Base models:
* 3.0L supercharged V6: This engine produced 310 horsepower and 325 lb-ft of torque.
Higher trim levels:
* 4.0L twin-turbocharged V8: This engine produced 430 horsepower and 443 lb-ft of torque.
* 4.0L twin-turbocharged V8 (S8): This engine produced 520 horsepower and 480 lb-ft of torque.
* 6.3L W12: This engine produced 500 horsepower and 465 lb-ft of torque.
Note: Availability and specific specifications might vary depending on the region and the model year within the 2013 range.
It's best to consult your specific car's documentation or an online resource like Audi's official website or Edmunds for the most accurate engine information for your 2013 Audi A8.