VW engine! Audi are just badged VWs.
It's a bit like saying Morgans are just badged Fords - it ignores the tremendous manufacturing skills. It's a cheap shot to be honest - these cars are not merely 'badged', they take best of breed engines, often re-engineer them to suit the car.
Lambo factory tour here:
https://youtu.be/NbGvTYvoBjw
