---
product_id: 359864798
title: "03111 GTX High Mileage 10W-40 Synthetic Blend Motor Oil - 5 Quart"
brand: "castrol"
price: "₨3603"
currency: SCR
in_stock: true
reviews_count: 5
category: "Castrol"
url: https://www.desertcart.sc/products/359864798-03111-gtx-high-mileage-10w-40-synthetic-blend-motor-oil
store_origin: SC
region: Seychelles
---

# High mileage formula extends engine life 10W-40 viscosity for versatile engine protection 5 Quart size for long-lasting use 03111 GTX High Mileage 10W-40 Synthetic Blend Motor Oil - 5 Quart

**Brand:** castrol
**Price:** ₨3603
**Availability:** ✅ In Stock

## Summary

> 🛠️ Keep your high-mileage engine young and unstoppable!

## Quick Answers

- **What is this?** 03111 GTX High Mileage 10W-40 Synthetic Blend Motor Oil - 5 Quart by castrol
- **How much does it cost?** ₨3603 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/359864798-03111-gtx-high-mileage-10w-40-synthetic-blend-motor-oil)

## Best For

- castrol enthusiasts

## Why This Product

- Trusted castrol brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Engine Longevity Booster:** Specifically formulated to protect engines with over 75,000 miles, keeping your ride smooth and reliable.
- • **Fuel Efficiency Enhancer:** Reduces engine wear and tear, helping maintain optimal fuel economy mile after mile.
- • **Trusted by Professionals:** Backed by a 4.8-star rating from over 3,400 satisfied users who keep their engines running strong.
- • **Compact & Convenient Packaging:** Designed for easy storage and handling without compromising volume.
- • **Optimized Viscosity Performance:** 10W-40 synthetic blend ensures superior flow and protection in diverse driving conditions.

## Overview

Castrol GTX High Mileage 10W-40 Synthetic Blend Motor Oil is engineered to extend the life of engines with over 75,000 miles. Its advanced synthetic blend formula offers superior protection against wear, deposits, and oil breakdown, ensuring reliable performance and improved fuel efficiency. Packaged in a convenient 5-quart container, it’s the trusted choice for professionals and enthusiasts alike.

## Description

It is compact in terms of design, it scores high on the aspect of utility too. This is what makes it worth the buy.

Review: My Pontiac Grand Prix has 220,000 miles and I’ve been using this oil for years. She continues to run great! If I could only make all the rust dissapear… haha!
Review: Buen producto

## Features

- Comes in a good packaging
- Designed to perfection
- Compact construction
- Packed with features

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00IPS3H1I |
| Brand | Castrol |
| Customer Reviews | 4.8 4.8 out of 5 stars (3,428) |
| Date First Available | 28 October 2021 |
| Item Weight | 0.28 g |
| Item model number | 1597C2 |
| Manufacturer Part Number | 03111C |
| Product Dimensions | 21.11 x 11.58 x 32.39 cm; 0.28 g |
| Viscosity | 10w-40 |

## Product Details

- **Brand:** Castrol
- **Liquid volume:** 160 Fluid Ounces
- **Package information:** Bottle
- **Vehicle service type:** Car
- **Viscosity:** 10w-40

## Images

![03111 GTX High Mileage 10W-40 Synthetic Blend Motor Oil - 5 Quart - Image 1](https://m.media-amazon.com/images/I/61CkiFeXmVL.jpg)

## Questions & Answers

**Q: I can change the convencional motor oil for sinteric motor oil in many  next service**
A: Sure, 
should pose Zero problems, just use the manufacturer recommended grade of oil.

**Q: whats the percentage of synthetic oil in this oil?**
A: We never divulge amounts of components in our products but we would not call a product a synthetic blend without it having a performance benefit as compared to our conventional product.

**Q: Generally i use highmileage 5w-30 for my nissan sentra 2007 which has 200k miles, shall i use highmileage 10w-40 now?**
A: Look what Nissan says on weight to use and stick with it.  It is designed to use the weight as for the clearances on you motor.  Once you used the high mileage continue to use it.  The high mileage has stuff in the oil to expand some of the seal and gaskets in your motor.  Now if you go back the seals may shrink back and start to leak.  Go to youtube and look for the video on different filters and oils.  ie fram.  I had a someone tell me to get the fram off my 92 ford 5.0 mustang and watching the video on filter I could see why.  Oil is important but especially the filter.

**Q: Can you use it in a 212 predator**
A: Contact Predator to see if that oil is compatible with your boat.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***R on 3 December 2025*

My Pontiac Grand Prix has 220,000 miles and I’ve been using this oil for years. She continues to run great! If I could only make all the rust dissapear… haha!

### ⭐⭐⭐⭐ Review
*by J***M on 17 March 2025*

Buen producto

### ⭐⭐⭐⭐⭐ Review
*by L***A on 13 January 2026*

great price

## Frequently Bought Together

- Castrol GTX High Mileage 10W-40 Synthetic Blend Motor Oil, 5 Quarts
- FRAM Extra Guard PH2, 10K Mile Change Automotive Replacement Interval Spin-On Engine Oil Filter for Select Vehicle Models

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**Shop now:** [https://www.desertcart.sc/products/359864798-03111-gtx-high-mileage-10w-40-synthetic-blend-motor-oil](https://www.desertcart.sc/products/359864798-03111-gtx-high-mileage-10w-40-synthetic-blend-motor-oil)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-03-17*