One problem related to transmission failure has been reported for the 2003 Audi A6. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Audi A6 based on all problems reported for the 2003 A6.
Car completely stopped in the middle of highway and car behind almost hit me. Transmission failed suddenly. It had to be replaced. Recurring problem with Audi A6 3. 0 2003 cvt.