The quotation of EVOS, maintenance comprehensive 4S shop: the first 5000 kilometers maintenance is free, the subsequent small maintenance every 5000 kilometers, the replacement of oil and filter, the need for 783 yuan. Every 30,000 kilometers or so, replacing the spark plug and fuel filter requires 738 yuan. The air filter core and the air conditioning filter core are replaced according to the actual test situation. We estimate that it will cost 312 yuan to replace it every 20,000 kilometers. Every 40,000 kilometers or so, the replacement of brake oil and transmission oil requires 1149 yuan. 60,000 kilometers in three years, the maintenance cost is 8,259 yuan, and the monthly maintenance cost is 229.4 yuan.