Can a new car run at 100 km/h after exceeding 500 kilometers?

2 Answers
LaViolet
07/25/25 2:12pm
A new car can run at 100 km/h after exceeding 500 kilometers, and it can even run at 120 km/h without reaching 500 km. New car break-in period: The break-in period for a new car is approximately 1000 to 1500 km. Different manufacturers may have varying standards for different models. The break-in period for tires and brake pads is the shortest, usually around the first 200-300 km. The engine break-in period typically requires about 1000 km. Precautions during the vehicle break-in period: Avoid emergency braking, as it not only damages the braking system during the break-in period but also increases the impact load on the chassis and engine. Try to avoid emergency braking within the first 300 km of driving. Do not overload the vehicle, as running a new car at full capacity during the break-in period may cause damage to the components.
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StLucille
08/11/25 9:02pm
I've driven my new car for over 500 kilometers. Generally speaking, maintaining 100 km/h is fine, but it depends on the specific situation. Modern engine technology is excellent, and the break-in period requirements aren't as strict, but I still think it's better to be cautious. The first 500 kilometers are meant to allow various components to adapt, so avoid frequently revving the engine at high speeds, as that's not good for the engine. In terms of speed, 100 km/h on the highway isn't too fast—the key is to avoid sudden acceleration by stomping on the gas or towing heavy loads, which would put too much strain on the engine. I recommend checking the owner's manual, as different car brands may have different suggestions; some say you can drive normally after 600 kilometers. Personal experience tells me that gradually increasing speed to 100 km/h is safer and better for the car's long-term performance. Remember to monitor the engine temperature and sounds—if anything seems unusual, get it checked early. After all, a new car is meant to accompany you for several years, so taking good care of it from the start ensures it runs smoothly and reliably in the long run.
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