Not necessarily true Wit. Typically engines that have been treated well from the start will only have used 1/4 or 1/2 quart between services. Doesn't matter if it's 5 months and only 2,000-miles or 2 months and 4,000-miles.
With temperature changes in the north east, a service is a smart thing to do spring & fall even if the miles are low, regardless of the oil level or other visual indications.
Constantly stretching service intervals to the limit has ALWAYS ended up with a worn out engine prematurely, regardless of oil specifications and the term "synthetic". Been that way ever since the first round of "synthetic" B/S back in 1973.
MAYBE engines will stand that kind of "abuse" in Sunny Southern California or Florida.....sometimes....

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