长城润滑油 金吉星J500 10W-40

评测依据

• review_count：11200
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["京东","天猫","拼多多"]
• time_range：{"from":"2026-06-26 02:14:00","to":"2026-06-26 02:14:00"}
• intros：{"brand_intro":"长城润滑油是中国石化旗下品牌，成立于1950年，是中国最大的润滑油生产商之一。产品覆盖航天、军工、汽车等领域，拥有多项国家专利。金吉星系列是其乘用车机油主力产品，J500为矿物油定位，以\"国货精品\"和\"高性价比\"著称，深受国内车主信赖。","product_intro":"长城金吉星J500 10W-40矿物机油，采用深度加氢精制基础油和复合添加剂技术，具备良好的清洁分散性和抗磨性。10W-40粘度适用于多数国产及合资经济型轿车，满足API SN等级要求。产品特别针对中国路况和燃油特点优化，在拥堵城市工况下表现稳定。","key_specs":{"粘度等级":"10W-40","基础油类型":"矿物油","容量":"4L","API等级":"SN","适用发动机":"汽油发动机","换油周期":"约5000公里"}}
• alt_products：[{"product_name":"长城润滑油 金吉星J500 10W-40","brand":"长城润滑油","model":"金吉星J500 10W-40 4L","price":79},{"product_name":"壳牌喜力HX3 15W-40","brand":"壳牌","model":"HX3 15W-40 4L","price":89},{"product_name":"美孚力霸 15W-40","brand":"美孚","model":"力霸 15W-40 4L","price":95}]
• kol_quotes：["汽车之家编辑：'金吉星J500是国产矿物油里的标杆，性能不输国际大牌。'","抖音养车博主：'长城机油假货少，渠道放心，适合家用车。'"]
• scoring_breakdown：[{"source":"word_of_mouth","score":88.6,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价以\"性价比极高\"和\"国货良心\"为主。大量车主反馈换油后发动机噪音降低，加速顺畅。部分用户对比进口品牌后认为性能差距不大，但价格便宜20%以上。少数用户指出5000公里后油品衰减明显，建议严格按周期更换。京东好评率97%，天猫旗舰店复购率超过30%。","source_count":3}},{"source":"objective","score":68.57060606060605,"weight":0.5,"confidence":0.5,"details":{"rating_avg":4.5,"price":79,"wom_score":88.6}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":11200,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["汽车之家编辑：'金吉星J500是国产矿物油里的标杆，性能不输国际大牌。'","抖音养车博主：'长城机油假货少，渠道放心，适合家用车。'"]}}]
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