In my opinion, 32 - 34 psi should be the benchmark for almost any variant (Punto/linea) throught the year :car IN ALL 4 TYRES. 32 psi when tyres cold. 34-36 psi when tyres warm to HOT (highway run) But again, from my experience the pressure to be maintained keeps changing from season to season.. So this is my list suitable for both city / highway run: Winter/Rainy Season: 32psi (cold tyres) Summer: 32-34 psi (city) (cold-warm tyres) ~~~~ 36 psi (highway) when the tyres are already hot from running. SPARE: 32 - 34 psi [depending on cold/hot weather (boot temp below the mat)] Suggestions: Please check air at a reliable electronic machine. Some petrol pumps have a defective nozzle.. Avoid analog gauges for accuracy. NO nitrogen. Reviews suggest a bumpy ride.