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What do you all suggest as the best pure synthetic oil for a 2003 ES 300 with 209,000 miles? Runs perfectly with a very small (weekly drip) using Mobil 1 (5W-20). Also, what filter is recommended. Located in NC Piedmont region. Car is only driven <5000 miles a year.

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My daily driver is an 04 ES330.  They only thing this car has tasted is Mobil 1 5W-30 along with an OEM filter.  Car runs like a top and it has 317,000 miles.  Dieing to buy another but too cheap to put this reliable car to bed.

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