2014 Kia Soul 1.6L GDI (67,611 miles)
Out: Valvoline SynPower5w-20 and OE Hyundai/Kia filter
In: Valvoline Full Synthetic (Dexos 1 Gen 2) 5w-20 and FRAM PH9688
7,352 miles on oil
2010 Hyundai Elantra (59,974 miles )
Out: Castrol Edge 5w-20, FRAM TG9688
In: Mix of Valvoline SynPower and Valvoline Conventional 5w-20, FRAM PH9688
7,275 miles on oil