Advertising Disclosure Car Engine Oils Comparison - June 2025
7 Best Car Engine Oils 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  9.9Exceptional | 2  9.7Exceptional | 3 Best Value  9.6Exceptional | 4  9.5Excellent | 5  9.4Excellent | 6  9.3Excellent | 7  9.2Excellent |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelCastrol MAGNATEC 5W-40 C3 Engine Oil 5L | Model Mannol 5 Liter Longlife 504/507 5W-30 Engine Oil C3 Universal Fully Synthetic | Model Castrol MAGNATEC 5W-30 A5 Engine Oil 5L | Model Castrol MAGNATEC 0W-30 C2 Engine Oil 4L | Model Mannol 5 Litre Energy 5W-30 Engine Oil 7908 API SN/CH-4 ACEA C2 Premium Synthetic Ester Technology | Model Castrol EDGE 5W-30 LL Engine Oil 1L | Model Mannol 5 Litre Legend Extra 0W-30 Engine Oil 7919 API SP ACEA C2 Universal Bi-Synthetic PAO And Ester Technology |
BrandCastrol | Brand MANNOL | Brand Castrol | Brand Castrol | Brand MANNOL | Brand Castrol | Brand MANNOL |
Reviews | Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews |
Features | ||||||
Worth the money 9.8 | Worth the money 9.9 | Worth the money 9.8 | Worth the money 9.4 | Worth the money 9.9 | Worth the money 9.3 | Worth the money 9.1 |
Tech Specs | ||||||
item weight 4.43 kg | item weight 4.41 kg | item weight 4.3 kg | item weight 3.56 kg | item weight 4.42 kg | item weight 896 g | item weight 4.41 kg |
viscosity 5W 40 | viscosity 5W-30 | viscosity 5W 30 | viscosity 0W 30 | viscosity 5W-30 | viscosity 5W 30 | viscosity 0W-30 |
manufacturer part number 15F625 | manufacturer part number MN7715-5 | manufacturer part number 15F909 | manufacturer part number 15F6BE | manufacturer part number MN7908-5 | manufacturer part number 15F7DA | manufacturer part number MN7919-5 |
customer reviews4.8 4.8 out of 5 stars 2, 273 ratings 4.8 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 1, 820 ratings 4.7 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 772 ratings 4.8 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 1, 553 ratings 4.6 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 271 ratings 4.7 out of 5 stars |
model MAGNATEC | model Longlife | model MAGNATEC | model MAGNATEC | model Energy Premium | model EDGE | model Legend Extra |
product dimensions 12.6 x 18.8 x 32 cm 4.43 kg | product dimensions 13 x 24 x 30 cm 4.41 kg | product dimensions 12.6 x 18.8 x 32 cm 4.3 kg | product dimensions - | product dimensions 18 x 15 x 28 cm 4.42 kg | product dimensions 6.56 x 9.8 x 23.9 cm 896 g | product dimensions 9 x 10 x 12 cm 4.41 kg |
position Driveline | position - | position Driveline | position - | position - | position Driveline | position - |
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
9.9
1Castrol34% OffCastrol MAGNATEC 5W-40 C3 Engine Oil 5L
9.8 worth the moneyMain highlights- Suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA C3, API SN or earlier specification 5W-40 lubricant.
- Specifications: ACEA C3 API SN Meets - Fiat 9.55535-S2 BMW Longlife-04 MB-Approval 229.31 Renault RN 0700 / RN 0710
- Offer non-stop protection from every start
- Bond to metal surfaces to make engine parts more resistant to wear
- Are combined with synthetic technology to provide increased protection in high and low temperature applications
-
9.6
3Castrol46% Off
Castrol MAGNATEC 5W-30 A5 Engine Oil 5L
9.8 worth the moneyMain highlights- combining patented DUALOCK molecule technology with Castrol’s most efficient full synthetic base oils. Forms a powerful force-field of wear protection
- Suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA A1/B1, A5/B5, API SN, ILSAC GF-5 or earlier specification 5W-30 lubricant
- Specifications: ACEA A1/B1, A5/B5 - API SN - ILSAC GF-5 - Meets - Ford WSS-M2C913-C/ WSS-M2C913-D
- Provides superior performance under extreme cold start up conditions
- Proven to reduce wear in stop-start situations- remove this statement
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.
