15. Geo
In the late 1980s, GM launched Geo as a bold experiment, offering compact cars built in partnership with international automakers.
Models like the Metro and Tracker became a quirky yet practical choice for budget-minded drivers.
Despite their popularity, Geo’s run was short, ending in 1997.
The brand’s brief existence left a nostalgic mark, especially among fans of efficient, no-frills motoring.
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