What kind of vehicle is the 2023 Cadillac CT4? What does it compare to? The 2023 Cadillac CT4 is a compact luxury sedan available in a wide range of powertrains and trim levels. It stacks up against the BMW 3-Series and Audi A4, plus the Genesis G70. Is the 2023 Cadillac CT4 a good car? This is an impressive lineup, from the swanky Sport grade to...