Castrol vs Nulon:Which is more popular by branded search in New Zealand?
In August 2026, Castrol had more branded searches than Nulon among motor oil brands in New Zealand. Castrol was estimated to have 4.8K branded searches compared to Nulon’s 710, and held a 33.7% Share of Search versus Nulon’s 5%.
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Which is more popular in search, Castrol or Nulon?
Compare the engine oil brands New Zealand drivers and workshops use. 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.
Share of Search by month for Castrol, Nulon. The figures are in the table below the chart.
View monthly share of search table
| Month | Penrite | Castrol | Valvoline | Mobil 1 | Nulon | Shell Helix |
|---|---|---|---|---|---|---|
| Oct 2025 | 47.1% | 31.1% | 10.3% | 4.9% | 5.8% | 0.77% |
| Nov 2025 | 41.2% | 34.9% | 11.7% | 5.8% | 5.3% | 1.1% |
| Dec 2025 | 43.7% | 34.3% | 11.2% | 5.1% | 4.5% | 1.2% |
| Jan 2026 | 42.5% | 34.2% | 11.5% | 4.9% | 5.4% | 1.5% |
| Feb 2026 | 40.6% | 33.1% | 12.7% | 7.9% | 4.5% | 1.1% |
| Mar 2026 | 37.5% | 34.5% | 12.3% | 11% | 3.5% | 1.2% |
| Apr 2026 | 44.8% | 29.8% | 11.6% | 9.8% | 3.2% | 0.96% |
| May 2026 | 37.1% | 30.9% | 10.7% | 16.2% | 4.2% | 0.94% |
| Jun 2026 | 35.1% | 32.4% | 10.6% | 17.5% | 3.3% | 0.98% |
| Jul 2026 | 39.6% | 32.3% | 10.7% | 11.2% | 5.2% | 0.98% |
| Aug 2026 | 43% | 33.7% | 10.2% | 7.1% | 5% | 1.1% |
| Sep 2026 | — | — | — | — | — | — |
How has the Castrol and Nulon comparison changed over the last 12 months?
3 findings
- Castrol was ahead of Nulon 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 in New Zealand moved from 31.1% to 33.7%, and its estimated monthly branded searches moved from 4K to 4.8K.
- Across the 11 months ending August 2026, Nulon’s estimated Share of Search among motor oil brands in New Zealand moved from 5.8% to 5%, and its estimated monthly branded searches moved from 760 to 710.
How did search popularity change for New Zealand motor oil brands in August 2026?
1 change
In August 2026, Castrol gained estimated Share of Search among motor oil brands in New Zealand, from 32.3% to 33.7%.
How each brand is measured
Brandwave collects information about searches that people make online using Castrol’s and Nulon’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
21 branded search terms
- castrol
- castrol 0 20w
- castrol 10w40
- castrol 5w30
- castrol 5w40
- castrol com
- castrol edge
- castrol edge 5 40
- castrol edge 5w30
- castrol edge engine oil 5w 30
- castrol edge motor oil
- castrol engine oil
- castrol magnatec 10w40
- castrol magnatec 5w30
- castrol motor oil
- castrol motor oil 5w30
- castrol near me
- castrol new zealand
- castrol nz
- castrol oil
- castrol online
Nulon
11 branded search terms
- coolant nulon
- nulon
- nulon 5w30
- nulon com au
- nulon diesel injector cleaner
- nulon full synthetic 5w 30
- nulon injector cleaner
- nulon motor oil
- nulon near me
- nulon nz
- nulon oil
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.