Best Castrol Car Engine Oils of 2025

Joseph Prokop Avatar
Joseph Prokop
Last Updated: 11 Feb 2025

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Car engine oils are essential for maintaining the longevity and performance of your vehicle's engine. Castrol is a brand that has been trusted by car owners for decades to provide high-quality engine oils. Their range of engine oils is designed to provide superior engine protection, improved fuel efficiency, and reduced emissions. Whether you have a petrol or diesel engine, Castrol has a product that will meet your needs. With their expertise in lubrication technology, Castrol engine oils can help to keep your engine running smoothly for longer, providing peace of mind and saving you money in the long run.

At a Glance: Our Top Picks

Castrol EDGE 5W-30 LL Engine Oil 5L Cover #TOP 1
Castrol EDGE 5W-30 LL Engine Oil 5L
ftb score rating icon 9.9
Castrol MAGNATEC 5W-30 C3 Engine Oil 1L Cover #TOP 2
Castrol MAGNATEC 5W-30 C3 Engine Oil 1L
ftb score rating icon 9.8
Castrol EDGE 0W-30 Engine Oil for Maximum Performance Cover #TOP 3
Castrol EDGE 0W-30 Engine Oil for Maximum Performance
ftb score rating icon 9.6

Top 10 Castrol Car Engine Oils

#TOP 1

Castrol EDGE 5W-30 LL Engine Oil 5L

CAstrol 5W30 LL
Castrol EDGE 5W-30 LL Engine Oil 5L Cover
Castrol EDGE 5W-30 LL Engine Oil 5L

Castrol EDGE Engine Oil is designed for a wide range of vehicles, including those from ACEA, VW, BMW, Porsche, and Mercedes. It meets several high standards, ensuring compatibility with various car brands. This oil protects your engine throughout the entire drain interval, even under extreme pressure, giving you peace of mind during long drives. Additionally, it lowers friction, which can significantly enhance engine performance, allowing your vehicle to run more efficiently and smoothly. With this oil, you can trust that your engine is well protected and performing at its best.

What We Like
Wide compatibility with car brands
Protects under extreme pressure
Reduces engine friction
Maximises performance
#TOP 2

Castrol MAGNATEC 5W-30 C3 Engine Oil 1L

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Castrol MAGNATEC 5W-30 C3 Engine Oil 1L Cover
Castrol MAGNATEC 5W-30 C3 Engine Oil 1L

Castrol MAGNATEC Engine Oil is designed for various car brands, including BMW and Mercedes. Its DUALOCK technology creates a protective self-healing layer on metal surfaces, ensuring your engine remains safe even in heavy traffic. This oil delivers consistent protection, adapting to different driving conditions, styles, and temperatures. Moreover, it excels during extreme cold starts, helping you maintain reliable engine performance regardless of the weather. With this engine oil, you can enjoy peace of mind knowing your vehicle is well-protected.

What We Like
Self-healing protective layer
Consistent protection in all conditions
Excellent cold start performance
Compatible with multiple brands
#TOP 3

Castrol EDGE 0W-30 Engine Oil for Maximum Performance

15F640
Castrol EDGE 0W-30 Engine Oil for Maximum Performance Cover
Castrol EDGE 0W-30 Engine Oil 4L

Castrol EDGE Engine Oil is a top choice for maintaining your vehicle's performance. It is suitable for various specifications, including ACEA and API standards. This oil, enhanced with Titanium FST, ensures that your engine performs optimally, even under pressure. By improving engine efficiency, it helps you save on fuel costs and prolongs the life of your engine. Additionally, its ability to lower friction means smoother operation, allowing you to enjoy a more responsive driving experience.

What We Like
Boosted with Titanium FST
Improves engine efficiency
Lowers friction
Suitable for many specifications
#TOP 4

Castrol MAGNATEC 5W-40 C3 Engine Oil 5L

Castrol
Castrol MAGNATEC 5W-40 C3 Engine Oil 5L Cover
Castrol MAGNATEC 5W-40 C3 Engine Oil 5L

Castrol MAGNATEC Engine Oil is designed for both gasoline and diesel engines, providing excellent protection where ACEA C3 and API SN specifications are recommended. This oil bonds to metal surfaces, enhancing resistance to wear and prolonging engine life. Its synthetic technology ensures reliable performance in both high and low temperatures, making it suitable for a variety of driving conditions. With non-stop protection from the very first start, you can drive with confidence knowing your engine is well-protected.

What We Like
Reduces engine wear
High and low temperature protection
Suitable for various engines
Non-stop start protection
#TOP 5

Castrol MAGNATEC 5W-20 Engine Oil 1L

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Castrol MAGNATEC 5W-20 Engine Oil 1L Cover
Castrol MAGNATEC 5W-20 E Engine Oil 1L

Castrol MAGNATEC Engine Oil is designed for vehicles requiring a 5W-20 lubricant that meets Ford WSS-M2C948-B specifications. It features DUALOCK technology, which creates a self-healing layer to cling to metal surfaces, ensuring your engine is protected even in busy traffic. This oil provides continuous protection across all driving conditions, styles, and temperatures, making it versatile for every journey. Furthermore, it performs exceptionally well during extreme cold starts, giving you peace of mind when you need it most.

What We Like
Meets Ford specifications
Self-healing protection
Versatile for all conditions
Excellent cold start performance
#TOP 6

Castrol MAGNATEC 0W-30 C2 Engine Oil 1L

Castrol
Castrol MAGNATEC 0W-30 C2 Engine Oil 1L Cover
Castrol MAGNATEC 0W-30 C2 Engine Oil 1L

Castrol MAGNATEC 0W-30 offers exceptional protection for your vehicle's engine, suitable for both petrol and diesel engines. It meets the ACEA C2 specifications, ensuring compatibility with various manufacturers, including Peugeot and Citroen. The innovative DUALOCK technology creates a self-healing layer that adheres to metal surfaces, safeguarding your engine even in heavy traffic. Additionally, it provides continuous protection across diverse driving conditions, helping you maintain optimal engine performance regardless of the weather or driving style.

What We Like
Self-healing protection layer
Suitable for petrol and diesel
Continuous protection in all conditions
Outstanding cold start performance
#TOP 7

Castrol EDGE 0W-20 C5 Engine Oil 1L

Castrol
Gold
Castrol EDGE 0W-20 C5 Engine Oil 1L Cover
Castrol EDGE 0W-20 C5 Engine Oil 1L, Gold

Castrol EDGE Engine Oil is designed for petrol, diesel, and hybrid vehicles, meeting the latest specifications for modern engines. By using this oil, you ensure your engine operates efficiently, helping to improve fuel economy. Its advanced formulation provides better performance under pressure, enhancing power delivery without increasing fuel consumption. As a recommended choice for leading car manufacturers, this engine oil is a reliable option for those seeking to maintain high performance in their vehicles.

What We Like
Meets modern engine specifications
Improves fuel economy
Enhances engine performance
Suitable for various vehicle types
Strong under pressure
#TOP 8

Castrol MAGNATEC 5W-30 Engine Oil 1L

Castrol
Castrol MAGNATEC 5W-30 Engine Oil 1L Cover
Castrol MAGNATEC 5W-30 A5 Engine Oil 1L

Castrol MAGNATEC Engine Oil is designed for use in both petrol and diesel engines, ensuring compatibility with a wide range of vehicles. Its DUALOCK technology creates a self-healing layer that adheres to metal surfaces, providing essential protection during busy traffic conditions. You can drive with confidence knowing that this oil offers continuous protection under various driving styles and temperatures. Additionally, it excels in extreme cold start situations, making it ideal for those chilly mornings when your engine needs that extra care.

What We Like
Compatible with various engine types
Self-healing protective layer
Continuous protection in all conditions
Excellent cold start performance
#TOP 9

Castrol GTX 5W-30 RN17 Engine Oil 1L

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White
Castrol GTX 5W-30 RN17 Engine Oil 1L Cover
Castrol GTX 5W-30 RN17 Engine Oil 1L

Castrol GTX 5W-30 Oil is an excellent choice for your engine, especially if your vehicle requires a Renault RN17 specification lubricant. It offers superior protection against engine sludge, ensuring that your engine runs smoothly and efficiently. With advanced protection against viscosity and thermal breakdown, you can trust that your oil will maintain its quality even under high temperatures. Additionally, the premium quality base oils and anti-wear additives work to extend the life of your engine, giving you peace of mind on the road.

What We Like
Renault recommended
Superior sludge protection
Advanced thermal breakdown resistance
Extends engine life
#TOP 10

Castrol EDGE 5W-40 Engine Oil for Vehicles

Castrol
White
Castrol EDGE 5W-40 Engine Oil for Vehicles Cover
Castrol EDGE 5W-40 Engine Oil 1L, White

Castrol EDGE 5W-40 is designed for both petrol and diesel vehicles, ensuring compatibility where manufacturers recommend ACEA C3 and API SN/CF lubricants. Its advanced formulation, boosted with Titanium FST, helps maintain peak performance even under pressure, making it ideal for demanding driving conditions. You can rely on this engine oil to improve engine efficiency and lower friction, resulting in maximised performance. This means your engine runs smoother and lasts longer, providing you with peace of mind on the road.

What We Like
Improves engine efficiency
Reduces friction
Suitable for various vehicles
Maintains performance under pressure
Buying Guide Image
Editor's Notes

During our Castrol car engine oil research, we found 247 Castrol car engine oil products and shortlisted 10 quality products. We collected and analyzed 156,440 customer reviews through our big data system to write the Castrol car engine oils list. We found that most customers choose Castrol car engine oils with an average price of £16.18.

The Castrol car engine oils are available for purchase. The top 10 picks range in price from a low of £6.00 to a high of £37.00, find the one that fits your budget.

Written by
Joseph Prokop Avatar

Joseph is a seasoned writer who's also passionate about automotive. His passion for automotive care and maintenance fuels his drive for more knowledge in the field. He currently resides in Middlesbrough, where he finds time to write informative contents on automotive. His automotive related articles are quite popular in journals around the world. Joseph continues to use his wealth of experience in the industry to create helpful guides on automotive.