Partmaster vs Supercheap Auto:Which is more popular?
In September 2026, Supercheap Auto had more branded searches than Partmaster among automotive parts retailers in New Zealand. Supercheap Auto had about 72,700 branded searches, while Partmaster had 5,400. Supercheap Auto made up 34.7% of all automotive parts retailer searches we track, and Partmaster accounted for 2.6%. When we asked ChatGPT and Google AI Overviews about automotive parts retailers, Supercheap Auto appeared in four of the five answers and Partmaster in one. Supercheap Auto was mentioned before Partmaster in every answer that named either.
Who do people search for more?
Supercheap Auto, about 13 searches for every 1 for Partmaster
Who does AI mention more?
Supercheap Auto, mentioned in 4 of 5 answers, Partmaster in 1
Who does AI recommend more?
Supercheap Auto, named ahead of Partmaster in 4 of 4 answers
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Top automotive parts retailers in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Supercheap Auto was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Partmaster was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Supercheap Auto was listed before Partmaster in every answer that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Repco1st- Supercheap Auto2nd
BNT3rd
NAPA Auto Parts4th- Partmaster5th
AutoOne–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Repco5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Supercheap Auto4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- BNT3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- NAPA Auto Parts2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Partmaster1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- AutoOne0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about automotive parts retailers
5 answers
Asked ChatGPT
“Which automotive parts retailer should I shop at in New Zealand?”
Asked ChatGPT
“What are the best automotive parts retailers in New Zealand?”
Asked ChatGPT
“What's the best automotive parts retailer in New Zealand for car parts?”
Searched Google, AI Overview
“automotive parts nz”
Searched Google, AI Overview
“car parts nz”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 19, 2026.
Is Partmaster or Supercheap Auto more popular in search?
This chart shows how often people search Google for Partmaster and Supercheap Auto by name. Each line represents a brand's share of searches for all six automotive parts retailers we track, month by month, from searches in New Zealand.
Share of searches by month for Supercheap Auto, Partmaster. The figures are in the table below the chart.
View monthly share of searches table
| Month | Repco | Supercheap Auto | BNT | Partmaster | NAPA Auto Parts | AutoOne |
|---|---|---|---|---|---|---|
| Oct 2025 | 47% | 43.4% | 7% | 1.9% | 0.66% | 0.07% |
| Nov 2025 | 46.6% | 44.2% | 6.4% | 1.9% | 0.83% | 0.06% |
| Dec 2025 | 47.9% | 44.4% | 5.4% | 1.6% | 0.7% | 0.06% |
| Jan 2026 | 46.8% | 43.2% | 7% | 1.9% | 1% | 0.07% |
| Feb 2026 | 46.4% | 43.2% | 6.9% | 2.3% | 1% | 0.09% |
| Mar 2026 | 46% | 42.8% | 7.8% | 2.3% | 1% | 0.09% |
| Apr 2026 | 46.7% | 43.5% | 7% | 1.9% | 0.81% | 0.06% |
| May 2026 | 53.4% | 35.2% | 8% | 2.6% | 0.77% | 0.08% |
| Jun 2026 | 52% | 35.6% | 8.8% | 2.6% | 0.9% | 0.08% |
| Jul 2026 | 53.3% | 35.1% | 8% | 2.6% | 0.92% | 0.08% |
| Aug 2026 | 52.5% | 34.6% | 8.9% | 2.6% | 1.4% | 0.08% |
| Sep 2026 | 52.6% | 34.7% | 8.9% | 2.6% | 1.1% | 0.08% |
How has the Partmaster and Supercheap Auto comparison changed over the last 12 months?
3 findings
- Supercheap Auto was ahead of Partmaster in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Partmaster’s share of searches among automotive parts retailers in New Zealand moved from 1.9% to 2.6%, and its estimated monthly branded searches held steady at 5.4K.
- Across the 12 months ending September 2026, Supercheap Auto’s share of searches among automotive parts retailers in New Zealand moved from 43.4% to 34.7%, and its estimated monthly branded searches moved from 125K to 72.7K.
How did search popularity change for New Zealand automotive parts retailers in September 2026?
1 change
Estimated monthly branded searches for Supercheap Auto in New Zealand fell 41.8% over 12 measured months, from 125K to 72.7K in September 2026.
How are branded searches counted?
5 search terms
Brandwave collects information about searches that people make online using Partmaster’s and Supercheap Auto’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.
Partmaster
1 branded search term
- partmaster
Supercheap Auto
4 branded search terms
- Supercheap Auto
- supercheap auto car accessories
- supercheap auto car parts
- supercheap auto nz
Other head-to-heads among automotive parts retailers
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