 I purchased a used VW Passat with 19k miles. At one point, I checked the oil dip stick and discovered the engine consummed 2 quarts of full synthetic oil in approximately 4900 miles. I approached the dealer and I was told this is normal for this engine.  In fact, the service person stated, I should consider myself lucky, others are burning more! With no help from the dealer, I called the 800 VW number (March of 2010). As a solution,VW staff stated I could go to the dealer, have them change the oil, and return within the 6k oil change interval and at that time,(and at my cost) the dealer would weigh the oil and determine if I was within VW's standard.