What is engine oil made from?

Engine oils are made up from three important ingredients – base oils, viscosity modifiers and performance additives. These are carefully selected and skilfully blended to enable the oil to provide maximum engine protection.

Related Questions:

  1. Why is the choice of engine oil so important?
  2. Why is an engine oil’s ability to cleanse important?
  3. How does oil protect my engine?
  4. Is it important to change oil and how often should I do this?
  5. How should I dispose of used oil?
  6. Will I really notice the difference if I don’t make frequent oil changes?
  7. Why not just keep topping up the engine oil?
  8. What's so good about synthetics?
  9. What's the difference between a fully synthetic and a semi-synthetic engine oil?
  10. Why Mobil 1 and not another synthetic?
  11. Is Mobil 1 suited to 'stop-start' driving?
  12. Is Mobil 1 suited to long haul motorway driving?
  13. Is Mobil 1 suited to performance driving?
  14. Does Mobil 1 offer value for money?