Read more: 11 Best Motor Oil Brands In 2024 ... For instance, five quarts of Mobil 1 Extended Performance 5W-30 High Mileage Motor Oil costs $32.47 (it's currently on sale on Amazon for $29. ...

Today, all of the best ... and 5W-30) are formulated to flow faster when cold while still providing high-temperature protection. However, the 5W-30 oil is more viscous than 5W-20 at the engine's ...