| Innocenti Mini 1974-1993 |
De-Tomaso, hatchbacks, Innocenti, Leyland, MINI |
| Innocenti S / C 1960-1968 |
Austin-Healey, coupes, Innocenti, open-top-cars, sports-cars |
| Innotech Aspiron |
|
| Innotech Corvette |
|
| Innotech Mysterro |
concepts-prototypes, open-top-cars, sports-cars |
| International Harvester R-Series 1953-1955 (R-100,110,120,130) |
InternationalHarvest, pickup-trucks, Van |
| International Harvester Scout 800 1965-1971 |
crossovers-suvs, fh5-roster, InternationalHarvest |
| International Harvester Scout Traveler 1976-1980 |
InternationalHarvest |
| International Harvester Travelall 1969-1975 |
InternationalHarvest, pickup-trucks, wagons |
| Invicta 12/45 1932-1933 |
Invicta |
| Invicta 12/90 1932-1933 |
Invicta |
| Invicta 2 1/2 litre 1925-1926 |
Invicta |
| Invicta 3 litre 1926-1929 |
Invicta |
| Invicta 4 1/2 litre 1928-1935 |
Invicta |
| Invicta Black Prince 1946-1950 |
Invicta |
| Invicta S1 2004-2012 |
Invicta |
| Irmscher Opel Zafira |
Opel-Vauxhall |
| Ísar 2019 |
|
| Isdera Autobahnkurier 116i 2006 |
coupes, Isdera, supercars |
| Isdera Commendatore 112i 1993 |
concepts-prototypes, coupes, Isdera, supercars |
| Isdera Commendatore C112i Silver Arrow concept 1999- |
concepts-prototypes, Isdera |
| Isdera Commendatore GT 2019-current |
coupes, Isdera, supercars |
| Isdera Erator GTE 1969 |
concepts-prototypes, Isdera, sports-cars |
| Isdera Imperator 108i 1984-1993 |
coupes, Isdera, supercars |
| Isdera Spyder 1982-1991 |
Isdera |
| Isis AM01 |
|
| Iso Fidia 1967-1975 |
Iso, sedans |
| Iso Grifo 90 concept |
concepts-prototypes, Iso |
| Iso Grifo A3/C (Sportscar racing) 1963-1965 (Bizzarrini 5300 GT Corsa) |
Bizzarrini, Iso, racing-vehicles, sportscar-racing, WSC-racing |
| Iso Grifo GL 1965-1974 |
coupes, grand-tourers, Iso, open-top-cars |
| Iso Lele 1969-1974 |
coupes, grand-tourers, Iso |
| Iso Rivolta 1962-1970 |
Iso |
| Iso Rivolta GTZ 2021 |
coupes, Iso, supercars, Zagato |
| Isotta Fraschini Runabout 1901-1902 |
Isotta-Fraschini |
| Isotta Fraschini T12 1998 |
Isotta-Fraschini |
| Isotta Fraschini T8 1996 |
Isotta-Fraschini |
| Isotta Fraschini Tipo 6 LMH road cars 2024 |
coupes, Isotta-Fraschini, sports-cars |
| Isotta Fraschini Tipo 6 Type S (road car) |
Isotta-Fraschini |
| Isotta Fraschini Tipo 8 1919-1934 |
Isotta-Fraschini |
| Isotta Fraschini Tipo FE / FENC 1908-1910 |
Isotta-Fraschini |
| Isotta Fraschini Tipo IM 1913 |
Isotta-Fraschini |
| Isotta Fraschini Tipo KM 1910-1914 |
Isotta-Fraschini |