What are the consequences of using 5w30 oil in a Civic?

[OConnor]

Using 5w30 oil in a Civic can result in reduced power and increased fuel consumption. How is the Civic configured: In terms of power, this model is equipped with a 2.0L turbocharged engine, delivering a maximum output of 228kW and a peak torque of 400Nm. Paired with a six-speed manual transmission, the official 0-100km/h acceleration time is just 5.7 seconds. What impact does oil viscosity have: The Civic can use 30 viscosity oil, while 40 viscosity oil is a bit too high. Oil viscosity should not be too high or too low. If the viscosity is too high, the internal resistance will increase during engine operation, leading to reduced power and increased fuel consumption. If the viscosity is too low, the oil cannot form a stable oil film during engine operation, which can exacerbate engine wear.