What is the best speed to drive during the break-in period of a new car?

1 Answers
Chris
07/30/25 9:20am
During the break-in period of a new car, domestic vehicles generally should be driven between 40~70 km/h, while imported vehicles should typically stay within 100 km/h. Precautions for car break-in: 1. Avoid overloading: The load during the break-in period should not exceed 75% of the rated capacity. New cars should be loaded below the specified weight and passenger limit, and must not be overloaded. Overloading increases the burden on the engine, transmission, drivetrain, suspension system, and other components, accelerating wear; 2. Choose roads with better conditions: To reduce the load on the body and powertrain, select flatter driving surfaces, avoiding vibrations, impacts, or emergency braking; 3. Pay attention to the fuel used: The gasoline used during the break-in period should not be of a lower grade than specified by the manufacturer. Do not add anti-wear additives to avoid insufficient break-in despite reaching the required mileage; 4. Properly adjust the ignition and fuel systems: This can address changes caused by the installation of speed limiters affecting the vacuum economizer, improving fuel economy during the break-in period; 5. Drive correctly and reasonably: This includes gently pressing and slowly releasing the clutch and accelerator pedal when starting. After starting, operate at low speeds and warm up to 50°C~60°C, etc.
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