What is the difference between long-life engine oil and conventional engine oil?

3 Answers
LeEmma
07/29/25 11:30pm
Long-life engine oil and conventional engine oil have the following differences: 1. Different characteristics: Conventional engine oil characteristics include reducing engine component wear and extending service life. Long-life engine oil characteristics include higher lubricity than mineral oil, lower friction resistance, resistance to oxidation, and strong cleaning performance. Fully synthetic oil has better high and low-temperature performance, longer oil change intervals, and is suitable for more severe driving conditions. 2. Different performance: Conventional oil performance, synthetic oil has better quality, and users will notice significant improvements in the following aspects: smoother cold starts, especially in northeastern regions; better fuel economy; longer oil change intervals, approximately 1.5 times or more than conventional lubricants; longer engine life and lower maintenance rates; due to the superior cleanliness of synthetic oil, the engine block remains cleaner.
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Whitney
08/16/25 2:18am
The biggest differences between long-life oil and conventional oil are durability and formulation. Long-life oil is typically fully synthetic, with added antioxidants and detergents to extend its lifespan, allowing it to last 15,000 to 20,000 kilometers before needing a change. Conventional oil is mostly mineral or semi-synthetic, with fewer additives, requiring replacement every 5,000 to 10,000 kilometers. Not only is this more convenient, but it also provides better engine protection, reducing wear, especially for frequent long-distance driving or high-performance vehicles. After switching to long-life oil, my maintenance frequency halved, the engine runs smoother, and fuel consumption has improved. Additionally, in high temperatures, long-life oil remains more stable and less prone to degradation compared to conventional oil. If you drive frequently, investing in long-life oil saves both hassle and money in the long run.
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McAngelo
10/19/25 2:25am
Conventional motor oil is cheap and readily available, but requires frequent changes every 5,000 kilometers. Long-life oil costs more upfront but can last over 15,000 kilometers, saving you multiple maintenance visits. My old car used to run on conventional oil, constantly needing garage trips. After switching to long-life oil, I only change it once a year – the engine runs quieter and feels more reliable. The key is choosing based on your driving habits: conventional oil suffices for short commutes, while long-life oil pays off for frequent or long-distance driving. Plus, long-life oil performs better under extreme conditions like high temperatures, providing superior engine protection. Saving money isn't the only benefit – it's about saving time.
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