Make Model Spec AUDI A6 AVANT A6 AVANT. 2.0 TDIE 134 17 OPT tyre pressures Size Front Tyre Buy Tyres 245/45R17 Y 99 2.3 BAR / 29 PSI Buy Tyres 245/40R18 Y 97 2.4 BAR / 29 PSI Buy Tyres What should my pressure be?