Skip the auto shop - Our mechanics make house calls

Q: What's the difference between fully synthetic and semi synthetic oils

asked by on

Would like to know the difference and why I would choose one over the other? Thanks in advance

My car has 20000 miles.
My car has a manual transmission.

A: The type of oil that should be used is a ve...

The type of oil that should be used is a very heavily debated topic that depends a lot on where you live (climate), driving style, and the car. Synthetic oils are engineered for very high stress performance/luxury vehicles that require the best lubrication under very harsh conditions. Semi-synthetic oils have a combination of synthetic oil and mineral based oil in them. If you are a normal everyday driver that does not drive in extreme conditions and typically drive in fairly normal weather climate, I would say you probably do not need to spend the extra money for a fully synthetic oil based upon the type of car you are driving currently. If you would like to have an oil change done for you, a certified technician can perform this service at your home or office using the correct oil.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Grinding noise coming from the front.

Hi - with the water you see under your vehicle and the grinding noise is a good indication that your water pump needs to be replaced. The grinding noise is the bearing starting to fail. Trembling and shaking while braking...

Q: My battery light keeps coming on and radio went off and on then off completely then car lost power toyota avalon 2000

Hello. If the engine will not stay running then the alternator is bad. The battery will also need to be load tested as a bad alternator can also cause the battery to fail. When I come across this problem I...

Q: Wheel bearing noise, already changed both the drum due to same problem in the space of 8 months.

Hello, thanks for writing in. If the ABS light is on and the bearing is making noise, then I would recommend replacing the bearing as soon as is convenient. If possible, replace the hub assembly and ABS sensor together. If...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...