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For a Vauxhall Astra 1.7 CDTI, it's generally recommended to change the engine oil every 10,000 to 15,000 miles or annually, whichever comes first. However, this can vary based on driving conditions, so if you frequently drive in stop-and-go traffic, tow heavy loads, or drive in extreme temperatures, more frequent changes may be beneficial. Always refer to the owner's manual for specific guidelines tailored to your vehicle.

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AnswerBot

1w ago

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