What kind of engine oil is best for the Roewe RX5?

[LeQuinn]

Roewe RX5 uses 5W-30 full synthetic oil. Since the vehicle's engine is turbocharged, and turbocharging operates under high temperatures and high speeds, it has higher lubrication requirements for the oil, necessitating the use of full synthetic oil. The specific oil model can be chosen according to the recommendation in the maintenance manual. Methods to determine whether the oil needs to be changed are as follows: 1. Smell Test: Pull out the dipstick and smell it closely. If there is a strong sour odor, it indicates the oil has deteriorated and should be changed. 2. Finger Rub Test: Take out the old oil and rub it repeatedly between your thumb and forefinger. If you feel impurities, poor viscosity, or even a gritty sensation, it should be changed. 3. Color Test: Take a clean white filter paper and drop a few drops of old oil on it. After the oil seeps through, good-quality oil will leave no powder, feel dry and smooth to the touch, and have a clear yellow infiltration ring. If it appears dark brown with impurities, it should be changed. 4. Light Test: Hold the dipstick at a 45-degree angle under light and observe the oil droplets. If no wear particles are visible, the oil is in good condition. If there are many wear particles, it should be changed.