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Engine Oil Brands Comparison - April 2026

7 Best Engine Oil Brands In the UK

1
Best Choice
9.8Exceptional
2
9.5Excellent
3
Best Value
9.4Excellent
4
9.3Excellent
5
9.0Excellent
6
8.9Very Good
7
8.8Very Good
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Model

Castrol EDGE 5W-30 LL Engine Oil 1L
Model
Castrol EDGE 5W-40 Engine Oil 4L
Model
Castrol EDGE 5W-30 LL Engine Oil 1L
Model
Castrol EDGE 5W-30 LL Engine Oil 4L
Model
Castrol EDGE 5W-40 Engine Oil 4L
Model
Castrol EDGE 5W-30 LL Engine Oil 4L
Model
Mannol 5 Litre Energy 5W-30 Engine Oil A3/B4 Universal Synthetic Ester Technology

Brand

Castrol
Brand
Castrol
Brand
Castrol
Brand
Castrol
Brand
Castrol
Brand
Castrol
Brand
MANNOL

Reviews

47,450 reviews
Reviews
6,032 reviews
Reviews
47,450 reviews
Reviews
3,290 reviews
Reviews
6,032 reviews
Reviews
3,290 reviews
Reviews
7,258 reviews

Features

Worth the money

9.1
Worth the money
9.1
Worth the money
9.1
Worth the money
9.9
Worth the money
9.1
Worth the money
9.9
Worth the money
9.9

Materials quality

9.8
Materials quality
9.9
Materials quality
9.8
Materials quality
9.8
Materials quality
9.9
Materials quality
9.8
Materials quality
9.6

Tech Specs

item weight

‎896 g
item weight
‎3.57 kg
item weight
‎896 g
item weight
‎3.58 kg
item weight
‎3.57 kg
item weight
‎3.58 kg
item weight
-

viscosity

‎5W 30 sae_grade
viscosity
‎5W40 sae_grade
viscosity
‎5W 30 sae_grade
viscosity
‎5W-30 sae_grade
viscosity
‎5W40 sae_grade
viscosity
‎5W-30 sae_grade
viscosity
-

manufacturer part number

‎15F7DA
manufacturer part number
‎15F7D6
manufacturer part number
‎15F7DA
manufacturer part number
‎15F7E5
manufacturer part number
‎15F7D6
manufacturer part number
‎15F7E5
manufacturer part number
-

model

‎EDGE
model
‎EDGE
model
‎EDGE
model
‎EDGE
model
‎EDGE
model
‎EDGE
model
-

product dimensions

‎6.56 x 9.8 x 23.9 cm; 896 g
product dimensions
‎12.6 x 18.8 x 27.2 cm; 3.57 kg
product dimensions
‎6.56 x 9.8 x 23.9 cm; 896 g
product dimensions
‎12.6 x 18.8 x 27.2 cm; 3.58 kg
product dimensions
‎12.6 x 18.8 x 27.2 cm; 3.57 kg
product dimensions
‎12.6 x 18.8 x 27.2 cm; 3.58 kg
product dimensions
-

position

‎Driveline
position
‎Driveline
position
‎Driveline
position
‎Driveline
position
‎Driveline
position
‎Driveline
position
-

oem part number

‎0
oem part number
-
oem part number
‎0
oem part number
‎5W 30, SAE Grade
oem part number
-
oem part number
‎5W 30, SAE Grade
oem part number
-

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
    1
    Castrol
    38% Off

    Castrol EDGE 5W-30 LL Engine Oil 1L

    9.8 materials Quality
    9.1 worth the money

    Why we love it

    Compatible with multiple car brands and models.
    Improves engine efficiency and performance.
    Good value for money and convenient delivery.
  • 9.5
    2
    Castrol
    37% Off

    Castrol EDGE 5W-40 Engine Oil 4L

    9.9 materials Quality
    9.1 worth the money

    Why we love it

    Boosts engine performance even under pressure.
    Improves engine efficiency, proven independently.
    Compatible with many high-end car brands.
  • 9.4
    3
    Castrol
    45% Off

    Castrol EDGE 5W-30 LL Engine Oil 1L

    9.8 materials Quality
    9.1 worth the money

    Why we love it

    Compatible with multiple car brands and models.
    Improves engine efficiency and performance.
    Good value for money and convenient delivery.

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.
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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.
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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.
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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.