Despite being less expensive than its competitor's synthetic offerings on Amazon ... One of the oldest oil brands, Quaker State has been recognized for its years of positive branding and high ...

Meet all the requirements ... State® Ultimate Durability full synthetic motor oil, Quaker State® Enhanced Durability synthetic blend motor oil or Quaker State® Higher Mileage Engine™ motor ...

Why avoid: You might get through a few thousand miles, but you could face higher wear and tear on the engine down the line. The oil can’t handle extreme conditions, which may lead to unnecessary ...