Will 20 inch rims mess up a Cadillac CTS engine?

Installing 20-inch rims on a Cadillac CTS won't directly damage the engine, but it can affect overall performance and handling. Larger rims can lead to a rougher ride, increased tire wear, and potential issues with the suspension if not properly matched with the right tires. Additionally, if the overall diameter of the wheels and tires is significantly changed, it could impact the vehicle's speedometer accuracy and fuel efficiency. Always ensure that any modifications are compatible with the vehicle's specifications.