Advertising Disclosure Castrol 5w 30 Engine Oil Comparison - July 2025
7 Best Castrol 5w 30 Engine Oil In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Advertising Disclosure
| 1 Best Choice  9.8Exceptional | 2  9.7Exceptional | 3  9.6Exceptional | 4 Best Value  9.5Excellent | 5  9.4Excellent | 6  9.2Excellent | 7  9.1Excellent |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelCastrol EDGE 5W-30 M Engine Oil 5L | Model Castrol MAGNATEC 5W-30 C3 Engine Oil 4L | Model Castrol EDGE 5W-30 LL Engine Oil 4L | Model Castrol MAGNATEC 5W-30 A5 Engine Oil 5L | Model Castrol MAGNATEC 5W-30 C2 Engine Oil 1L | Model Castrol GTX 5W-30 C4 Engine Oil 4L | Model Castrol EDGE 5W-30 C3 Engine Oil 1L |
BrandCastrol | Brand Castrol | Brand Castrol | Brand Castrol | Brand Castrol | Brand Castrol | Brand Castrol |
Reviews | Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews |
Tech Specs | ||||||
item weight 4.44 kg | item weight 3.54 kg | item weight 3.58 kg | item weight 4.3 kg | item weight 894 g | item weight 3.7 kg | item weight 897 g |
viscosity 5W 30 | viscosity 5W 30 | viscosity 5W 30 | viscosity 5W 30 | viscosity 5W 30 | viscosity 5W 30 | viscosity 5W 30 |
manufacturer part number 15F6DC | manufacturer part number 15F928 | manufacturer part number 15F7E5 | manufacturer part number 15F909 | manufacturer part number 15F6C8 | manufacturer part number 15F64E | manufacturer part number 15F7EF |
customer reviews4.8 4.8 out of 5 stars 3, 431 ratings 4.8 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 4, 554 ratings 4.7 out of 5 stars | customer reviews 4.8 4.8 out of 5 stars 2, 051 ratings 4.8 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 1, 553 ratings 4.7 out of 5 stars | customer reviews 4.8 4.8 out of 5 stars 1, 747 ratings 4.8 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 64 ratings 4.6 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 38 ratings 4.7 out of 5 stars |
model EDGE | model MAGNATEC | model EDGE | model MAGNATEC | model MAGNATEC | model GTX | model EDGE |
product dimensions 12.6 x 18.8 x 32 cm 4.44 kg | product dimensions - | product dimensions 12.6 x 18.8 x 27.2 cm 3.58 kg | product dimensions 12.6 x 18.8 x 32 cm 4.3 kg | product dimensions 6.56 x 9.8 x 23.9 cm 894 g | product dimensions 18.8 x 12.6 x 27.2 cm 3.7 kg | product dimensions 6.56 x 9.8 x 23.9 cm 897 g |
position Driveline | position - | position Driveline | position Driveline | position Driveline | position - | position Driveline |
Available On | Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1CastrolCastrol EDGE 5W-30 M Engine Oil 5L
Main highlights- Transforms to be strongest when the pressure is highest, protecting your engine Trusted by Hyundai, Kia, Mazda, Suzuki, Infiniti, Mercedes-Benz, Toyota, BMW, MINI Provides 1% fuel economy improvement versus Mercedes-Benz requirement Provides outstanding oil strength for today’s engines that work harder, with higher pressures than ever before
- Suitable for use in automotive gasoline and diesel vehicles where the manufacturer recommends an ACEA C3, API SN PLUS 5W-30 lubricant
- Specifications: ACEA C3 API SN PLUS BMW Longlife-04 MB-Approval 229.31/ 229.51/ 229.53
- Proven performance across a variety of driving conditions and temperatures
- Protects the engine for the entire drain interval even under extreme pressure
-
9.7
2Castrol
Castrol MAGNATEC 5W-30 C3 Engine Oil 4L
Main highlights- Suitable for ACEA/API/BMW/Fiat/Mercedes/Renault
- Specifications: ACEA C3 - API SN - BMW Longlife-04 - MB 229.31/ 226.5 - Renault RN 0700 / RN 0710
- Provides continuous protection for all driving conditions, styles and temperatures
- Delivers outstanding performance under extreme cold start up conditions
- Castrol MAGNATEC with DUALOCK technology forms a self-healing layer that clings to metal surfaces and protects your engine in busy traffic conditions
-
9.6
3Castrol
Castrol EDGE 5W-30 LL Engine Oil 4L
Why we love it
Compatible with top car brands like BMW and Porsche.
Boosts engine efficiency and performance under pressure.
Excellent value for a high-quality, trusted oil brand.
Main highlights- Suitable for ACEA/VW/BMW/Porsche/Mercedes
- Specifications: ACEA C3 - BMW - Longlife-04 - MB-Approval 229.31/ 229.51 - Porsche C30 - VW 504 00/ 507 00
- Independently proven to improve engine efficiency
- Castrol EDGE lowers friction and maximises engine performance
- Castrol EDGE boosted with Titanium FST sustains maximum performance even when under pressure
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
Consumer Reviews
We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
