Skev23

A3 2006: I recently had serviced performed at a dealer about a month ago (55k). The service (as always) included an oil change. Today I went to view the level of the oil with the car's dipstick and although the level was fine, the color was black like it had not been changed in 10K miles. Called the dealer who stated the color turns quickly in Audi's, etc. I have never seen Synthetic change that fast. I have never seen regular motor oil change that fast in all the hundreds of changes I have done.
Thoughts???
Thanks.