








🛢️ Drive smarter, not harder — Castrol GTX keeps your engine elite.
Castrol GTX 5W-30 A5/B5 Engine Oil is a premium synthetic blend designed to provide superior sludge protection, thermal stability, and wear resistance. Certified to ACEA A5/B5 and API SL standards, it ensures optimal engine performance and longevity, especially suited for gasoline and diesel engines requiring 5W-30 viscosity. Trusted by professionals and enthusiasts alike, this 1L bottle delivers reliable, high-quality lubrication for modern driving demands.





| ASIN | B0CV5T9DLZ |
| Best Sellers Rank | 3,307 in Automotive ( See Top 100 in Automotive ) 79 in Car Engine Oils |
| Brand | Castrol |
| Customer Reviews | 4.8 4.8 out of 5 stars (121) |
| Date First Available | 7 Feb. 2024 |
| Item Weight | 910 g |
| Item model number | 15F6F1 |
| Manufacturer | Castrol |
| Manufacturer part number | 15F6F1 |
| Model | Castrol GTX 5W-30 A5/B5 |
| Product Dimensions | 6.5 x 9.5 x 24 cm; 910 g |
| Viscosity | 5W 30 |
B**E
Good stuff
One of the best oils out there. Engine runs well. This is worth buying
M**C
Good price for a trustworthy product
I prefer Magnatec, but it's becoming increasingly more expensive and difficult to find a deal. GTX is still a trusted and good performer, and definitely worth the money if you keep to service intervals. I avoid cheap engine oils like the plague, as they've never proven to come close to top brands, regardless of the oil spec printed on the bottle. Those who know, know the benefits of genuine brand engine oil 😉
N**N
Good value
Very good value for money
C**E
Good for your engine
Quality brand
P**Y
Good price
It's oil, it's a good make, it's a good price..... Buy it, it's a good buy 👍
M**P
E
Good stuff
L**K
Ford focus 1.6 tdci 2014
I have used this oil first time, usually i use Castrol, MAGNETIC 5W30, A5. I feel the engine is quite responsive and light. ( Flushing was done before using ) it is summer season, the true result is to see in winter,
M**1
Liquid Engineering
Liquid engineering as the advert used to say. Great quality oil at brilliant price, great for topping my car engine up.
Trustpilot
1 month ago
2 weeks ago