Advertising Disclosure Castrol Gtx 10w 40 Comparison - July 2025
7 Best Castrol Gtx 10w 40 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.
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| 1 Best Choice  9.7Exceptional | 2 Best Value  9.6Exceptional | 3  9.4Excellent | 4  9.2Excellent | 5  9.1Excellent | 6  9.0Excellent | 7  8.9Very Good |
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ModelCastrol MAGNATEC 10W-40 A/B Engine Oil 4L | Model Castrol GTX 10W-40 A3/B4 Engine Oil 5L | Model Castrol GTX Ultraclean 10W-40 A3/B4 Engine Oil 4L | Model Castrol POWER1 4T 10W-40 Motorcycle Oil 1L | Model Castrol GTX 10W-40 A3/B4 Engine Oil 4L | Model Castrol GTX ULTRACLEAN 10W-40 A/B Engine Oil 4L | Model Castrol GTX 10W-40 A3/B4 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 | ||||||
viscosity 10W 40 | viscosity 10W 40 | viscosity 10W-40 | viscosity - | viscosity 10W 40 | viscosity 10W 40 | viscosity 10W 40 |
product dimensions 18.8 x 12.6 x 27.2 cm 3.64 kg | product dimensions 12.6 x 18.8 x 32 cm 4.39 kg | product dimensions 11.5 x 26 x 26 cm 3.62 kg | product dimensions - | product dimensions 12.6 x 18.8 x 27.2 cm 3.63 kg | product dimensions 11.5 x 26 x 26 cm 3.62 kg | product dimensions 6.56 x 9.8 x 23.9 cm 911 g |
manufacturer part number 15F7CE | manufacturer part number 15F8FC | manufacturer part number 15A4D3 | manufacturer part number - | manufacturer part number 15F8FD | manufacturer part number 15F091 | manufacturer part number 15F8FE |
item weight 3.64 kg | item weight 4.39 kg | item weight 3.62 kg | item weight - | item weight 3.63 kg | item weight 3.62 kg | item weight 911 g |
customer reviews4.7 4.7 out of 5 stars 111 ratings 4.7 out of 5 stars | customer reviews 4.8 4.8 out of 5 stars 86 ratings 4.8 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 1, 838 ratings 4.7 out of 5 stars | customer reviews - | customer reviews 4.9 4.9 out of 5 stars 13 ratings 4.9 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 39 ratings 4.5 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 43 ratings 4.5 out of 5 stars |
model MAGNATEC | model GTX | model - | model - | model GTX | model GTX ULTRACLEAN 10W40 AB 4L | model GTX |
position- | position Driveline | position - | position - | 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
9.7
1CastrolCastrol MAGNATEC 10W-40 A/B Engine Oil 4L
Main highlights- Suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA A3/B4, API SP 10W-40 lubricant
- Specifications: ACEA A3/B4 API SP Meets - Fiat 9.55535-D2 MB-Approval 229.3 VW 501 01/ 505 00
- Dramatically reduce both warm-up2 and stop-start3 wear by 50%
- Deliver unique patented protection designed specifically for modern driving
- Castrol MAGNATEC 10W-40 A/B is suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA A3/B4, API SP 10W-40 lubricant.
-
9.6
2Castrol
Castrol GTX 10W-40 A3/B4 Engine Oil 5L
Main highlights- Suitable for API SP, Meets - Fiat 9.55535-D2, MB-Approval 229.3, VW 501 01/ 505 00
- Specifications: ACEA A3/B4 API SP Meets Fiat 9.55535-D2 / 9.55535-G2 MB-Approval 226.5/ 229.3 Renault RN 0700 / RN 0710 VW 501 01/ 505 00
-
9.4
3
CastrolCastrol GTX Ultraclean 10W-40 A3/B4 Engine Oil 4L
Why we love it
Superior Synthetic Technology
Eliminates Existing Sludge
Protects Engine from Future Sludge
Main highlights- Synthetic technology
- Protects the engine from future sludge
- GTX- the worlds most popular oil
- Breaks down and cleans away existing sludge
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.
