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Keep in mind, regardless of how few miles, condensation isn't good.synthetic oil is worth the extra cost, even if the warrantee didn't require it.
Six month oil change intervals with $60 worth of synthetic each time is just "the price of poker" when you're buying 2018 cars.Either pay the price and keep a valid warranty, or do it the way you like and don't keep the warranty. I don't think there's another choice unless the dealer agrees to let you slide, go with "plan B" consistent with the long life of synthetic oil, and wink at the warranty requirement ....Lannis
THe dealer is NOT the person who gets to say what will void the warranty (maybe all should check out the https://en.wikipedia.org/wiki/Magnuson%E2%80%93Moss_Warranty_Act for some pertinent information) - it is the manufacturer.
Then all you have to do is follow that schedule - you do not have to do it at the dealer. Just keep receipts and use the oil and filters specified in the manual.Is this perhaps a Subaru with a turbo perchance?
Have you researched the Subaru engine? When they changed over to a timing chain (around 2010-12) there have been thousands of claims of oil consumption and many new replacement engine blocks under warranty. They first make you do an oil consumption test but mostly they fail so the new block is ordered. I have not heard of a fix by Subaru, maybe they have by now but I'd be sure to follow the service schedule to the T and watch your level. I wanted a new Subi until I heard about this failure so I'm keeping my 2008 Forester for now. It's a huge issue on the Subaru discussion sites. This the standard motor not the 6cyl or turbo models.But, you could just buy oil and filter, save receipt and change it according to mileage not time, as long as you have purchase receipts they won't know if you really put it in every 6 months. use the excess in your bike.
My 08 Dodge Ram has a nice little feature... the enginerds at Dodge figured out how to calculate oil life by measuring the engine temp, RPMs, load, etc... thus calculating how hard the motor has been run and for how long. This is all explained in the nice big book that was included in the glove box. The book says that under severe conditions, I could expect to get the "change oil soon" message as quickly as 2000 miles, but that most people will get the message somewhere between 4000 and 6000 miles. Mine generally comes up between 5000 and 5500. The truck has 106K miles on it now, engine runs beautifully, and it's always had good 5w-20 dino oil and fresh filters. I expect another 100k out of this old truck at least... Point being, the folks who designed it know more about it than the folks who sold it. I'd stick with what they say to do, but make sure to keep your receipts for everything, and if you do your own service, write it down in the service history log in the back of the manual.
So yeah the Subaru intervals are sounding ultra-conservative to me. I wonder how much of it is actual need based and how much of it is CYA trying to make sure dolts don't run them low if they are consuming oil?
We have a 2013 Outback 3.6 engine and it uses some oil in that 6,000 mile time frame. I start looking at the dipstick at around 4K. Not happy about having to do this but I like the car and prefer the larger engine. My dealer gives free oil changes, so I just let them do the work.
We have a 2012 Outback 2.4 engine. It uses about a pint in 7500 miles, which is the oil change interval that the dealer has recommended for us; Lannis
Most newer cars use 0-20w to help with fuel economy. And if the manual says synthetic, then use synthetic. Not doing that can void the warranty.