The are some factors that may have negative influence. Based on data provided by. Recommended tire inflation for 2009 audi a3 is 38 psi to 41 psi for front tires and 38 psi to 41 psi for rear tires based on its original equipment tire size.
audi a8 3 0 tdi 2008
audi a8 4 2 v8 quattro 2003
audi a8 3 0 tdi bhp
audi a8 3 0 tdi d3
audi a8 3 0 tdi 2011
audi a8 4 0 tdi mpg
audi a8 4 0 tdi quattro 2003
audi a8 4 2 tdi 2007