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    Mazda BT50: Why use synthetic oil?

    Mazda Mazda Advice Mazda BT-50 Mazda BT-50 Advice Mazda BT-50 2015

    Could please answer the following questions or get answers from Mazda about oil from my BT50. I'm worried about synthetic oil, which is 'preferred' in the owner's manual and 'recommended' in the warranty. If these synthetic oils are so good, why does Mazda recommend 10,000-kilometre service intervals? And, since synthetic oils are more than twice the price of normal HD diesel oils, is this just dealers trying ramp up their profits by selling more expensive oils? I got told at the dealership "If I did not want your engine to blow up, you had better use synthetic oil."

    Answered by CarsGuide
    1 January 2015
    Paul Gover

    Your engine will not fail if you use the correct specification of oil, even if it's not synthetic, but Mazda spokesman Tony Mee has the company line: "The specification does not indicate that the oil must be a 'synthetic' product, however . . . the Mazda recommended engine oil for BT-50 is a high quality 'synthetic' product that supports long-term engine durability and performance. The service schedule has been developed to ensure the long term durability and performance of the vehicle including all systems".

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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