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The Cadillac XT4 just exited the U.S. market. Surviving only one generation, it served as GM’s luxury brand’s smallest and most affordable crossover, starting at $41,990 in its final model year.

As a contrast to the enormous Escalade IQ, Cadillac offers the compact 2026 Optiq. This electric SUV serves as an entry point to Cadillac ownership and will soon effectively replace the XT4 in the ...