* US Market: The base engine was a 1.8L turbocharged 4-cylinder producing 170 horsepower.
* European Market: The base engine was a 1.6L naturally aspirated 4-cylinder producing 101 horsepower.
It's important to note that other engine options were available for the 2002 A4, including a 2.0L turbocharged 4-cylinder, a 1.8L turbocharged 4-cylinder with 180 horsepower (in the S line), and a 3.0L V6.