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 $29.97), while five quarts of Mobil 1 Advanced Full ...

But is vehicle mileage a true assessment of a vehicle’s lifespan? How many miles is too many for a used car? What is good mileage for a used car? In this article, we’ll answer these questions and more ...