Cadillac CTS III Wheel Lug Pattern, Offset, and Center Bore Reference

The Cadillac CTS III features specific wheel lug patterns defined by lug count × PCD (pitch circle diameter), critical for accurate wheel fitment. Across model years, the common lug pattern is 5x120 mm, ensuring compatibility with performance-oriented rim designs.\n\nOffset ET (wheel offset) values vary slightly depending on the rim size and trim level. Typical offsets range from ET35 to ET45, balancing proper wheel clearance and ride quality. The center bore for the CTS III is generally 70.3 mm, which must be matched or adapted when selecting aftermarket wheels.\n\nRim sizes for the Cadillac CTS III generally range between 17 and 19 inches, with variations depending on the production year and package. This catalog organizes wheel lug pattern, offset, and center bore references sorted by year to simplify selection and prevent fitment issues.\n\nFor the best wheel compatibility, confirm the exact lug pattern, offset, and center bore specifications for your CTS III's model year and trim before purchasing aftermarket wheels or tires.