Audi S4 - B5 (1998 to 2002)

The Audi S4 was first introduced as a performance variant of the Audi 100, yet the name has become most well known as the performance version of the Audi A4. The first A4-based S4 was introduced for the 1998 model year, and was offered as a sedan or 'Avant' station wagon. This S4 was powered by a 2.7L twin turbo V6 engine, and featured numerous improvements to the drivetrain, chassis, and exterior. Production of the B5 generation of A4-based S4 continued until 2002.