Castrol Synthetic Motor Oil Review


Castrol Synthetic Motor Oil Review

There are currently more than 100 customer reviews for Castrol Synthetic Motor Oil on Amazon. The oil offers extended engine performance. This helps you save money that would have been spent on buying new oil or engine.

The oil comes with free shipping and is very affordable. The good thing is that you can run your engine for up to 15,000 miles after changing the oil.

And when the oil is drained, it can be recycled to get rid of deposits and poured into the engine. This is because the oil is synthetic which means it does not have the impurities that are usually found in crude oil.

In fact, you can recycle your oil as many times as you want as long as it’s enough to sustain the engine. Recycling actually contributes towards reducing biodiesel waste in the environment.

Since the Castrol Synthetic Motor Oil has been refined by distilling it in a lab, it doesn’t emit any kind of smoke or smell. These features keep you safe from respiratory diseases.

No matter how long the oil is combusted, it remains in liquid form. In fact, the oil comes with a thickness of 5W. This means that it can’t escape into the air through evaporation. Other than resisting evaporation, the oil can withstand long and vigorous operation.

And perhaps that’s why the oil is preferred by most car makers. In fact, the oil has been put to the test in various racing competitions and passed. You can therefore use the oil without experiencing any instances of leakages.

The other advantage is that it helps in cooling the engine by lubricating the moving parts. This lubrication provides protection against the damages that result from friction. The oil continues to be in thick liquid form during winter to ensure that the engine starts normally.


  • Cleansing agent
  • Keeps engine cool
  • Odor and smell free
  • Synthetic
  • GM approved


  • API SN and ACEA A1/A5 certified
  • 5W viscosity
  • Snow resistant
  • Heat resistant
  • Leakage free
  • Reusable
  • Tear and wear engine protection


  • Not ideal for diesel and gasoline engines
  • Can’t be used in marine engines


If you are looking for fuel efficiency and durability, look no further than Castrol Synthetic Motor Oil. The oil comes with special formulation that makes it resistant to changes in climate.

Whether you drive at summer or winter, nothing will stop you from reaching your destination. This is because the oil can’t freeze or melt away when exposed to extreme weather conditions.

You don’t have to buy a new gallon of oil after every drain because the old oil can be recycled and it will run like new. Your car can go for many years without requiring for replacement thanks to the lubrication that prevents the moving parts from clashing.


Castrol Synthetic Motor Oil is your ultimate motoring partner. But if you are looking for alternatives, you can choose between Liqui Moly Engine Oil and Mobil 1 V-Twin Synthetic Motor Oil. Liqui Moly Engine Oil is an emerging brand that’s currently ranked among top rated products on Amazon.

The oil comes with a viscosity of 5W which makes it ideal for lubricating the moving parts. The thickness ensures that the oil doesn’t breakdown due to over heating or freeze when temperatures sink below zero degrees. It’s therefore suitable for all climates.

The oil offers outstanding cleanliness in the engine by removing all the deposits. In fact, it posses no threat to the environment due to its ashless and odorless attributes. It comes with approvals from renowned auto makers such as BMW, Volkswagen and Renault among others.

Mobil 1 V-Twin Synthetic Motor Oil currently boasts with over 300 customer reviews on Amazon. The package comes with 6 bottles of 1 quart each. This gives you the privilege to purchase 6 bottles at the price of one. The price is also inclusive of shipment fee. The oil is very durable thanks to its viscosity of 20W.

Such thickness can bear with high temperatures that are usually experienced during summer. Even when the climate gets cold, you will still enjoy quick starts because the oil doesn’t freeze like other brands. Thermal breakdown is also not a problem because the oil can’t evaporate or loose its thickness.


All the credit goes to Castrol Synthetic Motor oil. The oil is approved by the makers of Honda, Ford and Chrysler among other manufacturers. The oil comes with a thickness of 5W. The downside is that it may not be used on both gasoline and diesel engines.

Liqui Moly Engine Oil Is the second best deal in the list. The oil is affordable and is synthetic which makes economical in the long run. The downside is that it can’t run on marine and aviation engines.

Mobil 1 V-Twin Synthetic Motor Oil is at the bottom of this ranking. Although it’s from a reputable company, it’s expensive than the other brands in the list. However, it’s still worth buying because it features a thickness of 20W.

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