We consider a weight synthetic oil to be a worthy investment in the long run. Let’s take you step by step, type by type, and find the best weight synthetic oil for you.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Mobil 1 Motor Oil READ REVIEW

Best For Diesel: Buy: Royal Purple Weight Synthetic Oil READ REVIEW

Best For Gasoline Engine: Buy: Briggs Stratton Weight Synthetic Oil READ REVIEW

Best With Fast Shipping: Buy: Amazon Basics Weight Synthetic Oil READ REVIEW

Best For Engine Noise: Buy: Castrol Weight Synthetic Oil READ REVIEW

Best For Extreme Performance: Buy: Pennzoil Weight Synthetic Oil READ REVIEW

Best For Older Cars: Buy: Valvoline Weight Synthetic Oil READ REVIEW

Best For Shifting: Buy: Pennzoil Synthetic Motor Oil READ REVIEW

Best For Cheap Price: Buy: Valvoline High Mileage Oil READ REVIEW

Best For Fair Price: Buy: Mobil 1 Weight Synthetic Oil READ REVIEW

Best For Flat Tappet: Buy: Mobil Weight Synthetic Oil READ REVIEW

Best For Motorcycle: Buy: Lucas Oil Weight Synthetic Oil READ REVIEW

Best Overall: Mobil 1 Motor Oil

Buy on Amazon

The mobile 1 motor oil's superior materials make sure that it ages well with use. The mobile 1 motor oil allows for excellent overall lubrication and it is highly recommend. Make sure this fits by entering your model number. And, it has features for the lowest price and it is strong.

The oil is happy with the price, has the best price and it is safe. Further, the oil is a high-performance motor oil for all types of cars where this viscosity is recommended. Most importantly, the mobile 1 motor oil is great for the cheapest price, good enough and it is comfortable.

Almost all buyers opine that the oil is easy to spill when pouring. In addition, a few say that the oil is used to using their dealerships' bulk oil that they pump it in without thinking. Moreover, a few say that the oil is directly in the middle on the hashed line on the dipstick after adding the new oil, letting the engine run and after sitting for an hour. Overall, many customers have used the mobil 1 motor oil for more than a few months without any complaints, and it shows no sign of giving up.

• This has extended life and it has wear protection performance.
• This can be bought for good value and it is used for lawn mowers.
• Excellent low-temperature capabilities; helps extend engine life and reduce stress on starting system components.
• This is factory spec for a 2500hd truck.

Best For Diesel: Royal Purple Weight Synthetic Oil

Buy on Amazon

We would, of course, be remiss if we didn't mention Royal Purple Weight Synthetic Oil for regular usage. The royal purple weight synthetic oil can royal purple motor oil be used in older engines. Meets ilsac gf-5 and dexos1 performance requirements. The removal of extensive oil deposits can expose marginal or damaged oil seals, which may then leak.

The oil is idle, is used for other brands and it is perfect for heavy duty. And, the oil is for gasoline engines and it is highly recommend. Most importantly, the royal purple weight synthetic oil is good for oil for briggs and it is available in multi-grade.

Almost all customers agree that the oil is perfect for small gas engines. Also, they say that the oil is supposed to thicken like 30w. In conclusion, the tone of buyers is very positive and we believe that the oil suits the purpose.

• This is available in both multi-grade and monograde oil viscosities, each of which meets api.
• It is amazing the difference between starting and running in cold weather.
• Improved compatibility with fuels containing ethanol.
• This cleans better than standard oil.

Best For Gasoline Engine: Briggs Stratton Weight Synthetic Oil

Buy on Amazon

For a low asking price, Briggs Stratton weight synthetic oil has managed to overwhelm their customers by packing as many features as they could. The Briggs Stratton weight synthetic oil reduces the risk of equipment failure, promotes trouble - free operation, reduces maintenance costs, extends service life, and long term engine durability. Synthetic oil gives your engine better viscosity temperature response, better low temperature fluidity, better thermal stability, better oxidation stability, lower volatility, better deposit control, and better wear control. This grade of oil improves cold weather starting, but may increase oil consumption.

The oil lasts longer and it is good for weed eaters. Also, this is commercial, allows for easy starts and it is strong. Finally, the Briggs Stratton weight synthetic oil is overhead and it runs much better.

Most customers found that the oil can be used as a mix with gasoline for two - cycle motors. And, a few also found that the oil is an air cooled 4 cycle which calls for 5w-30 viscosity synthetic oil. The answer is yes, because that is what the oil is rated for. Also, they also found that note: if the clutch is separate from the engine oil, then yeah, you could use practically anything from 5w30, 10w30, 10w40, 15w40, etc, based on your location, and climate. In conclusion, many buyers have used the Briggs Stratton weight synthetic oil for more than a few months without any problems, and it shows no sign of giving up.

• This is a 10 year old craftsman.
• This takes and gets that weight oil for air cooled motors.
• For use in all air - cooled 4-cycle engines.
• There's nothing like kicking back with a glass of this oil, hold the ice.

Best With Fast Shipping: Amazon Basics Weight Synthetic Oil

Buy on Amazon

Amazon Basics offers a variety of oil for personal choice and yet maintains quality in all the variants. The amazon basic weight synthetic oil is inexpensive and it can be checked for high resistance to viscosity. For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual. In addition, its price is great and it can qualify for free shipping.

Most importantly, the amazon basic weight synthetic oil is very clean and it allows for better fuel economy.

Most customers quickly discovered that the oil was the reason why the manufacturer chose a specific oil. And, they strongly agree that the oil is a much higher quality oil. Further, a few strongly agree that this would be the best oil to use, knowing it is the top of the line oil.

• This is perfect for specific gravity and it can be bought for a better price.
• This is a great match for your vehicle's needs.
• This can ’t be mixed with gas.
• This is for quality control, lubed up and it is for a nice price.

Best For Engine Noise: Castrol Weight Synthetic Oil

Buy on Amazon

The Castrol Weight Synthetic Oil is suitable and reliable and fits well with your daily use. The castrol weightsynthetic oil is affordable, is built at first - rate and it is accurate. Make sure this fits by entering your model number. And, this meets the standards and it works better than expected.

The oil is green, has excellent wear and it has the best price. Most importantly, the castrol weight syntheticoil is designed for engine noise, works for rear main seal and it can be trusted for the highest quality.

Most customers opine that the oil includes the magnatec engineering. Moreover, a few strongly agree that oil is great for those aging cars. Also, they also found that this oil will not harm any internally lubricated part(s ), and in fact offers superior protection from heat and friction.

• This will work great in your bmw.
• This is used to use a quart every 3k mi.
• This is the right oil for d21 and wd21 style nissan hardbodies.
• This is generally better fuel efficiency because the oil is thinner.

Best For Extreme Performance: Pennzoil Weight Synthetic Oil

Buy on Amazon

The Pennzoil Weight Synthetic Oil is suitable and reliable and fits well with your daily use. The pennzoil weight synthetic oil is made for extreme performance, pennzoil ultra platinum outperforms conventional oils in terms of low-temperature performance and volatility control. For maximum performance, your engine needs to be clean of deposits. In addition, it is designed for good mileage and it is made for good value.

The oil works for the rear main seal, allows for better fuel economy and it is soft. Moreover, this is ideal for stop-and-go driving, frequent short trips, heavy loads, unpaved roads, and dusty conditions. Finally, the pennzoil weight synthetic oil has great mileage and it is select.

Almost all customers opine that the oil takes 0-40w. This will be the best thing for your car, and saves some gas mileage if driven easily. Also, they strongly agree that the oil will bring high milage. Additionally, it is good for a 3.5 l v6. Moreover, they say that the official answer from pennzoil is that you should change it as per the manufacturer 's recommendations. Overall, the tone of buyers is very positive and we believe that oil suits the purpose.

• This looks like a 2016 pathfinder takes 0w40 motor oil.
• This is suitable for all cars and it is made for great protection.
• Manufacturer says: all our innovation boils down to one thing.
• Pennzoil synthetic motor oil gives you unbeatable engine protection.

Best For Older Cars: Valvoline Weight Synthetic Oil

Buy on Amazon

The Valvoline Weight Synthetic Oil is satisfactory and appropriate and fits well with your daily use. The valvoline weight synthetic oil allows for very convenient packaging, going strong and it is best for high temperature tolerance. Enhanced friction performance helps maximize power with advanced friction-fighting agents that properly lubricate moving parts and help your older engine maintain its horsepower to perform its best for longer. The weather with superior viscosity modifiers to ensure oil flows more easily, coats more completely, and resists thermal breakdown even in the fiercest driving conditions.

The oil keeps it clean and I decided to use. it. Lastly, the valvoline weightsynthetic oil comes with fast shipment and it is great for easy pour spout.

Almost all buyers quickly discovered that the oil is designed to help higher - mileage engines with lubrication. Moreover, a few say that oil is a good price for quality motor oil. Moreover, a few also found that the oil is a defect that the manufacturer should look into since there are many reviews with the same problem. Consequently, buyers were eager to recommend it to friends and would-be buyers.

• This is reasonable, has a big difference and it has the best price.
• This is purring like a kitten.
• This makes for better wear protection and it can get for a reasonable price.
• This is best for long distance driving and it is durable.

Best For Shifting: Pennzoil Synthetic Motor Oil

Buy on Amazon

We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate oil. The Pennzoil Synthetic Motor Oil is exactly that - it's a simple oil that hits all the right notes. The pennzoil synthetic motor oil is used for other brands and it can rotate for better wear protection. Make sure this fits by entering your model number. In addition, it is made using cafe cycle under ftp75.

Oil has the best price and it has some fun. Further, it is made for extreme performance, Pennzoil platinum offers excellent performance in extreme temperatures—delivering faster low temperature oil flow and protecting in extreme heat. Finally, the pennzoil synthetic motor oil runs smoother and it allows for better fuel economy.

Almost all customers found that the oil is an excellent synthetic oil, feels engine smooth. In addition, a few strongly agree that the oil is synthetically oily, as synthetic oil should be. Moreover, a few say that the oil will also tell you what weight of oil to use in different seasons with a recommendation of a general use weight of oil. As a result, customers were very happy to recommend it to friends and families.

• Pennzoil synthetic motor oil gives you unbeatable engine protection.
• For maximum performance, your engine needs to be clean of deposits.
• Formulated to provide faster low-temperature oil flow and protection in extreme heat.
• This oil is great for turbo charged applications as mentioned by another reviewer.

Best For Cheap Price: Valvoline High Mileage Oil

Buy on Amazon

If you often find yourself scrambling for convenient and suitable oil, Valvoline High Mileage Oil is your solution. The valvoline high mileage oil is idle and it is safe. Manufacturer says: Our commitment to performance, quality, and innovation has gone into every product we make. Moreover, it is very quiet, is strong, it works as advertised and has a nice design.

The oil works the same and it is black. Lastly, the valvoline high mileage oil runs the same and it is accurate.

Most buyers find that the oil is perfect for placing used oil in after use for recycling. And, a few strongly agree that oil is not far from reality. And, they strongly agree that oil has 9-5 jobs like everybody else and may work tons of overtime.

• Optimize power & fuel efficiency with our low friction technology.
• This comes with excellent customer service and it is good for a cheap price.
• Exceptional temperature protection defends your engine in even the most severe weather.
• This is good for low friction and it is made for very good quality.

Best For Fair Price: Mobil 1 Weight Synthetic Oil

Buy on Amazon

The Mobil 1 Weight Synthetic Oil is the most suitable oil on the market today. The mobil 1 weight syntheticoil is made for heavy duty, is super smooth and it features the best price. Make sure this fits by entering your model number. Also, the oil does the job, is reasonable and it is made for light trucks.

Finally, the mobil 1 weight synthetic oil is American leading synthetic motor oil brand at retail***, recommended by car builders and experienced mechanics, and is the official motor oil of nascar.

Most customers found that the oil will last 10, 000 miles or 1 year. Also, a few also found that the oil is recommended for Mb, Porsche, vag. And, they say that the oil is good oil for bearing protection at a good price. So, buyers were eager to recommend it to friends and would-be buyers.

• This protects for up to 10, 000 miles or 1 year, whichever comes first.
• Its uniform synthetic oil molecules reduce friction, helping to prevent deposits and sludge buildup.
• This is the same part number as the former mobil1 rally formula fs5w-50.
• This can be used on an engine in hot areas like Texas.

Best For Flat Tappet: Mobil Weight Synthetic Oil

Buy on Amazon

If you often find yourself scrambling for convenient and suitable oil, Mobil Weight Synthetic Oil is your solution. The mobil weight synthetic oil is made worth the price and it has for other brands. 50 advance full synthetic motor oil mobil 1 provides exceptional protection against engine war to keep your engine running like new. Moreover, it is suitable for flat tappet and it makes it much quieter.

The oil is designed for plastic bottles and it is good for low viscosity. Above all, the mobil weight synthetic oil is good for a better price and it is made for good stuff.

Most buyers found that the oil is designed for antique autos with solid lifters and no catalytic converter. In addition, they strongly agree that the oil can be used anywhere, 15w-50 is called for. Moreover, they say that this oil is nice and thick and does n't dilute as fast as 5w40 and 0w40 oil. Overall, the tone of buyers is very positive and we believe that oil suits the purpose.

• This is perfectly every time for thousands of miles.
• This is safe and it works for lawn mowers.
• This protects against wearing out the camshaft on that type of tappet/ lifter.

Best For Motorcycle: Lucas Oil Weight Synthetic Oil

Buy on Amazon

The lucas oil weights synthetic oil's high-end materials, making sure that it ages well with use. The luca oil weight synthetic oil runs cooler, is designed to be worth every penny and it is designed for top quality. Lucas oil has put all of its race - bred technology into this oil to help your engine run cooler, smoother and longer. Further, it sounds great and it is good for your country of origin. Most importantly, the Lucas Oil Weight Synthetic Oil is highly recommended and it held up well.

In addition, a few also found that the oil can ( which is under the seat ) would get super hot and know it does not.

• Package dimensions: 8.75 l x 9.13 h x 7.75 w (inches).
• Country of origin : United States.
• Good brand reputation.