---
title: "Castrol vs Mobil: Which is searched more?"
description: "Which is more popular in search, Castrol or Mobil? Compare estimated monthly branded-search demand and Share of Search inside the Motor oil brands set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/global-en/compare/castrol-vs-mobil"
publisher: "Brandwave"
---

# Castrol vs Mobil: Which is searched more?

Which is more popular in search, Castrol or Mobil? Compare estimated monthly branded-search demand and Share of Search inside the Motor oil brands set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Compared**: Castrol and Mobil
- **Competitive set**: Motor oil brands
- **Market**: Global
- **Month measured**: Aug 2026
- **Castrol Share of Search**: 4.5%
- **Mobil Share of Search**: 61.4%

## Which is more popular in search, Castrol or Mobil?

- In August 2026, Mobil had more branded searches than Castrol among motor oil brands worldwide. Mobil was estimated to have 3.4M branded searches compared to Castrol’s 246K, and held a 61.4% Share of Search versus Castrol’s 4.5%.
- Mobil was ahead of Castrol in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Castrol’s estimated Share of Search among motor oil brands worldwide moved from 4.4% to 4.5%, and its estimated monthly branded searches held steady at 246K.
- Across the 11 months ending August 2026, Mobil’s estimated Share of Search among motor oil brands worldwide moved from 59.7% to 61.4%, and its estimated monthly branded searches held steady at 3.4M.

## How did search popularity change for motor oil brands worldwide in August 2026?

- In August 2026, Mobil lost estimated Share of Search among motor oil brands worldwide, from 63.7% to 61.4%.

## Month by month

| Month | Castrol estimated searches | Castrol Share of Search | Castrol rank | Mobil estimated searches | Mobil Share of Search | Mobil rank |
| --- | --- | --- | --- | --- | --- | --- |
| Oct 2025 | 246K | 4.4% | 4 | 3.4M | 59.7% | 1 |
| Nov 2025 | 246K | 5.1% | 4 | 2.7M | 57.1% | 1 |
| Dec 2025 | 246K | 5.3% | 4 | 2.7M | 58.9% | 1 |
| Jan 2026 | 246K | 5.1% | 4 | 2.7M | 56.9% | 1 |
| Feb 2026 | 246K | 5.9% | 4 | 2.2M | 54% | 1 |
| Mar 2026 | 246K | 4.4% | 4 | 3.4M | 59.5% | 1 |
| Apr 2026 | 246K | 5.1% | 4 | 2.7M | 56.5% | 1 |
| May 2026 | 246K | 4.5% | 4 | 3.4M | 61.4% | 1 |
| Jun 2026 | 246K | 4.7% | 4 | 3.4M | 63.7% | 1 |
| Jul 2026 | 246K | 4.7% | 4 | 3.4M | 63.7% | 1 |
| Aug 2026 | 246K | 4.5% | 4 | 3.4M | 61.4% | 1 |
| Sep 2026 | — | — | — | — | — | — |

## How each brand is measured

Brandwave collects information about searches that people make online using Castrol’s and Mobil’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

- **Castrol**: Measured on the search term “castrol”.
- **Mobil**: Measured on the search term “mobil”.

- [Castrol profile](/demand/global-en/brands/castrol)
- [Mobil profile](/demand/global-en/brands/mobil)
- [All motor oil brands worldwide](/demand/global-en/categories/motor-oil-brands): The set both shares are measured inside, 7 brands.

## Methodology

- [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Which is more popular in search, Castrol or Mobil?

In August 2026, Mobil had more branded searches than Castrol among motor oil brands worldwide. Mobil was estimated to have 3.4M branded searches compared to Castrol’s 246K, and held a 61.4% Share of Search versus Castrol’s 4.5%.

## Cite this page

Brandwave. "Castrol vs Mobil: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/castrol-vs-mobil

This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/castrol-vs-mobil. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.