What should my pressure be? Make Model Spec VAUXHALL ASTRA 1.4I, 1.4 TURBO, 1.6 16V, 1.3 CDTI ASTRA. 1.4 16V VVT TURBO SRI tyre pressures Size Front Tyre Buy Tyres 215/50R17 V 91 2.2 BAR / 29 PSI Buy Tyres