Impressive!2007 Honda Accord EX-L (638,987 miles)
Out: Pennzoil Platinum High Mileage 5W-20/Fram Extra Guard PH7317
In: Pennzoil Platinum High Mileage 5W-20/Napa Gold 7356
10% remaining on OLM, 9 months and 1 week in use, 5,859 miles.
In: Mobil Delvac 1 ESP 5w-40 + STP High Mileage Oil Treatment and K&N HP-2004 Filter.