After WW2 "Bantam", "Willys" and "Ford" replaced to quotes, "Jeep" Text did use Black Serif Font.
1963–1970
1970–1976
Designer:
Unknown
Typography:
Custom
Launched:
1970
Jeep was acquired by American Motors in 1970, which adopted its symbol.
1976–present
Designer:
Unknown
Typography:
Helvetica Black
Launched:
1976
1976–1987
1987–1993
Designer:
Unknown
Typography:
Helvetica Black
Launched:
1987
This logo used the 1962 Chrysler "Pentastar" symbol, following Chrysler's acquisition of American Motors in 1987. The same went for Dodge, Plymouth, and car parts service Mopar.
1993–present
Designer:
Unknown
Typography:
Helvetica Black
Launched:
1993
In 1993, Jeep started using olive green in its branding.
Jeep was from the FCA group. In 2020, the merger of the PSA and FCA groups was announced, forming the Stellantis group, where Jeep and other brands began in 2021.
Wikipedia