Best 10w40 Synthetic Oil: image
Best Overall

Formula One racer ValvolineTM 4-Stroke Full Synthetic Motorcycle Oil has been formulated for the specific needs of high-performance motorcycles, including high RPMs and wet clutch systems. The oil contains no harmful additives or synthetic oils. It’s designed to provide maximum protection against harmful deposits that can decrease engine performance. Notably, the formula was developed in conjunction with Formula One team Lotus.

Value for Money

Castrol POWER1 4T with Power Release Formula has been designed to deliver maximum engine performance and minimize internal engine friction. The formula is specially developed for 4-stroke motorcycles, which are subjected to the strictest safety standards in the world. It also contains anti-wear additives that help reduce wear and tear on the engine. Notably, it was approved by the European Commission in 2016. The product is available in petrol and diesel versions.

Most Discussed

Engine oil, developed by MaxLife Technology, has been formulated to provide the best possible protection against wear and tear on moving parts. The additives are specially formulated to prevent deposits, sludge, and corrosion in extreme conditions. It is also designed to help reduce friction between oils and ensure that they don’t cause any damage to the engine. The premium motor oil contains no harmful chemicals or additives. Notably, it was launched in 2015.

Best 10w40 Synthetic Oil

Top 10 Best 10w40 Synthetic Oil

Top Pick
1
Why we chose it
  • Formulated to provide outstanding wet clutch protection for maximum power transfer and smooth shifting
  • Excellent wear and corrosion protection to help keep the engine performing its best
  • Added protection against harmful deposits that can decrease engine performance
  • Full synthetic formula helps maximize power and acceleration
Valvoline 4-Stroke Motorcycle Full Synthetic SAE 10W-40 Motor Oil 1 QT: image
98%
customers recommend this product
4.9/ 5
2
Why we chose it
  • Exceeds ILSAC GF-5, API SN
  • Superior detergency that helps prevent deposit build up
  • Advanced additives that help prevent engine wear
  • Superior oil burn off protection versus leading conventional oils
  • Seal conditioners help reduce leaks Bottle Color: Green
Castrol 03111C GTX High Mileage 10W-40 Synthetic Blend Motor Oil, 5 Quart: image
96%
customers recommend this product
4.8/ 5
Mileage4.8
Longevity4.8
Value for money4.8
Flavor4.7
Sheerness4.7
3
Why we chose it
  • 40% BETTER WEAR PROTECTION than the industry standard with enhanced anti-wear additives, keeping critical engine components safe and preventing metal surfaces from making contact
  • 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
  • REDUCE SLUDGE, DEPOSITS, CORROSION, AND RUST with added detergents and anti-corrosion additives, sustaining your engine s performance and preventing higher emissions
  • REFRESH AGING SEALS AND PREVENT LEAKS both inside and outside your engine with premium seal conditioners
  • EXCEPTIONAL TEMPERATURE PROTECTION no matter 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
Valvoline High Mileage with MaxLife Technology SAE 10W-40 Synthetic Blend Motor Oil 5 QT (Packaging May Vary): image
96%
customers recommend this product
4.8/ 5
Sheerness4.8
Value for money4.7
Mileage4.7
Longevity4.5
Flavor4.3
4
Why we chose it
  • Excellent shear stability to prevent viscosity breakdown
  • Exceeds API SL and JASO MA-2
  • Formulated with Trizone technology to protect all 3 critical zones: engine, clutch and gearbox
  • Extreme high temperature air-cooled performance and water-cooled engine performance
  • Race derived technology for maximum engine acceleration
Castrol 06112 POWER 1 4T 10W-40 Synthetic Motorcycle Oil, 1 Quart Bottle, 6 Pack (15D1C9): image
96%
customers recommend this product
4.8/ 5
Sheerness5
Mileage4.7
Longevity4.7
Value for money4.6
5
Why we chose it
  • Product Type: Auto Oil
  • Package Weight: 5.557 Kilograms
  • Country Of Origin : United States
  • Superior Performance Against Deposits, Wear And Oxidation
Castrol 06246 EDGE 10W-40 Advanced Full Synthetic Motor Oil, 1 Quart, 6 Pack: image
98%
customers recommend this product
4.9/ 5
Value for money4.8
Mileage4.8
Sheerness4.7
Longevity4.7
6

Motul 300V 4T Factory Line 10W-40 Synthetic Oil 4 Liters (104121)

1,083 ratings | 31 offers | 1,083 Reviews
Price: $54.96$99.23
Why we chose it
  • For best performance, follow the manufacturer’s recommendations in your vehicle owner s manual.
Motul 300V 4T Factory Line 10W-40 Synthetic Oil 4 Liters (104121): image
98%
customers recommend this product
4.9/ 5
Mileage4.8
Value for money4.7
7
Why we chose it
  • PROVEN TO MINIMIZE EVERYDAY WEAR on your engine by providing consistent lubrication and defense
  • OPTIMIZE POWER & FUEL EFFICIENCY with our low friction technology
  • REDUCE COSTLY REPAIRS by protecting critical engine components
  • RESIST OIL BREAKDOWN & SLUDGE with added detergents to keep your engine clean
  • EXCEPTIONAL TEMPERATURE PROTECTION defends your engine in even the most severe weather
Valvoline Daily Protection SAE 10W-40 Synthetic Blend Motor Oil 5 QT (Packaging May Vary): image
96%
customers recommend this product
4.8/ 5
Value for money4.5
Mileage4.5
Sheerness4.5
Longevity4.5
Flavor3.6
8

Motul 7100 4T 10W-40 Synthetic Oil 1 Liter (104091)

3,193 ratings | 37 offers | 3,193 Reviews
Price: $12.09$31.87
Why we chose it
  • Excellent for sport bikes, street bikes and off-road bikes
  • Low sulfur and phosphorus formula for bikes fitted with catalytic converters
  • Meets the following standards: API SN and JASO MA2. Backwards compatible with API SM/SL/SJ/SH/SG
  • Each bottle has a built-in pour spout to avoid spills
  • Ester Core technology offers improved engine protection, performance and reduced oil consumption
  • Proprietary extreme pressure formula to protect the gearbox
Motul 7100 4T 10W-40 Synthetic Oil 1 Liter (104091): image
96%
customers recommend this product
4.8/ 5
9

Motul 5100 10W-40 4T Synthetic Blend Engine Oil, 4-Liters

190 ratings | 9 offers | 190 Reviews
Price: $40.77$64
Why we chose it
  • Proprietary extreme pressure formula to protect the gearbox
  • Newest API rating of SL for catalytic converters
  • Meets the following standards: API SL/SH/SG and JASO MA
  • Recommended for all 4-stroke engines
  • Ester technology to improve engine response
Motul 5100 10W-40 4T Synthetic Blend Engine Oil, 4-Liters: image
96%
customers recommend this product
4.8/ 5
Mileage4.7
Longevity4.7
Value for money4.6
10
Why we chose it
  • Provides excellent protection against wear under severe running conditions at both high and low extremes of temperatures
  • 10W-40 Full Synthetic
  • Specially developed for high performance engines
  • Superseded From: 3847307
Volvo Penta New OEM 10W-40 Full Synthetic Gasoline Engine Oil, 21681795: image
96%
customers recommend this product
4.8/ 5
Top Pick
Valvoline 4-Stroke Motorcycle Full Synthetic SAE 10W-40 Motor Oil 1 QT
Valvoline™ 4-Stroke Full Synthetic Motorcycle Oil delivers performance trusted by motorcycle owners and race teams around the world. It's formulated for the specific needs of high-performance motorcycles, including high temperatures, high RPMs, and wet clutch systems.
Ranking the Brands
Valvoline: 30.00%
Castrol: 30.00%
Motul: 30.00%
: 10.00%

Comparison Table

Сomparison: Valvoline 4-Stroke Motorcycle Full Synthetic SAE 10W-40 Motor Oil 1 QT: imageСomparison: Castrol 03111C GTX High Mileage 10W-40 Synthetic Blend Motor Oil, 5 Quart: imageСomparison: Valvoline High Mileage with MaxLife Technology SAE 10W-40 Synthetic Blend Motor Oil 5 QT (Packaging May Vary): imageСomparison: Castrol 06112 POWER 1 4T 10W-40 Synthetic Motorcycle Oil, 1 Quart Bottle, 6 Pack (15D1C9): imageСomparison: Castrol 06246 EDGE 10W-40 Advanced Full Synthetic Motor Oil, 1 Quart, 6 Pack: imageСomparison: Motul 300V 4T Factory Line 10W-40 Synthetic Oil 4 Liters (104121): imageСomparison: Valvoline Daily Protection SAE 10W-40 Synthetic Blend Motor Oil 5 QT (Packaging May Vary): imageСomparison: Motul 7100 4T 10W-40 Synthetic Oil 1 Liter (104091): imageСomparison: Motul 5100 10W-40 4T Synthetic Blend Engine Oil, 4-Liters: imageСomparison: Volvo Penta New OEM 10W-40 Full Synthetic Gasoline Engine Oil, 21681795: image
Valvoline 4-Stroke Motorcycle Full Synthetic SAE 10W-40 Motor Oil 1 QTCastrol 03111C GTX High Mileage 10W-40 Synthetic Blend Motor Oil, 5 QuartValvoline High Mileage with MaxLife Technology SAE 10W-40 Synthetic Blend Motor Oil 5 QT (Packaging May Vary)Castrol 06112 POWER 1 4T 10W-40 Synthetic Motorcycle Oil, 1 Quart Bottle, 6 Pack (15D1C9)Castrol 06246 EDGE 10W-40 Advanced Full Synthetic Motor Oil, 1 Quart, 6 PackMotul 300V 4T Factory Line 10W-40 Synthetic Oil 4 Liters (104121)Valvoline Daily Protection SAE 10W-40 Synthetic Blend Motor Oil 5 QT (Packaging May Vary)Motul 7100 4T 10W-40 Synthetic Oil 1 Liter (104091)Motul 5100 10W-40 4T Synthetic Blend Engine Oil, 4-LitersVolvo Penta New OEM 10W-40 Full Synthetic Gasoline Engine Oil, 21681795
Package InformationCanBottleBottleBottleBottleBottleBottleBottleBottle
Viscosity10w-4010w-4010w-4010w-4010w-4010w-4010w-4010w-4010w-40
BrandValvolineCastrolValvolineCastrolCastrolMotulValvolineMotulMotul
Liquid Volume1 Quarts160 Fluid Ounces15 Quarts32 Fluid Ounces32 Fluid Ounces5 Quarts128 Fluid Ounces
ManufacturerValvolineCastrolValvolineCastrolCastrolMotulValvolineMotulMotul
Item Weight1.75 pounds9.58 pounds9.59 pounds2 pounds12.23 pounds8 pounds9.59 pounds1.9 pounds7.6 pounds
Product Dimensions4.23 x 2.65 x 9 inches11.6 x 9 x 4.5 inches8.22 x 4.6 x 12.66 inches7.09 x 4.33 x 11.02 inches8.22 x 4.6 x 12.66 inches7.1 x 3.8 x 11.6 inches
Size1 QT10W-401 Quart – 6 Pack5 QT
Vehicle Service TypeCarCarAll-terrain-vehicles;utility-vehicles;street-sport-motorcycles;off-road-motorcycles;street-cruiser-motorcycles;street-touring-motorcycles;street-motor-scooters;snowmobiles;marine-personal-craftAll-terrain-vehicles;utility-vehicles;street-sport-motorcycles;off-road-motorcycles;street-cruiser-motorcycles;s… See moreAll-terrain-vehicles;utility-vehicles;street-sport-motorcycles;off-road-motorcycles;street-cruiser-motorcycles;street-touring-motorcycles;street-motor-scooters;snowmobiles;marine-personal-craftAll-terrain-vehicles;utility-vehicles;street-sport-motorcycles;off-road-motorcycles;street-cruiser-motorcycles;s… See more
Is Discontinued By ManufacturerNoNoNoNoNo

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