The big numbers on a motor oil bottle such as 10w40 or 5W30 indicate its viscosity, ... Fully synthetic engine oil carries 100% non-traditional, premium-performance fluids.

Pennzoil Pennzoil Ultra Platinum Full Synthetic Motor Oil 5W-30. Now 34% Off. $12 $8 at Amazon. $8 at Walmart. Credit: Amazon. Valvoline Valvoline High Mileage with MaxLife, 10W-30 Synthetic Oil.

Full synthetic oil is the top-tier motor oil option you can buy for your car today. Unlike conventional oils, ... The most common examples are SAE 5W-30 or SAE 10W-30.

Best cheap synthetic engine oil: Valvoline Advanced Full Synthetic: Synthetic: 1 quart/5 quart: $6-$23: ... You'll see this information in a format that looks like 5w30 or something similar.

Full synthetic oil is the top-tier motor oil option you can buy for your car today. Unlike conventional oils, ... The most common examples are SAE 5W-30 or SAE 10W-30.

ENEOS fully synthetic motor oil blends also provide your engine with greatly improved oxidation stability at the higher ... where an SAE 0W-16, 0W-20, 5W-20, 5W-30, or 5W-40 motor oil is ...

Engine/Motor oil keeps your car running smoothly, but picking the right type can feel overwhelming. With mineral, semi-synthetic, and fully synthetic ...