Best Synthetic Blend Oil: image
Editor's Pick

. The oil has a low-ash content and is suitable for use in diesel engines up to 4 lakh litres per year. It also provides better low-temperature performance, which helps reduce fuel consumption. The oil can be used with any type of engine from petrol to diesel. Notably, it was approved by the National Highway Traffic Safety Administration (NHTSA) in 2015.

Best Price

Engine oil Royal Purple HPS 5W-30 High Performance Street Synthetic Motor Oil with Synerlec has been developed to provide superior corrosion protection. The film is formulated with an anti-wear additive that reduces the wear on the piston rings and cylinder walls. It also offers reduced engine heat for extended engine life. The synthetic motor oil contains no harmful chemicals or additives, making it suitable for use in all types of engines. Notably, this product was launched in 2015.

Honorable Mention

Pennzoil Ultra Platinum 0W-40 motor oil is made from natural gas, not crude. The oil contains no impurities and has a low-sulphur content to help keep engines clean. It also meets the requirements of ILSAC’s GF-6 standard for engine oils. Notably, this is the first time an oil has been used in a Formula One race.

Best Synthetic Blend Oil

Top 7 Best Synthetic Blend Oil

1
Why we chose it
  • Decreases Engine Deposit Formation To Help Maximize Engine Response
  • Product Type: Auto Oil
  • Country Of Origin : United States
  • Package Weight: 5.534 Kilograms
Castrol 152D2F Edge Extended Performance 10W-30 Advanced Full Synthetic Motor Oil, 1 Quart, 6 Pack: image
98%
customers recommend this product
4.9/ 5
2

AMSOIL Signature Series 5W-30 Motor Oil (Quart)

85 ratings | 1 offers | 85 Reviews
Price starts from: $29
Why we chose it
  • Reduces Engine Wear
  • Excels in Extreme Temperatures
  • Maximizes Fuel Economy
  • Extends Drain Intervals
  • Reduces Oil Consumption and Emissions
AMSOIL Signature Series 5W-30 Motor Oil (Quart): image
96%
customers recommend this product
4.8/ 5
Mileage4.8
Sheerness4.6
Value for money4.3
3
Why we chose it
  • Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping your fuel economy
  • Provides excellent internal engine heat protection (up to 500 degrees F) and low temperatures (to -40 degrees F)
  • Helps extend engine life by working to prevent damaging deposits and sludge buildup
  • Mobil 1 High Mileage full synthetic motor oil 5W-30 is designed for engines with over 75,000 miles to go up to 10,000 miles between oil changes*
  • Helps to protect your engine from the five factors that can damage engines over time
Mobil 1 High Mileage Full Synthetic Motor Oil 5W-30, 6-Pack of 1 quarts: image
96%
customers recommend this product
4.8/ 5
Longevity5
Mileage4.8
Value for money4.6
4
Why we chose it
  • Superior corrosion protection
  • Improved sealing between the piston ring and cylinder wall maximizes horsepower and torque and optimizes fuel economy
  • Exceptionally high film strength for dramatic reductions in engine wear and reduced engine heat to extend the life of your engine
  • Proprietary Synerlec technology elevates film strength to 3X to 4X that of other synthetic engine oils for outstanding valvetrain protection
  • Fit type: Vehicle Specific
  • Formulated with up to 30% more anti-wear chemistry than other conventional and synthetic spec engine oils
Royal Purple 36530 HPS SAE 5W-30 High Performance Street Motor Oil with Synerlec, 1 Quart (Pack of 6): image
98%
customers recommend this product
4.9/ 5
Longevity4.8
Mileage4.8
Value for money4.7
Noise level4.4
5
Why we chose it
  • MINIMIZE HEAT AND ABRASION between moving parts help your high-mileage engine maintain its horsepower and perform its best for longer
  • RENEW AGING SEALS AND PREVENT LEAKS with state-of-the-art seal conditioners
  • 25% MORE PROTECTION AGAINST DEPOSITS than the industry standard with extra detergents, keeping your engine clean and sustaining its performance
  • REDUCE COSTLY REPAIRS by minimizing exhaust system damage with our fully synthetic formulation
  • 50% MORE WEAR PROTECTION than industry standard with enhanced anti-wear additives that prevent unwanted metal-on-metal contact and provide an extra layer of protection that keeps your engine in excellent shape for the many miles ahead
Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 5W-30 Motor Oil 5 QT: image
96%
customers recommend this product
4.8/ 5
Longevity4.7
Value for money4.7
Mileage4.7
Sheerness4.6
Top Pick
6
Why we chose it
  • Exceptional wear protection for longer life in a wide range of heavy-duty engine applications from pickup trucks to tractors to semi rigs
  • Better cold-cranking properties and low-temperature pumpability for reaching critical engine parts faster
  • Multi-functional dispersant additives provide an enhanced level of protection against the effects of soot, dirt, and other contaminants (compared to previous formulation)
  • Full synthetic 5W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, and improves low-temperature flow
  • 5-gallon pail
  • Increased shear stability for better viscosity control and optimal engine oil pressure
  • Advanced low ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low-emission vehicles
  • Enhanced fuel economy capability of 1.5 percent without compromising engine protection or durability (compared to 15W-40 oils)
Shell Rotella T - 550046217 6 Full Synthetic 5W-40 Diesel Engine Oil (5-Gallon Pail): image
98%
customers recommend this product
4.9/ 5
Longevity4.8
Mileage4.8
Value for money4.7
Sheerness4.6
7
Why we chose it
  • Pennzoil 0W-40 is a carbon neutral motor oil, achieved through verified Nature Based Carbon Credits that offset the CO2 lifecycle emissions
  • Pennzoil Ultra Platinum 0W-40 is the only motor oil trusted to be factory fill in every Chrysler SRT8 HEMI engine, and the SRT Viper (Chrysler, HEMI, SRT, and SRT8 are registered trademarks of Chrysler Group LLC)
  • Feel the difference of next level performance, on or off the track, with Pennzoil Ultra Platinum, motor oil designed to deliver complete engine protection.
  • Full synthetic 0W-40 engine oil made from natural gas, not crude, using Pennzoil’s patented gas-to-liquid PurePlus Technology
  • Case of six 1-quart bottles
  • Delivers unsurpassed sludge protection to help keep high-performance and luxury car engines as close as possible to factory clean (based on Sequence VH Sludge Test using SAE 5W-20)
  • The same motor oil used by Helio Castroneves in his IndyCar- Penske IZOD IndyCar series cars use Pennzoil Ultra Platinum 0W-40
  • Helps protect engines from loss of power and provides better fuel economy drive on average an extra 550 miles per year (versus a dirty engine)
  • Formulated to provide faster low-temperature oil flow and protection in extreme heat
  • Pennzoil is the first motor oil made from natural gas, not crude PurePlus Technology converts pure natural gas into high-quality, full-synthetic base oil that’s crystal clear and contains fewer impurities than other traditional and synthetic motor oils
Pennzoil Ultra Platinum Full Synthetic 0W-40 Motor Oil (1 Quart, Case of 6): image
96%
customers recommend this product
4.8/ 5
Longevity4.8
Mileage4.7
Value for money4.7
Sheerness4.5
Top Pick
Shell Rotella T - 550046217 6 Full Synthetic 5W-40 Diesel Engine Oil (5-Gallon Pail)
Shell Rotella T6 5W-40 diesel engine oil is a full synthetic motor oil that features exclusive Triple Protection Plus technology, formulated with fully synthetic base oils plus advanced additives to protect against wear, deposits, and oil breakdown. It also provides better low temperature flow and increased fuel economy performance, without compromising durability, compared to conventional SAE 15W-40 oils. Shell Rotella T6 5W-40 Full Synthetic motor oil is suitable for virtually all modern low-emission heavy duty engines and older hard working diesel engines (consult your owner's manual for heavy duty engine oil recommendations). With its wide range of specifications and approvals from many of the world's leading engine makers, it is an excellent choice for on-highway fleets, general haul, construction, agriculture, public-transport operators, and diesel pick-up trucks. Exceeds the requirements of the following industry specifications: API: CK-4, CJ-4, CI-4 PLUS, CI-4, CH-4; ACEA E9. Meets or exceeds the following OEM requirements: Allison TES 439; Caterpillar ECF-2/ECF-3; Cummins CES 20086, 20081; Detroit Fluid Specification (DFS) 93K222, 93K218; Ford WSS-M2C171-F1; JASO DH-2, JASO MA/MA2; MAN M3575; MACK EOS-4.5; MB-Approval 228.31; Volvo VDS-4.5, 4. For technical questions, contact the Shell Technical Help Desk.
Ranking the Brands
Castrol: 14.29%
Amsoil: 14.29%
Mobil 1: 14.29%
Royal Purple: 14.29%
Valvoline: 14.29%
Shell Rotella: 14.29%
Pennzoil: 14.29%

Comparison Table

Сomparison: Castrol 152D2F Edge Extended Performance 10W-30 Advanced Full Synthetic Motor Oil, 1 Quart, 6 Pack: imageСomparison: AMSOIL Signature Series 5W-30 Motor Oil (Quart): imageСomparison: Mobil 1 High Mileage Full Synthetic Motor Oil 5W-30, 6-Pack of 1 quarts: imageСomparison: Royal Purple 36530 HPS SAE 5W-30 High Performance Street Motor Oil with Synerlec, 1 Quart (Pack of 6): imageСomparison: Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 5W-30 Motor Oil 5 QT: imageСomparison: Shell Rotella T - 550046217 6 Full Synthetic 5W-40 Diesel Engine Oil (5-Gallon Pail): imageСomparison: Pennzoil Ultra Platinum Full Synthetic 0W-40 Motor Oil (1 Quart, Case of 6): image
Castrol 152D2F Edge Extended Performance 10W-30 Advanced Full Synthetic Motor Oil, 1 Quart, 6 PackAMSOIL Signature Series 5W-30 Motor Oil (Quart)Mobil 1 High Mileage Full Synthetic Motor Oil 5W-30, 6-Pack of 1 quartsRoyal Purple 36530 HPS SAE 5W-30 High Performance Street Motor Oil with Synerlec, 1 Quart (Pack of 6)Valvoline Full Synthetic High Mileage with MaxLife Technology SAE 5W-30 Motor Oil 5 QTShell Rotella T – 550046217 6 Full Synthetic 5W-40 Diesel Engine Oil (5-Gallon Pail)Pennzoil Ultra Platinum Full Synthetic 0W-40 Motor Oil (1 Quart, Case of 6)
Package InformationBottleBottleBottleBottleBottlePailBottle
Viscosity10w-305w-305w-305W-305w-305W-400W-40
BrandCastrolAmsoilMobil 1Royal PurpleValvolineShell RotellaPennzoil
Liquid Volume32 Fluid Ounces1 Quarts32 Fluid Ounces32 Fluid Ounces5 Quarts640 Fluid Ounces32 Fluid Ounces
ManufacturerCastrolAMSOIL INC.Mobil 1Royal PurpleValvolineRotellaPennzoil
Item Weight12.17 pounds1.76 pounds2 pounds2 pounds9.46 pounds40 pounds1 ounces
Size1 Quart – 6 Pack5 QT1 Quart
Product Dimensions3.54 x 2.95 x 8.46 inches9.13 x 7.75 x 9.75 inches4.25 x 1.75 x 8.75 inches8.22 x 4.6 x 12.66 inches12 x 12 x 16 inches
Is Discontinued By ManufacturerNoNoNoNo
Vehicle Service TypeCar, TruckMotorcycle, Car, TruckCar

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