Advertising Disclosure Castrol 5w 30 Fully Synthetic Engine Oil 5 Ltr Comparison - April 2026
7 Best Castrol 5w 30 Fully Synthetic Engine Oil 5 Ltr 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. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
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| 1 Best Choice  9.9Exceptional | 2 9.8Exceptional | 3  9.7Exceptional | 4 Best Value 9.6Exceptional | 5  9.5Excellent | 6 9.4Excellent | 7  9.3Excellent |
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ModelCastrol EDGE 5W-30 LL Engine Oil 5L | Model Castrol EDGE 5W-30 LL Engine Oil 5L | Model Castrol MAGNATEC 5W-30 C3 Engine Oil 5L | Model Castrol MAGNATEC 5W-30 C3 Engine Oil 5L | Model Castrol MAGNATEC 5W-30 A5 Engine Oil 5L | Model Castrol MAGNATEC 5W-30 A5 Engine Oil 5L | Model Castrol EDGE 5W-30 LL Engine Oil 4L |
BrandCastrol | Brand Castrol | Brand Castrol | Brand Castrol | Brand Castrol | Brand Castrol | Brand Castrol |
Reviews | Reviews | Reviews | Reviews | Reviews  | Reviews | Reviews |
Tech Specs | ||||||
product dimensions 12.6 x 18.8 x 32 cm 4.45 kg | product dimensions 12.6 x 18.8 x 32 cm 4.45 kg | product dimensions 12.6 x 18.8 x 32 cm 4.43 kg | product dimensions 12.6 x 18.8 x 32 cm 4.43 kg | product dimensions 12.6 x 18.8 x 32 cm 4.3 kg | product dimensions 12.6 x 18.8 x 32 cm 4.3 kg | product dimensions 12.6 x 18.8 x 27.2 cm; 3.58 kg |
item weight 4.45 kg | item weight 4.45 kg | item weight 4.43 kg | item weight 4.43 kg | item weight 4.3 kg | item weight 4.3 kg | item weight 3.58 kg |
viscosity 5W 30 | viscosity 5W 30 | viscosity 5W 30 | viscosity 5W 30 | viscosity 5W 30 | viscosity 5W 30 | viscosity 5W-30 sae_grade |
manufacturer part number 15F7E7 | manufacturer part number 15F7E7 | manufacturer part number 15F927 | manufacturer part number 15F927 | manufacturer part number 15F909 | manufacturer part number 15F909 | manufacturer part number 15F7E5 |
model EDGE | model EDGE | model MAGNATEC | model MAGNATEC | model MAGNATEC | model MAGNATEC | model EDGE |
position Driveline | position Driveline | position Driveline | position Driveline | position Driveline | position Driveline | 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
9.9
1Castrol30% OffCastrol EDGE 5W-30 LL Engine Oil 5L
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
- Recommended by world-leading car manufacturers
- Protects the engine for the entire drain interval even under extreme pressure
- Castrol EDGE lowers friction and maximises engine performance
-
9.8
2Castrol37% Off
Castrol EDGE 5W-30 LL Engine Oil 5L
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
- Recommended by world-leading car manufacturers
- Protects the engine for the entire drain interval even under extreme pressure
- Castrol EDGE lowers friction and maximises engine performance
-
9.7
3Castrol38% Off
Castrol MAGNATEC 5W-30 C3 Engine Oil 5L
Main highlights- Suitable for ACEA C3, API SN, BMW Longlife-04, Meets Fiat 9.55535-S3, MB 226.5/229.31, Renault RN 0700/RN 0710
- Specifications: ACEA C3 API SN BMW Longlife-04 Meets Fiat 9.55535-S3 MB-Approval 226.5/ 229.31/ 229.51 Renault RN 0700 / RN 0710
- Provides superior performance under extreme cold start up conditions
- Proven to reduce wear in stop-start situations- remove this statement
- Forms a self-healing layer to protect at each of the critical stages of driving and beyond
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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.
