High oil usage in a 2019 Kia Carnival
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Asked by Wayne
I recently purchased a Kia Carnival 2019 V6 petrol engine with 108,710km. I regularly check the engine oil, coolant levels etc. I have travelled 2209km since the purchase date, and I have noticed the level of oil on the engine dipstick has steadily decreased.
I asked the local Kia dealer about the engine oil consumption, and they told me that it is acceptable for these engines to burn 700mls of oil per 1000km travelled. I find this unacceptable for such a low-kilometre engine. Are you aware of oil consumption issues with these vehicles? I am going to send an email to Kia Australia.
Answered by CarsGuide
29 Jan 2024Some oil consumption is normal for engines, and modern engines seem to use a little more than some older designs. That's because modern engines are designed with low-friction piston rings which are great for fuel economy but can lead to slightly higher oil consumption. However, 700ml per 1000km does seem high for what is not an especially high-performance engine, and one that has not travelled very far in the scheme of things.
It wouldn't be the first time a dealer (of any brand) has tried to fob off a customer concern with such a response, so I reckon you're on the right track by contacting Kia Australia's customer service division. I'd also follow up with a phone call as well as an email, but experience suggests Kia is one company that takes customer satisfaction seriously.
Your car is still covered by the factory seven-year warranty, so provided it's been serviced correctly, if there is a fault, it should be covered. Further investigation is warranted, including a compression and leak-down test to show if there's any deterioration in the performance of the engine's piston rings. Your local state motoring club is a good source for these tests, particularly as manufacturers tend to take the clubs and their mechanical inspections seriously.
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