
Timed oil consumption should not exceed 0.3 liters per 1000 kilometers. Additional information: In 2003, China introduced the latest national standard GB/19055-2003 for automotive engine performance testing methods, which clearly stipulates that at rated speed, timed oil consumption should not exceed 0.3 liters per 1000 kilometers. For vehicles maintained at 5000 kilometers: maximum oil consumption should not exceed 1.5 liters. Four-cylinder vehicles typically have an oil fill capacity of 4 to 5 liters, and oil level should not fall below 2.5 to 3.5 liters. If maintained at 10000 kilometers, oil consumption should not exceed 3 liters, and oil level should not fall below 1.5 to 2.5 liters.

I've been driving for over a decade. According to national standards, normal oil consumption is generally no more than 0.5 liters per thousand kilometers, depending mainly on engine age and driving habits. New cars might consume as low as 0.1 liters per thousand kilometers, while older vehicles like my old sedan can rise to 0.3 liters as they age, with minor leaks still within reasonable limits. Checking is simple: observe the oil dipstick level when the engine is cold. If it's below the minimum mark, you'll need to top up or get it checked. Excessive consumption could be due to worn piston rings or aging seals. I once had a friend whose car burned too much oil and failed emissions, resulting in a warning and costly repairs. The national limit protects both the environment and engine longevity. I make it a habit to check and record oil levels monthly to avoid major issues. If consumption exceeds the limit, address it early to prevent increased fuel use, severe carbon buildup, and safety risks.

From a repair experience perspective, the national standard requires oil consumption not to exceed 0.5 liters per 1,000 kilometers, which serves as the benchmark for most household vehicles. I often observe minimal oil consumption (below 0.2 liters) during customers' first new car maintenance, but it rises to around 0.4 liters after long-distance trips or aggressive driving. The dipstick method suffices for checking – levels between the upper and lower marks indicate healthy conditions. Excessive consumption stems from diverse causes like engine wear or cooling system defects, requiring diagnostic tool analysis. This standard aims to prevent environmental pollution and engine failures. In daily life, pay attention to oil level fluctuations, especially during winter startups with abnormal noise warnings. Develop a habit of checking oil levels after each refueling to minimize loss. Overconsumption issues shouldn’t be underestimated as they may lead to costly overhauls and wasted time – address them promptly to avoid debilitating your vehicle.

From an energy-saving perspective, the national standard sets the maximum engine oil consumption limit at 0.5 liters per 1,000 kilometers, balancing engine efficiency and environmental protection. Exceeding this limit releases more pollutants, affecting air quality. I always maintain reasonable speeds, avoid sudden acceleration, and prevent excessive oil temperature to minimize consumption. Routine oil level checks are simple—just wait 10 minutes after parking and ensure the dipstick reading stays within the normal mid-range. New cars may consume as little as 0.1 liters, but consumption naturally increases with vehicle age. Warning signs like blue exhaust smoke or rapid oil level drops indicate exceeding limits, requiring professional inspection and repair to prevent further environmental and economic damage. Timely maintenance ensures fuel efficiency and vehicle longevity.


