The Alfa Romeo 155 is a compact executive car produced by Italian automobile manufacturer Alfa Romeo between 1992 and 1998. It was unveiled in January 1992 at Barcelona, with the first public launch in March 1992, at the Geneva Motor Show. A total of 195,526 units were made before it was replaced by the 156.

The Alfa Romeo 156 is a compact executive car produced by the Italian automobile manufacturer Alfa Romeo. It was introduced at the 1997 Frankfurt Motor Show as the replacement for the Alfa Romeo 155. The 156 received a positive reception and in the following year went on to win the 1998 European Car of the Year award. The 156 saloon was discontinued in Europe late in 2005, while the Q4 Crosswagon continued in production until the end of 2007.