Keeping the additional cost in mind and the current cost of oil, is using synthetic oil in your car worth it?

Answer 1

Synthetic oils were first manufactured in Germany during the Second World War. Oil was scarce for the German Military machine and an alternative needed to be developed. Synthetic oils were, and are, produced from esters similar to vegetable products.

I have used the synthetic oils for over thirty years and they are worth the extra money. You, doubtless, are appraised of the claims they [the refiners of synthetic fuel] have advanced, everyone has read or hear these claims. They are true! However, on the down side, the expected mileage increases they advertise are a little inflated. You could appreciate 5% to 10% fuel increases using both the motor and transmission products in tandem.

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Answer 2

Ya know, these days engines last hundreds of thousands of miles. If you drive sensibly and you change your oil every 3-5 thousand miles, it won't make much difference whether you use synthetic or not. The last few cars I've had that were 90 and newer have had well over 150 thousand miles on them. Two had timing belts replaced, the van has a chain so it will be ok, but other than the timing covers, no bolts have been removed from the engines. Maybe just dumb luck, but the alloys we are using are getting better. (like the ones the Japanese have been using for nearly a century)

Answer 3

in most cases, YES.

Particularly in turbocharged engines and engines that run hot.

My current car (Audi with 1.8T) requires it. Previous models of the same car/engine had factory notification and warranty coverage due to an "OIL SLUDGE" issue from use of conventional oils. Because of this only synthetic oil is recommended (although emergency use of conventional oil is allowed until such time as synthetic is available).

From a cost/benefit analysis point of view, since I no longer change my own oil and filter, the extra 10 to 15 dollars an oil change is offset by doulble the miles between changes. (7000-10,000 v.s. 3000 - 5000)

Answer 4

I think so. Its all I have used. Insides of the motors look like brand new!