Whether you own a lawn mower, an automobile or a motorcycle, you have to replace the engine oil in your vehicle at various intervals. The main purpose of engine oil is to lubricate your engine so it will run smoothly.
When it comes to selecting oil for your engine, the best synthetic car oils maintain the lubrication in your engine without leaving large amounts of deposits in your engine. Other benefits of using synthetic motor oils includes:
- Synthetic oil requires changing at less frequent intervals. Some synthetic oils can last up to 7,000 miles.
- It is known that synthetic oil improves a vehicle’s gas mileage.
- Synthetic oil maximizes your engine’s horsepower.
- Synthetic oil resists oxidation.
- Thermal engine breakdowns can be prevented with synthetic oil.
- Synthetic oil eliminates engine sludge problems.
- Synthetic oil enables your vehicle to start easily in extreme weather conditions.
If you are unsure of the type of synthetic oil that is best for you, this review can assist you.
The Ten Best Synthetic Car Oils Comparison Table
|1. Pennzoil 550046126 Platinum 5 quart 5W-30 Full Synthetic Motor Oil (SN/GF-5 Jug)||Superior Active Cleansing Agents|
Exceeds the most stringent car manufacturer requirements
|2. Mobil 1 (120766) Extended Performance 5W-30 Motor Oil - 5 Quart||Helps prevent deposits and sludge build-up to enable long engine life|
Compatible with engine seals; excellent low-temperature capabilities; quick cold-weather starting for fast protection and extended engine life
|3. Mobil 1 (120769) High Mileage 5W-30 Motor Oil - 5 Quart||Helps protect critical engine parts in higher mileage engines|
Helps prevent leaks
|4. Castrol 03084 EDGE 5W-30 Synthetic Motor Oil - 5 Quart||42 percent better rating on fighting power robbing deposits|
Meets dexos1 performance requirements
|5. Valvoline 787023 SynPower SAE 5W-20 Full Synthetic Motor Oil - 5 Quart||Meets the performance requirements of virtually all naturally aspirated, turbocharged and supercharged passenger cars operating in North America|
Outstanding high-temperature protection under severe driving conditions
|6. Valvoline 782256 MaxLife SAE 5W-30 High Mileage Motor Oil - 5 Quart||Seal conditioners rejuvenate aging engine seals to help stop and prevent oil leaks|
Anti-oxidants help prevent oil breakdown
|7. Royal Purple 01130 API-Licensed SAE 10W-30 High Performance Synthetic Motor Oil - 1 qt.||Improved compatibility with fuels containing ethanol|
Superior corrosion protection
|8. Pennzoil 550022689-6PK Platinum 5W-30 Full Synthetic Motor Oil - 1 Quart (Pack of 6)||Motor oil weight: SAE 5W-30|
Better for severe driving conditions than conventional and synthetic blend oils
|9. Shell Rotella 550019913-3PK T Triple Protection 15W-40 Heavy Duty Diesel Engine Oil - 1 Gallon||Motor oil weight: SAE 15W-40|
Industry-tested for up to 50% less engine wear
Designed to control piston deposits in late model engines
|10. Briggs & Stratton SAE 5W-30 Synthetic Small Engine Motor Oil||100% Synthetic SAE 5W-30|
For Use In All Air Cooled 4-cycle Engines
Here is our list of the 10 best synthetic engine oils.
Pennzoil Platinum Full Synthetic Motor Oil has a reputation for cleaning out the engine sludge that can destroy your car’s engine. By attacking stubborn engine deposits, this synthetic oil keeps engines 40 percent cleaner. This Pennzoil oil product can be used in car engines during extreme weather conditions and severe driving styles. Pennzoil Platinum Full Synthetic Motor Oil cleans the pistons in your car, protects its horsepower, improves fuel economy and protects the engine against friction.
- Superior Active Cleansing Agents
- Exceeds the most stringent car manufacturer requirements
For lubrication and engine protection, Mobile 1 Extended Performance 5W-30 is a top brand of synthetic motor oil. This synthetic oil has been shown to extend your car’s engine life and eliminate deposits and sludge. It is compatible with engine seals. In extreme weather conditions such as low temperatures and cold weather, Mobil 1 Extended Performance performs well.
- Helps prevent deposits and sludge build-up to enable long engine life
- Compatible with engine seals; excellent low-temperature capabilities; quick cold-weather starting for fast protection and extended engine life
For vehicles with more than 75,000 miles, Mobil 1 High Mileage 5W-30 enhances performance of vehicles with higher mileage. This synthetic oil has been specifically designed to prevent engine oil leaks and extend the engine life of high mileage vehicles. For car owners who have not routinely placed their engine’s oil, this synthetic oil can reduce the sludge deposits in the engine. Mobil 1 High Mileage adequately protects your car’s engine at high temperatures and reduces engine oil leaks.
- Helps protect critical engine parts in higher mileage engines
- Helps prevent leaks
Castro Edge is an advanced and strong engine oil that maximizes your vehicle’s performance. This synthetic oil is at least 3 times stronger than conventional motor oils. Features of Castrol Edge are it fights engine deposits 42 percent better than other oils, prevents wear and eliminates oxidation. Castrol Edge enables your car’s engine to respond to various weather conditions and environments effectively.
- 42 percent better rating on fighting power robbing deposits
- Meets dexos1 performance requirements
The Valvoline brand has a long history of manufacturing effective synthetic motor oils. Valvoline SynPower Full Synthetic Motor Oil protects against engine sludge and varnish. This synthetic oil is specially formulated to perform well at extreme temperatures including icy and humid conditions. It increases fuel efficiency during the life of your car. Valvoline SymPower is compatible with other synthetic and conventional motor oils.
- Meets the performance requirements of virtually all naturally aspirated, turbocharged and supercharged passenger cars operating in North America
- Outstanding high-temperature protection under severe driving conditions
Valvoline MaxLife is especially formulated for cars with high mileage. This synthetic oil can effectively prevent engine oil leaks. It contains additional wear protection and detergents that remove sludge and deposits. Valvoline MaxLife contains anti-oxidants that have been proven to prevent oil breakdown in your car’s engine.
- Seal conditioners rejuvenate aging engine seals to help stop and prevent oil leaks
- Anti-oxidants help prevent oil breakdown
Royal Purple API-Licensed SAE 10W-30 contains a blend of premium base oils and additives. This high-quality synthetic oil improves the engine performance of diesel and gasoline engines. Royal Purple API meets the North American requirements for many passenger cars and light trucks. This synthetic oil is formulated to be compatible with other synthetic and conventional oils. Royal Purple API can be used in cars with high mileage.
- Improved compatibility with fuels containing ethanol
- Superior corrosion protection
Pennzoil Platinum 5E-30 contains superior cleansing agents that safely clean engine oil sludge and deposits. This synthetic oil exceeds the cleanliness and protection requirements set forth by automobile manufacturers. Pennzoil Platinum is an ideal synthetic oil for extreme driving conditions. Cars that use Pennzoil Platinum have been shown to have improved engine performance.
- Motor oil weight: SAE 5W-30
- Better for severe driving conditions than conventional and synthetic blend oils
Shell Rotella Full Synthetic Heavy Duty Engine Oil is specifically blended to meet the needs of vehicles with diesel engines. This synthetic oil increases the efficiency of diesel engines by reducing the levels of ash, sulfur and phosphorous. It is a suitable synthetic oil for on and off the highway heavy duty applications.
- Motor oil weight: SAE 15W-40
- Industry-tested for up to 50% less engine wear
- Designed to control piston deposits in late model engines
Briggs and Stratton SAE 5W-30 Synthetic Oil is a high-quality detergent oil that is specifically designed for small 4 cycle engines such as mowers. This synthetic oil helps to reduce the incidences of small engine failure. Other benefits of using this synthetic oil are it has lower volatility levels, better viscosity temperature response and better wear control. Using this synthetic small engine oil can help you keep your engine from requiring costly repairs.
- 100% Synthetic SAE 5W-30
- For Use In All Air Cooled 4-cycle Engines
Is Synthetic Oil Right for Your Car?
Although using synthetic oil have many benefits, it may not be the best solution for your vehicle. Synthetic oil may adversely affect cars with extremely high mileage. In fact, it is recommended that cars that have over 120,000 miles continue to use conventional motor oil.
For new cars, it might be best to wait until after your car’s break-in period. After this period, new car owners can change to synthetic oil. Before you switch to synthetic oil, you should always consult your local automobile dealer or a trained mechanic.
If your car does not fall into one of the previous categories, you should be able to safely enjoy the benefits that are associated with using synthetic oil. Once you have determined that synthetic oil is right for your vehicle, you have many synthetic oil brands available for you to purchase. This 10 synthetic oil review is an ideal guide to help you find the synthetic oil that is best suited for your vehicle.