I'd be more worried about inspection of how the container arrived. Check the car thoroughly top to bottom. I have had cars shipped to and from europe from New Jersey to Le Havre FR over the years. I've had my share of "fallen off the boat" blemishes.
As well, do you know the maintenance history of the car? When was the timing belt and maintenance performed last on this car? When was the last oil change?
Myself, personally? I would inspect the car top to bottom before turning over the key. Next I'd baby it home. Change the oil and filtres respectively and insure that the car is in proper working order before hammering it.
If it's a 1.8T the car enjoys a crisp 4,500 rpm range. Car is a little doggie below 3,000 rpms. If it's a 6-cylinder it's all about feel.
Just remember that you only push an engine that has been maintained correctly. Pushing something you have little knowledge on maintenance could act as a concern. But I figure you already know the maintenance history.
Remember the fuel in that car coming off the boat from europe will be different then fuel purchased in the USA. The timing is automatically adjustable to fuel levels and you have to run the highest octane possible to certify good operation. I owned a 1.8T for awhile. It ate 93 octane and loved 95-97 octane.
Very expensive on the wallet.
Time for a conversion to diesel on that AudiTT?
LOL
Brian