June 16

Castrol Edge vs Mobil 1 – Which Oil Is Best for Your Engine

Fluids

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Choosing the right synthetic oil for your car goes a long way to ensure that it remains in good running condition at all times while enhancing overall performance. But this can be a daunting task, especially when you consider the large number of synthetic oil brands flooding the market. 

Surely you’ll want to trust a reputable company that has been in the industry for years when it comes to looking after your car. Two such companies are Castrol and Mobil.  

These companies produce Castrol Edge and Mobil 1 synthetic oils and both these products are high-quality products and any vehicle manufacturer would readily recommend them to you. But given a choice between the two, which one would you rather go for?

In this post, we pit the Castrol Edge vs Mobil 1 to determine which one is best for your car!

Types of Motor Oil

The type of motor oil refers to the primary ingredients used in the manufacturing process of the oil. Technically, full synthetic oils are considered to be “pure” petroleum, although they undergo a series of changes that make them no longer to be considered “true” petroleum products.

Generally, there are three main types of motor oils and this is based on their petroleum content. Oils that consist of just one petroleum base are said to be conventional motor oils whereas full synthetics don’t have true petroleum products. 

Synthetic blends are those that feature a mixture of two types that doesn’t necessarily have to be in the ratio of 1:1. Usually, this will vary from one brand to another. 

Mobil tends to use more synthetic products on the blends and the same can be said about Castrol. Let us now consider the three common motor oil types in the market:

Full Synthetics

Full synthetic oil has grown in popularity to become the most common type of motor oil for car owners, and there are very good reasons for this. Compared to conventional and synthetic blends, full synthetic oil takes the day in almost every aspect of performance .

The one thing that you may say is dragging down full synthetic oil when compared to conventional and synthetic oil is compatibility; it can only be used in new cars and may not work for the older models. But thanks to improving synthetic oil technology, this is also gradually becoming a distant memory. Nevertheless, comparing the full synthetic oil types between Mobil and Castrol , Mobil has the upper hand as they focus mostly on this product. 

Engine Oil Bottles

Synthetic Blends

A synthetic blend is simply a combination of ingredients from conventional, as well as synthetic motor oils. This oil allows outdated engines to work well, while still providing better use compared to pure and conventional motor oil. 

This is one niche that would be very wide open but thanks to Castrol superiority when it comes to conventional motor oils, they can dominate the market with better synthetic oil blends. There is no stark difference in this category as far as the two brands are concerned, so choosing between them may well be a toss-up!

Conventional

Conventional motor oil is not as popular as it used to be; in fact, less of this oil is sold to consumers today. Regardless, it remains useful for older engines that requires conventional motor oil. It has retained some measure of relevance because some engines will only work with conventional oil once they reach a certain age.

This oil is manufactured using “pure” petroleum products, as well as additives that a company chooses to use. While it is often price-friendly, it’s not good at offering long-term lubrication.  

Benefits of Synthetic Oil

Before we get into comparing Castrol Edge vs Mobil 1, it is important to understand why synthetic oil is preferred by many motorists and why it performs better than other types of motor engine oils. For one, synthetic oil is not affected by cold weather and continues to flow smoothly even in the winter season.

It is also highly resistant when it comes to viscosity breakdown and provides enhanced resistance to thermal breakdown, oxidation, and even oil sludge problems. Also, if you’re environmentally conscious, synthetic oil will be your best bet as it produces the least amount of emissions.  

Another area where synthetic oil shines is your budget; it offers better oil and fuel economy!

Castrol Edge vs Mobil 1- Overview

Castrol Edge

Castrol is one of the top brands to consider when you want to buy a high-performance synthetic oil without blowing your budget. This is why many car owners love this product today. 

The Castrol Edge full synthetic oil brand has been designed to improve your vehicle’s overall performance and is head and shoulders above its siblings such as Castrol GTX in a number of aspects. 

With Castrol Edge, you get superior protection against wear and tear, which serves to keep the engine in top shape down the line while cutting down maintenance costs. 

However, what gives it an edge over other superior brands like Mobil 1 is that it’s been augmented with titanium particles. This does a great job of limiting the wear and tear but also proves crucial in terms of deposit control protection and friction reduction. 

Castrol Edge has been engineered for use on most American and European car models, meaning you can expect it to be a nice fit for your car irrespective of the make and model. Compared to Mobil 1, it is also the more affordable option and this will greatly reduce your car maintenance costs!

The last thing to note is that although Castrol Edge is very common in online stores, it can be a challenge to find in physical stores sometimes. But this is typical for most high-quality oil brands, so it shouldn’t give you sleepless nights!

Mobil 1 engine oil bottles on the shelf

Mobil 1

Mobil is a reputable company that has been around for generations and millions of motorists around the world depend on their oil products to maintain the smooth running of their vehicles. Mobil 1 is arguably their most famous synthetic oil offering yet due its ability to maintain top performance even when the weather conditions get extreme. 

Mobil 1 uses an advanced full synthetic formulation to provide extended engine life while preventing sludge and mineral deposits. This is surely on of the best synthetic oils in the market for engine lubrication.

In addition to offering exceptional lubrication, Mobil 1 is formulated to offer maximum protection against wear and tear. The oil continues flowing smoothly in cold weather, so you shouldn’t have any problems starting your vehicle. 

Another aspect of this oil is that it meets and exceeds Dexos standards, which confirms that this oil is a superior product designed to deliver the best performance possible. 

Despite being a little pricier than brands like Castrol Edge, Mobil 1 still offers great value for money considering the premium quality and the benefit for your car engine. 

Castrol Edge vs Mobil 1- Detailed Comparison

The best part of being in a dilemma of choosing between Castrol Edge and Mobil 1 is that both these products are high-performance products with premium quality. This, nevertheless, shouldn’t let you take this decision for granted. 

Below, we compare various aspects of the two and try to pick a winner in each category to make your decision much easier and more informed:

Brand

When contemplating between these two high-quality synthetic oils, we looked at the manufacturers of these oils.

Castrol Edge

Castrol Edge is produced by Castrol, a company that has existed since the 19th century. Currently, it is a subsidiary of BP and remains popular for the motor oils they manufacture. Castrol offers an array of products, including lubricant oils meant for the aeronautical space market. 

Apart from Castrol Edge, you’ll get other popular oil brands such as Castrol Ultraclean and Castrol GTX.

Mobil 1

Mobil 1 is produced by Mobil, which has also remained in the picture for at least a century now. So, you can expect to benefit from the immense experience that the company offers through its motor oil products. 

In its formative years, following the break-up of  Standard Oil,  the Standard Oil Company of New York was founded, along with 33 other successor companies. In 1920, the company registered the name "Mobiloil" as a trademark. In 1998, Mobil and Exxon agreed on a merger to create Exxon Mobil.

Overall, Mobil holds a sizable share of the motor oil market, although, in the recent past, the company has been focusing more on the high-end segment of the market. You might want to know that the brand was larger than it is today!

No clear winner here!

Type

The similarities between Castrol Edge and Mobil 1 are probably the reason why it makes it so hard for automobile owners to choose between them as both are full-synthetic oils. 

The two come with an advanced full synthetic formulation, meaning they have a high viscosity, as well as additional benefits like low-temperature fluidity, good thermal and oxidative stability, and wider compatibility. 

Given that both Castrol Edge and Mobil 1 are premium quality brands that meet and exceed Dexos standards, you are guaranteed that these are the highest quality of synthetic oils in the market. 

So, no brand has an edge over the other as far as this category is concerned. 

Key Technologies

There’s always that single feature that would make a premium quality product stand out from the rest! This can be said for both Castrol Edge and Mobil 1. Both employ key technologies to get an advantage over competitors in the market.

For Castrol Edge, the company uses Titanium Technologies as its main selling point, and this is what makes it such a popular brand in the market. The technology serves to guarantee maximum engine performance, which is achieved by altering the oil’s behavior when under pressure. 

On the other hand, Mobil 1 doesn’t seem to integrate any special technology apart from the full-synthetic performance. Nevertheless, this synthetic oil has been engineered to provide excellent performance under low-temperature conditions, which makes it the ideal choice for colder regions. 

Both have impressive technologies!

Best For

Both these two brands are general-purpose motor oils that can be used in almost any make of vehicle. However, each comes to its own under unique situations and different types of vehicles. 

For instance, Castrol Edge is a great choice for high-performance vehicles. This is why you’ll see it being used in racing cars thanks to the titanium technology applied. The technology offers enhanced strengths against breakdown compared to other oils in the industry. 

Meanwhile, Mobil 1 works well with most modern brands of vehicles, including trucks and SUVs. The formulation of the oil further makes it the ideal option for vehicles driven in colder environments given that it allows for a quick engine start in cold weather. 

Mobil 1 takes the day!

Price

While these two synthetic oils are considered to be premium-quality, they are still within reach for many motorists as far as price is concerned. Typically, a 5-quart container will go for less than $30 for both brands. 

Having said that, Castrol Edge is the cheaper of the two options and retails for around $10 less than Mobil 1. However, this will also depend on where you are buying the oils. Either way, you can rest assured that you’ll be getting a great bang for the buck!

We give it to Castrol Edge just for its cheaper price!


Castrol Edge vs Mobil 1 Pros and Cons

Castrol Edge

Pros

  • Enriched with titanium technology 
  • More affordable option
  • Long-lasting performance
  • Enhanced wear and tear protection
  • Compatible with both European and American vehicle models

Cons

  • Not always easy to find in physical stores

Mobil 1

Pros

  • Full-synthetic formulation
  • Best performance in cold temperatures
  • Potent cleaning action
  • Meets and exceeds Dexos standards
  • Good engine protection
  • Cons

    • A little pricier

    Castrol Edge vs Mobil 1 Comparison Table


    Castrol Edge

    Mobil 1

    Brand

    Castrol

    Mobil

    Type

    Full Synthetic

    Full Synthetic

    Key Technologies

    Fluid Titanium Technology

    Excellent cold temperature performance

    Best For

    High-performance vehicles such as racing cars

    All Kinds of modern vehicles and for cold weather

    Price

    $22

    $31

    Final Verdict

    From the review above, Mobil and Castrol are both excellent companies that offer great products within their brands’ lineups. That said, their oils are not equal by any measure of the word but instead they are better suited for different tasks. 

    If you own an older model car engine or looking to extend its life and efficiency, Castrol Edge would likely be the better choice. It also offers a smooth driving experience for high-performance cars.

    On the other hand, if you’re serious about the health of your car and want to get better performance from it, Mobil is the clear victor and it is also preferred when driving your car in cold regions.

    Ultimately, it’s a win-win for you!

    3 empty bottles for engine oil

    FAQ

    Is Castrol Better than Mobil 1?

    Both Castrol and Mobil are high-quality manufacturers with a respected footprint in the motor oil industry. Their synthetic oil brands of Castrol Edge and Mobil are the most sought-after products in the market because of the superior performance they offer. 

    However, when it comes to performance preservation, Mobil maintains dominance over Castrol Edge. Elsewhere, for engines that run on conventional oil, the magnatec additives in Castrol make it the better choice for the consumer-grade market. Overall, Mobil tends to offer better preserving qualities compared to Castrol. 

    Is Castrol EDGE Good Oil?

    When it comes to Castrol oil products, Castrol Edge is among the company's best offering for the market. The synthetic formulation of the oil allows it to offer superior performance to car engines. 

    It offers multipurpose use and works well with both European and American car models, but what distances Castrol Edge from other products is its proprietary Titanium Technology. The titanium additives are said to deliver excellent protection against wear and tear while maintaining unrivalled levels of performance for 15, 000 miles after an oil change.

    This is what makes Castrol Edge the perfect oil for high-stress driving environments and high-performance applications such as in race cars. It further maximizes engine response by limiting the accumulation of engine deposits. 

    Which is Better Castrol Edge or Magnatec?

    The technology used in Castrol Edge is different from that used in Castrol GTX Magnatec. The two oil brands feature different additive systems. GTX Magnatec contains intelligent molecules that hang on critical engine parts the same way a magnet does, helping to offer an additional protective layer from the very start throughout the warm-up period.

    On the other hand, Castrol Edge uses more advanced technology that features fluid titanium to offer superior wear and tear protection. You get a better level of high-temperature protection, viscosity stability, as well as anti-wear performance. 

    So, Yes! Castrol Edge is the premium product line!

    Which Synthetic Oil is the Best?

    There are numerous synthetic oil brands in the market and choosing the best one can prove to be a daunting task. While many factors will influence your decision, Mobil 1 and Castrol Edge are the best synthetic oil brands in the market.

    But aside from those, which other synthetic oils are good in the market. Let us look at other go-to brands in the market :

    • Valvoline MaxLife High Mileage Motor Oil
    • Liqui Moly Premium Synthetic Motor Oil
    • Shell Rotella T6 Full Synthetic Heavy Duty Engine Oil
    • Lucas Oil Synthetic High-Performance Motor Oil
    • Red Line Synthetic Motor Oil

    About the author 

    James Ruhle

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