The average cost of an essential oil change depends on many factors, like the type of oil (conventional, semi-synthetic, or fully synthetic), the material cost (oil filters, additives, etc.), the make and model of your vehicle, the engine size — bigger engines need more oil — and your location, as labor costs vary by state. According to Kelly Blue Book, an oil and filter change using conventional engine oil should cost between $35 to $75, including labor. Meanwhile, synthetic
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