Hands down....The Maxima would own the Audi.
The Audi only has 170hp and 166ft. lbs of torq.
http://research.cars.com/go/crp/feat...7&aff=national
The Maxima has 255hp and 246ft lbs of torq and weighs around 200lbs less
http://research.cars.com/go/crp/feat...7&aff=national
A better comparison would be the A4 and the Altima