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Regarding cost, I can buy MCSB for $12.50/jug ($2.50/qt.), while M1 is $24.99/jug ($4.99/qt.) last I checked. Assuming 175K miles in 5 years, that's 35 oil changes at 7 quarts per change, or 245 quarts of oil. That adds up to about $612 over the life of the vehicle - or one payment. That's fairly significant in my book
you took the time to do the math here, will that be the same math for 5 years?
in 5 years you will use 61.5 gallons of oil.
7 oil changes 25,000 OCI will cost much less at $56 per oil change. 12.25 gallons of oil is cheaper on your wallet and the enviroment than 61.5 gallons?
starting off with a new engine oil compsumption wont rise over the years.
$392 for oil plus $119 for oil filters that last as long as the oil, comes out to $511, in 5 years with 175,000 miles is significant compared to your numbers.
I did not even factor in the fuel milage savings or time at the oil change place.
oh and what about your air filter every 12,000 miles? 14 air filters too at how much a filter? OR you could just buy 2 4 year 100,000 mile filters.
yea all this math can make anyone dizzy, just take it to Jiffy lube!