What should tire pressure be for 235-40R19?
tire pressure for high-speed driving with 235/40r19 tires, go for 38 psi in the front and 36 psi in the rear. Doing this keeps your car steady and safe when speeding. Cars built for sport with slim tires should maybe have 40 psi. Medium-sized vehicles such as suvs and crossovers usually need a slightly higher tyre pressure, typically between 35 to 40 psi. This supports the additional weight and size of these vehicles, ensuring stability and control.PSI applies to unloaded driving conditions. Increasing it to 40-45 is a good practice for towing and carrying loads.