* 2.5L 5-cylinder engine: This was the standard engine for the Beetle and Beetle Convertible, producing 170 horsepower and 177 lb-ft of torque.
* 2.0L 4-cylinder turbocharged engine: This was offered on the Beetle Turbo and Beetle Turbo Convertible, producing 200 horsepower and 207 lb-ft of torque.
So, depending on the trim level, the base engine size could be either 2.5L or 2.0L.