Those first few kilometers after you pour brand new oil into your car?, Child???s play. It???s the thousands of kilometers of stop and go traffic, idling and extreme temperatures that are the true tests of toughness. These are exactly the tests that we put Quaker State? Advanced Durability? motor oil through. In taxi fleets across North America, we test our oil to ensure it delivers even more protection. Quaker State? Advanced Durability? proved it delivers twice the wear protection of the industry standard throughout its life.