Other Tire PressuresĤ0 psi (2.8 bar) sits at the highest end of what you'd consider normal tire pressure in hatchbacks, sedans, crossovers, small and mid-size SUVs, and sports cars. Can You Manipulate Tire Pressure for Track Driving or Off-Roading?.Changing Tire Pressure When Carrying Heavy Cargo.What's the Recommended Tire Pressure for my Car?.But let's dig deep into the tire pressure rabbit hole since there is much more to discuss here. Besides, I immediately saw the fuel economy go down, and I'm sure the tires wore faster for those couple of days.īut should you go higher? Is 40 psi good tire pressure? It depends on the car, of course, since some manufacturers recommend such pressures. Actually, I tried underinflating them to 2.2 bar (32 psi), and the ride didn't improve much, yet the car was much less agile in the corners. I never had issues with the ride being choppy at the recommended pressure. The higher pressure also significantly reduces fuel consumption and emissions, which is not insignificant. In other words, the manufacturer (in this case, Toyota) designed the suspension to work optimally at a tire pressure of 2.5 bar (36 psi) and give me a smooth ride while also remaining stable at high cornering speeds. But Toyota knows even better than the technician or me, and the same is true for every other vehicle manufacturer.Īutomakers test their vehicles to the limit for thousands of miles and at various loads to find the perfect tire pressure. Now, I know a thing or two about tires and told him to inflate them to the manufacturer's recommended pressure.
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