* Audi A6 2.0T: The base engine for the standard A6 was a 2.0L turbocharged four-cylinder producing 211 horsepower.
* Audi A6 3.0T: The A6 3.0T came with a 3.0L supercharged V6 producing 310 horsepower.
It's important to note that there were also other engine options available, such as a 3.0L TDI diesel engine.