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5 Best Automotive Motor Oils of 2026

Last Updated - 16/05/2026

1
Best Choice
30% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Castrol
30% Off

Castrol EDGE 5W-30 LL Engine Oil 5L

Castrol

£42.99

£61.43
(30% Off)

More Details
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
£42.99
£61.43 (30% Off)
2
Best Value
37% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Castrol
37% Off

Castrol EDGE 5W-30 LL Engine Oil 5L

Castrol

£38.69

£61.43
(37% Off)

More Details
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
£38.69
£61.43 (37% Off)
3
22% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Castrol
22% Off

Castrol EDGE 5W-30 LL Engine Oil 1L

Castrol

£13.49

£17.35
(22% Off)

More Details
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
£13.49
£17.35 (22% Off)
4
30% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Castrol
30% Off

Castrol EDGE 5W-30 LL Engine Oil 1L

Castrol

£12.14

£17.35
(30% Off)

More Details
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
£12.14
£17.35 (30% Off)
5
29% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Castrol
29% Off

Castrol EDGE 5W-30 LL Engine Oil 4L

Castrol

£34.99

£49.15
(29% Off)

More Details
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
£34.99
£49.15 (29% Off)

5 Best Automotive Motor Oils of 2026

Castrol EDGE 5W-30 LL Engine Oil 5L

Castrol EDGE 5W-30 LL Engine Oil 5L

Castrol EDGE 5W-30 LL Engine Oil 1L

Castrol EDGE 5W-30 LL Engine Oil 1L

Castrol EDGE 5W-30 LL Engine Oil 4L

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