Best Year to Buy a Audi S6
Reliability rankings across 10 model years, based on NHTSA owner complaints
Based on 10 model years of NHTSA complaint data, the 2008 Audi S6 is the most reliable year to buy with a Klunk Score of 100/100 ("Smooth Ride") and only 2 owner complaints. The 2013 model year is the least reliable with 42 complaints and a score of 90/100 ("Smooth Ride").