Browne Ltd., Hammersmith, London
James & Browne - Two remanining cars

    JB                   GB  1926         Jones, Burton & Co.Ltd., Liverpool
    JBM                  GB  1947  1950   James Boothby Motors Ltd., Morley, Yorkshire
    JBS                  GB  1913  1915   J.Bagshaw & Sons Ltd., Batley, Yorkshire
    JC                  SWE  1995  1998   n/a
    Jeantaud             FR  1898         n/a
    Jeep                USA  1941  now    Willys-Overland Co. Toledo Ohio
Jeep Cherokee (2006)

    Jeffrey             USA  1913  1917   Thomas B. Jeffery & Co. Kenosha Wis.
    Jem Special         USA  1922         n/a
    Jenard               GB  1955  1956   G.A.Elsemore, Yeovil, Somerset
    Jenatzy             BEL  1898  1899   n/a (electro-racer)
    Jenkins             USA  1907  1910   Jenkins M. C. Co. Rochester N.Y.
    Jennings             GB  1914         Jennings Chalmers Light Car Co., Birmingham
    Jensen               GB  1935  1976   Jensen Motors Ltd., West Bromich, Staffordshire
Jensen GT (1975)

    Jensen-Healey        GB  1972  1976   Jensen Motors Ltd., West Bromich, Staffordshire
    Jensen Interceptor   GB  1987         n/a
    JET                 SWE  1940         Engelson & Johansson, Ringstena (one finished car)
    Jewel               USA  1905  1909   Forest City M. C. Co. Massillon O.
    Jewel                GB  1921  1933   John E.Wood, Bradford, Yorkshire
    Jewett              USA  1922  1926   Paige-Detroit M. C. Co. Detroit Mich.
Ji-Ju

    Jimenez              FR  n/a          Jimenez Motor, 2102 Chemin de la Plaine, Monteux
    Jiotto              JAP  1989         n/a
    Jitsuyo             JAP  1920  1926   n/a
    JL                   GB  1921         AE Creese, London
    JMB                  GB  1933  1936   JMB Motors, Ringwood, Hampshire
    Joel                 GB  1899  1902   n/a
    Johnson             USA  1905  1912   Johnson Service Co. Milwaukee Wis.
    John O'Gaunt         GB  1902  1904   William Atkinson & Sons Ltd., Lancaster
    Jones                GB  1911  1914
                             1919         Jones Bros.Motor & General Eng. Works, Abergavenny
    Jones               USA  1915  1920   Jones M. C. Co. Wichita Kan.
    Jones-Corbin        USA  1902  1907   Jones-Corbin Auto Co. Philadelphia Penns.
    Jonsson             SWE  1920  1921   Alfred Jonsson, Lidköping
    Jönsson             SWE  1898         Carl Jönsson, Helsingborg (one home-build car)
    Jonz                USA  1909  1913   Jonz Auto. Co. Beatrice Neb.
    Jordan              USA  1916  1931   Jordan M. C. Co. Cleveland O.
Jordan Tomboy Cabriolet (1927)

    Jösse Car         SWE  1994  1999   Jösse Car AB, Arvika
Jösse Car Indigo 3000 (1998)

    Jowett               GB  1906  1939
                             1946  1954   Jowett Cars Ltd.,  Idle, Bradford, Yorkshire
Jowett Jupiter Mk1 (1952)

    JP                   GB  1950  1954   Joseph Potts Ltd.,  Bellshill, Lanarkshire
    JPX                 BRA  n/a          n/a
JPX Pickup (2001)

    Jewett              USA  1922  1926   P
    Julian              USA  1922         Julian Brown, Syracuse N.Y.
    Jungner             SWE  1900         Jungner Battery Company (build one electric car)
    Junior               IT  1905  1909   n/a
    Junior               GB  1906         n/a
    Junior Sports        GB  1920  1921   Aluminium & General Foundry Co.Ltd., London