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Prefer to text? Text PendiumCastrol · castrol.com · Scanned Apr 4, 2026
We asked ChatGPT, Claude, Gemini, and AI Overviews 9 questions a buyer would ask, with no context and as up to 2 buyer personas. Castrol was named in 57 of 103 answers. Asked about the brand directly, 11 of 11 answers described it.
AI visibility score
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Questions where AI recommends someone else
A sample of the questions buyers ask, and whether ChatGPT, Claude, Gemini, and AI Overviews named Castrol in each answer.
And 9 more questions in the full report.
Perplexity was not part of this scan.
What AI says
Where AI gets its information
Counts are pages cited from each site.
Castrol's own site
Other sites
Publications
Full report
Lack of visibility in foundational 'how-to' content, specifically regarding supplies needed for home oil changes
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