They are changing the oil every two years and probably more than 6,000 miles. This is beyond what the manufacturer probably recommends. Yes, they should be changing it more frequently. Annually should be fine, instead of every two years, as it appears they aren't putting a lot of miles on the car.
Quote:
Originally Posted by Altavia
The 10K, 1yr recommendation started when that was required for the mfg to get energy credits. The car is designed to survive a 3-4 yr warranty period running that oil change interval.
If you want to keep a car +80K mi, due to tighter tollarances and smaller oil passages, the experienced mechanics recommend not to go more than 5K mi without an oil change. Especially with the higher MPG 2L turbo engines.
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