Finding a castrol synthetic oil 5w40 that suits your need and does its job well can be challenging. Overall, our tester reviews these castrol synthetic oil 5w40 with giving ratings and marks for its durability, ease of setup and use. Also the castrol synthetic oil 5w40 price will be fairly matched the product’s performance, plus with the attractive and sturdy design etc that comes with the product. We conducted hands-on testing for castrol synthetic oil 5w40 and have the details guide and list provided below.
In this in-depth review guide, we will discuss about the best castrol synthetic oil 5w40.
A Quick Comparison of Our Favorites
The Best castrol synthetic oil 5w40
Castrol EDGE 5W-40 A3/B4 Advanced Full Synthetic Motor Oil, 1 Quart, 6 Pack
$43.81 in stock
7 new from $43.81
3 used from $43.37
3 used from $43.37
Free shipping
Amazon.com
as of July 29, 2025 7:58 am
Features
- 1.2X Better viscosity control to help engines run better for longer*
- 2X Better engine cleanliness to help maximize engine performance*
- *As measured in DV6 test vs. test limit
- Approved and licensed specifications: ACEA A3/B4 and API SP
- BMW Longlife-01
Castrol 06113 Power RS 5W-40 4-Stroke Motorcycle Oil - 1 Quart, (Pack of 6)
$59.62 in stock
8 new from $56.98
1 used from $58.16
1 used from $58.16
Free shipping
Amazon.com
as of July 29, 2025 7:58 am
Features
- Formulated with Trizone technology to protect all 3 critical zones: engine, clutch and gearbox
- Race derived technology for maximum engine acceleration
- Extreme high temperature air-cooled performance and water-cooled engine performance
- Excellent shear stability to prevent viscosity breakdown
- Exceeds API SL and JASO MA-2
Castrol Power 1 Racing 4T Motorcycle Oil - 5W40-1qt. 06113
$17.44 in stock
16 new from $17.44
Free shipping
Amazon.com
as of July 29, 2025 7:58 am
Features
- Race-derived technology for maximum engine acceleration
- Extreme high temperature air-cooled performance and water-cooled engine performance
- Excellent shear stability to prevent viscosity breakdown
- Fit Type: Vehicle Specific
Castrol Power 1 10W-40 Full Synthetic Motorcycle Oil (06112)
$19.99
in stock
5 new from $19.99
Amazon.com
as of July 29, 2025 7:58 am
Features
- Product Type :Auto Part
- Package Dimensions :4.4" L X2.41" W X8.47" H
- Country Of Origin :United States
- Package Weight :1.0Lbs
Castrol EDGE 5W-30 Advanced Full Synthetic Motor Oil, 5 Quart Eco-Pack
out of stock
Amazon.com
as of July 29, 2025 7:58 am
Features
- Castrol Eco Pack is an environmentally conscious packaging solution with 70% less plastic than a standard 5 quart jug and the outer corrugate shell that is completely recyclable
- Our NEW Eco Pack is filled with Castrol EDGE which is now certified carbon neutral in compliance with PAS2065
- Castrol EDGE Full Synthetic Motor Oil with Fluid TITANIUM Technology, is Castrol’s strongest oil and the natural choice for drivers who want the best combination of sludge protection, wear protection and maximum engine performance.
- 6X better wear protection than required by the latest Sequence IVA test limits and 10X Better High Temperature performance as measured in Sequence IIIH engine test vs. API SP test limit
- Specifications - 5W-30: API SP/SN PLUS/SN, ILSAC GF-6, ACEA A1/B1, A5/B5, C2, GM Dexos 1 Gen 2, Meets Ford WSS-M2C946-B1, Meets Ford WSS-M2C961-A1, Meets engine test requirements of Chrysler MS 6395 and 13340
Castrol GTX High Mileage 10W-40 Synthetic Blend Motor Oil, 5 Quarts
$20.58 in stock
Amazon.com
as of July 29, 2025 7:58 am
Features
- Phosphorus Replacement Technology helps extend emission system life
- Superior dispersancy that fights sludge build up
- Exceptional oil burn-off protection exceeding industry standards* | Seal conditioners to help reduce leaks
- Advanced additives that help prevent engine wear | Improved Fuel Economy**
Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts
$36.99
in stock
4 new from $36.99
1 used from $27.00
1 used from $27.00
Free shipping
Amazon.com
as of July 29, 2025 7:58 am
Features
- 6X better wear protection on critical engine parts than industry standards**
- 1.3X better sludge protection than industry standards*
- 3X Stronger against viscosity breakdown than leading full synthetic^
- Protection for 10,000 miles between oil changes
- *As measured in Sequence VH sludge test vs. API SP limits
Castrol - 15B5FC-3PK EDGE 0W-40 A3/B4 Advanced Full Synthetic Motor Oil, 5 Quart, 3 Pack
$99.38
in stock
Amazon.com
as of July 29, 2025 7:58 am
Features
- 42 percent better rating on fighting power robbing deposits
- Superior engine protection vs conventional and synthetic blend oils
- Superior performance against deposits, wear and oxidation; Bottle Color: Black
- API SN/CF, ACEA A3, ACEA B3, ACEA B4, A3/B4 certified
Castrol 06112 POWER 1 4T 10W-40 Synthetic Motorcycle Oil, 1 Quart Bottle, 6 Pack (15D1C9)
$64.99
in stock
3 new from $64.99
1 used from $61.09
1 used from $61.09
Free shipping
Amazon.com
as of July 29, 2025 7:58 am
Features
- Formulated with Trizone technology to protect all 3 critical zones: engine, clutch and gearbox
- Race derived technology for maximum engine acceleration
- Extreme high temperature air-cooled performance and water-cooled engine performance
- Excellent shear stability to prevent viscosity breakdown
- Exceeds API SL and JASO MA-2
Castrol 03057 GTX MAGNATEC 5W-30 Full Synthetic Motor Oil, Green, 5 Quart
$37.56
in stock
4 new from $37.56
Free shipping
Amazon.com
as of July 29, 2025 7:58 am
Features
- ATTENTION: Castrol GTX Magnatec will be transitioning to a brand NEW Castrol product, GTX Full Synthetic, on January 1st 2022.
- Dramatically reduce engine wear
- Leave critical engine parts 4X smoother. As tested in the industry Sequence IVA wear test
- Superior wear protection on critical engine parts
- For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
The Video Review of Best castrol synthetic oil 5w40
The Verdict
When you’re looking for castrol synthetic oil 5w40, you’ll want to keep a few things in mind. First, decide what you want to use the castrol synthetic oil 5w40 for. Next, check the product reviews with comparision which we have listed as well. Once you’ve decided on castrol synthetic oil 5w40 you want to buy castrol synthetic oil 5w40, look at the reputation of the manufacturer as well. You can compare prices and quality together before you make your purchase.